SCHOLARLY ACTIVITIES

– Archival Journal Publications
– Chapters of Books
– Conference Publications and Presentations
– Editorships
– International Scientific Committee Memberships
– Institution Publications
– Recent Lectures, Including Invited Lectures
– US and International Patents

CONFERENCE PUBLICATIONS AND PRESENTATIONS

1977

  1. Artificially Thickening a Turbulent Boundary Layer (P. M. Ligrani and R. J. Moffat), Thermosciences Sponsors and Affiliates Conference, Thermosciences Division, Department of Mechanical Engineering, Stanford University, Stanford, Ca., January 29, 1977.

1978

  1. Effect of Roughness on Turbulent Boundary Layer Heat Transfer (P. M. Ligrani, R. J. Moffat and W. M. Kays), Thermosciences Sponsors and Affiliates Conference, Thermosciences Division, Department of Mechanical Engineering, Stanford University, Stanford, Ca., January 31, 1978.

1980

  1. A Hot-Wire Probe for Measurement of Flow Near the Surface of a Compressor Blade (P. M. Ligrani, B. R. Gyles and F. A. E. Breugelmans), Euromech Conference No. 132, Hot-Wire, Hot-Film Anemometry and Conditional Measurements, Ecole Centrale de Lyon, Ecully, France, July 2-4, 1980.

1981

  1. Turbine Blade Cooling Research at the von Karman Institute for Fluid Dynamics (P. M. Ligrani and F. A. E. Breugelmans), Paper 36, Fifth International Symposium on Air Breathing Engines, Bangalore, India, February 16-22, 1981.
  2. Hot-Wire Thermal-Tuft Development for Measurement of Flow Reversal Near a Compressor Blade (B. R. Gyles and P. M. Ligrani), von Karman Institute Lecture Series 1981-09, Measurement Techniques in Turbomachines, von Karman Institute for Fluid Dynamics, Rhode-St-Genese, Belgium, May 18-22, 1981.

1982

  1. Rotating Stall Measurements in the Vaneless Diffuser of a Radial Flow Compressor (P. M. Ligrani, R. van den Braembussche and M. Roustan), ASME Paper 82-GT-257, ASME 27th International Gas Turbine and Aeroengine Congress and Exposition, London, England, April 18-22, 1982.
  2. Artificially Thickened Turbulent Boundary Layers for Studying Heat Transfer and Skin Friction on Rough Surfaces (P. M. Ligrani, R. J. Moffat and W. M. Kays), ASME 103rd Winter Annual Meeting, Phoenix, Az., November 14-19, 1982.

1983

  1. Introduction to Turbulent Shear Flows (P. M. Ligrani), von Karman Institute Lecture Series 1983-03, Turbulent Shear Flows, von Karman Institute for Fluid Dynamics, Rhode-St-Genese, Belgium, February 28-March 4, 1983.

1985

  1. Subminiature Hot-Wire Sensors and Resolution of Small-Scale Turbulence (P. M. Ligrani and P. Bradshaw), Open Forum, Fifth Symposium on Turbulent Shear Flows, Cornell University, Ithaca, N. Y., August 7-9, 1985.

1988

  1. Effects of Embedded Vortices on Film-Cooled Turbulent Boundary Layers (P. M. Ligrani, A. Ortiz, S. L. Joseph and D. L. Evans), Paper 88-GT-170, ASME 33rd International Gas Turbine and Aeroengine Congress and Exposition, Amsterdam, The Netherlands, June 5-9, 1988.
  2. Development and Structure of Dean Vortices in a Curved Channel with 40:1 Aspect Ratio (P. M. Ligrani, L. R. Baun and B. A. Singer), Paper EG7, American Physical Society, Division of Fluid Dynamics, Forty-First Annual Meeting, Buffalo, N. Y., November 19-21, 1988.

1989

  1. Effects of an Embedded Vortex on Injectant from a Single Film Cooling Hole in a Turbulent Boundary Layer (P. M. Ligrani and W. W. Williams), Paper 89-GT-189, ASME 34th International Gas Turbine and Aeroengine Congress and Exposition, Toronto, Canada, June 4-8, 1989.
  2. Interactions Between a Turbulent Embedded Vortex and a Turbulent Wall Jet (C. S. Subramanian, P. M. Ligrani and J. G. Green), Paper T-6, Open Forum, Seventh Symposium on Turbulent Shear Flows, Stanford University, Stanford, Ca., August 21-23, 1989.
  3. Development and Structure of Dean Vortices in a Curved Channel with 40:1 Aspect Ratio (P. M. Ligrani, L. R. Baun, J. M. Longest and C. S. Subramanian), Paper HA4, American Physical Society, Division of Fluid Dynamics, Forty-Second Annual Meeting, NASA-Ames, Moffett Field, Ca., November 19-21, 1989.
  4. Interaction Between a Longitudinal Embedded Vortex and a Wall Jet in a Turbulent Boundary Layer (C. S. Subramanian, P. M. Ligrani and J. G. Green), Paper FC5, American Physical Society, Division of Fluid Dynamics, Forty-Second Annual Meeting, NASA-Ames, Moffett Field, Ca., November 19-21, 1989.
  5. Effects of Bulk Flow Unsteadiness on Laminar/Turbulent Transition in a Straight Channel (T. M. Coumes, F. J. Greco, P. M. Ligrani and C. S. Subramanian), Paper HA5, American Physical Society, Division of Fluid Dynamics, Forty-Second Annual Meeting, NASA-Ames, Moffett Field, Ca., November 19-21, 1989.

1990

  1. Development and Structure of a Film-Cooling Jet in a Turbulent Boundary Layer with Heat Transfer (C. S. Subramanian, P. M. Ligrani, J. G. Green, and W. D. Doner), Third International Symposium on Transport Phenomena and Dynamics of Rotating Machinery (ISROMAC-3), Volume 1: Transport Phenomena, pp. 49-64, Honolulu, Hi., April 1-4, 1990.
  2. Development and Structure of Dean Vortices in a Curved Rectangular Channel with 40 to 1 Aspect Ratio for Dean numbers Less Than 200 (P. M. Ligrani, L. R. Baun, J. M. Longest, and W. A. Fields), EUROMECH 261, First Symposium on Goertler Vortex Flows, University of Nantes, Nantes, France, June 10-12, 1990.
  3. Effects of Vortices with Different Circulations on Heat Transfer and Injectant Downstream of a Single Film-Cooling Hole in a Turbulent Boundary Layer (P. M. Ligrani, C. S. Subramanian, D. W. Craig and P. Kaisuwan), Paper 90-GT-45, ASME 35th International Gas Turbine and Aeroengine Congress and Exposition, Brussels, Belgium, June 11-14, 1990.
  4. Appearance, Disappearance and Spanwise Wavenumber Selection of Dean Vortex Pairs in a Curved Rectangular Channel (P. M. Ligrani and J. E. Longest), Paper CK1, American Physical Society, Division of Fluid Dynamics, Forty-Third Annual Meeting, Cornell University, Ithica, N.Y., November 18-20, 1990.
  5. Experimental Observation of the Center Mode of Instability During Laminar/Turbulent Transition in Plane Poiseuille Flow (C. S. Subramanian, P. M. Ligrani and H. E. Koth), Paper CK4, American Physical Society, Division of Fluid Dynamics, Forty-Third Annual Meeting, Cornell University, Ithaca, N.Y., November 18-20, 1990.

1991

  1. Transient, Oscillatory and Steady Characteristics of Dean Vortex Pairs in a Curved Rectangular Channel (P. M. Ligrani), 7th Taylor-Couette Workshop: Ordered and Turbulent Patterns in Taylor-Couette Flow, NATO Advanced Research Workshop, Ohio State University, Columbus, Ohio, May 22-24, 1991.
  2. Experimental Observations of Laminar/Turbulent Transition in Plane Poiseuille Flow (P. M. Ligrani, C. S. Subramanian, D. S. Morrow, and B. J. Smith), Paper BI5, American Physical Society, Division of Fluid Dynamics, Forty-Fourth Annual Meeting, Arizona State University, Scottsdale, Ariz., November 24-26, 1991.
  3. Heat Transfer, Adiabatic Effectiveness and Injectant Distributions Downstream of a Single Row and Two Staggered Rows of Compound Angle Film-Cooling Holes (P. M. Ligrani, S. Ciriello and D. T. Bishop), HTD-Vol. 188, Heat Transfer in Gas Turbine Engines, ASME 1991, pp. 37-51, ASME Winter Annual Meeting, Atlanta, Georgia, December 1-6, 1991.

1992

  1. Interactions Between Different Strength Vortices and Injectant Downstream of Film-Cooling Holes in a Turbulent Boundary Layer (P. M. Ligrani), Fourth International Symposium on Transport Phenomena and Dynamics of Rotating Machinery (ISROMAC-4), Volume B, pp. 322-331, Honolulu, Hi., April 5-8, 1992.
  2. Interactions Between Embedded Vortices and Injectant From Film Cooling Holes With Compound Angle Orientations in a Turbulent Boundary Layer (P. M. Ligrani and S. W. Mitchell), Paper 92-GT-199, ASME 37th International Gas Turbine and Aeroengine Congress and Exposition, Cologne, Germany, June 1-4, 1992.
  3. Structural Events Observed During Laminar/Turbulent Transition in Plane Poiseuille Flow (P. M. Ligrani and C. S. Subramanian), Paper HG7, American Physical Society, Division of Fluid Dynamics, Forty-Fifth Annual Meeting, Florida State University, Tallahassee, Florida, November 22-24, 1992.
  4. Effects of a Turbulent Embedded Vortex on a Wall Jet (C. S. Subramanian, and P. M. Ligrani), Paper GD5, American Physical Society, Division of Fluid Dynamics, Forty-Fifth Annual Meeting, Florida State University, Tallahassee, Florida, November 22-24, 1992.

1993

  1. A Study of Nusselt Number Distributions in a Curved Channel at Low Dean Numbers (P. M. Ligrani), NATO Advanced Research Workshop, 8th Couette-Taylor Meeting, Spatio-Temporal Properties of Centrifugal Instabilities, Institut Non Lineaire de Nice, Nice, France, March 29-31, 1993.
  2. Effects of Embedded Vortices on Injectant From Film Cooling Holes With Large Spanwise Spacing and Compound Angle Orientations in a Turbulent Boundary Layer (P. M. Ligrani and S. W. Mitchell), Paper 93-GT-211, ASME 38th International Gas Turbine and Aeroengine Congress and Exposition, Cincinnati, Ohio, May 24-27, 1993.
  3. Film-Cooling From Holes with Compound Angle Orientations (P. M. Ligrani), Second Colloquium on Turbomachinery, TPMRC-Turbo and Power Machinery Research Center, Seoul National University, Seoul, Korea, June 27 – July 2, 1993.

1994

  1. Comparison of Film Cooling Performance Downstream of Compound Angle and Simple Angle Holes (P. M. Ligrani), Fifth International Symposium on Transport Phenomena and Dynamics of Rotating Machinery (ISROMAC-5), Volume A, pp. 486-499, Kaanapali, Maui, Hawaii, May 8-11, 1994.

1995

  1. Film Cooling From Spanwise Oriented Holes in Two Staggered Rows (P. M. Ligrani and A. E. Ramsey), Paper 95-GT-39, ASME 40th International Gas Turbine and Aeroengine Congress and Exposition, Houston, Texas, June 5-8, 1995.
  2. Bulk Flow Pulsations and Film Cooling: Flow Structure Just Downstream of the Holes (P. M. Ligrani, J. M. Cuthrell, and R. Gong), Paper 95-GT-44, ASME 40th International Gas Turbine and Aeroengine Congress and Exposition, Houston, Texas, June 5-8, 1995.
  3. Effects of Dean Vortex Pairs and Transition to Turbulence on Surface Heat Transfer in a Curved Channel (P. M. Ligrani and C. R. Hedlund), 9th Couette-Taylor Workshop, University of Colorado, Boulder, Colorado, August 7-10, 1995.

1996

  1. Effects of Bulk Flow Pulsations on Injectant Behavior and Film Cooling Effectiveness (J. S. Lee, R. Gong, J. M. Cuthrell, and P. M. Ligrani), Second European Thermal Sciences and 14th UIT National Heat Transfer Conference, Rome, Italy, May 29-31, 1996.

1997

  1. Investigations of Transonic Film Cooling (P. M. Ligrani), Advanced Gas Turbines Systems Research (AGTSR) Second Heat Transfer Workshop, Isle of Palms, South Carolina, February 12-14, 1997.
  2. Flow Phenomena in Swirl Chambers (P. M. Ligrani, C. R. Hedlund, R. Thambu, B. T. Babinchak, H-K. Moon, and B. Glezer), Paper 97-GT-530, ASME 42nd International Gas Turbine and Aeroengine Congress and Exposition, Orlando, Florida, June 2-5, 1997.
  3. Gortler Vortex Acrobatics in a Simple Swirl Chamber (C. R. Hedlund, B. T. Babinchak, P. M. Ligrani, H. Peerhossaini, H-K. Moon, and B. Glezer), 10th Couette-Taylor Workshop, ESPCI, Paris, France, July 15-18, 1997.

1998

  1. Heat Transfer and Flow Phenomena in a Swirl Chamber Simulating Turbine Blade Internal Cooling (C. R. Hedlund, P. M. Ligrani, H.-K. Moon, B. Glezer), Paper 98-GT-466, 43rd ASME Gas Turbine and Aeroengine Technical Congress, Exposition, and Users Symposium, Stockholm, Sweden, June 2-5, 1998.
  2. Effects of Bulk Flow Pulsations on Film Cooling From Different Length Injection Holes at Different Blowing Ratios (H. J. Seo, J. S. Lee, and P. M. Ligrani), Paper 98-GT-192, 43rd ASME Gas Turbine and Aeroengine Technical Congress, Exposition, and Users Symposium, Stockholm, Sweden, June 2-5, 1998.
  3. Investigations of the Effects of Bulk Flow Pulsations on Film Cooling as Applied to Gas Turbine Engines (P. M. Ligrani, J. S. Lee, and H. J. Seo), Paper GT-7, IHTC, International Heat Transfer Congress, Kyongju, South Korea, August 23-28, 1998.

1999

  1. Local Swirl Chamber Heat Transfer and Flow Structure at Different Reynolds Numbers (C. R. Hedlund, and P. M. Ligrani), Paper 99-GT-164, 44th ASME Gas Turbine and Aeroengine Technical Congress, Exposition, and Users Symposium, Indianapolis, Indiana, June 7-10, 1999.
  2. Transonic Aerodynamic Losses Due to Turbine Airfoil, Suction Surface Film Cooling (D. J. Jackson, K. L. Lee, P. M. Ligrani, P. D. Johnson, and F. O. Soechting), Paper 99-GT-260, 44th ASME Gas Turbine and Aeroengine Technical Congress, Exposition, and Users Symposium, Indianapolis, Indiana, June 7-10, 1999.

2000

  1. Local Heat Transfer and Flow Structure On and Above a Dimpled Surface in a Channel (G. I. Mahmood, M. L. Hill, D. L. Nelson, P. M. Ligrani, H.-K. Moon, and B. Glezer), Paper 2000-GT-230, 45th ASME Gas Turbine and Aeroengine Technical Congress, Exposition, and Users Symposium, Munich, Germany, May 8-11, 2000.
  2. Rotating and Stationary Rectangular Cooling Passages Heat Transfer and Friction With Turbulators and Dimples, (J. C. Han, P. M. Ligrani, H. C. Chen), Advanced Gas Turbine Systems Research, Aero-Heat Transfer Workshop IV, University of Minnesota, Minneapolis, Minnesota, October 11-13, 2000.
  3. Rotating and Stationary Heat Transfer and Friction in Rectangular Cooling Channels With Turbulators and Dimples, (J. C. Han, P. M. Ligrani, H. C. Chen), Advanced Gas Turbine Industry Meeting, U. S. Department of Energy, Alexandria, Virginia, December 4-6, 2000.

2001

  1. Experimental Validation of an Inverse Heat Conduction Problem Using Thermocouple and Infrared Data, (R. H. Smith, E. P. Scott, P. M. Ligrani), Paper AIAA 2001-0507, 39th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, January 8-11, 2001.
  2. Interactions and Influences of Different Physical Effects With Film Cooling, (P. M. Ligrani), US-Ukraine Workshop on Innovative Combustion and Aerothermal Technologies in Energy and Power Systems, Kiev, Ukraine, May 20-26, 2001.
  3. Shock Wave – Film Cooling Interactions In Transonic Flows, (P. M. Ligrani, C. Saumweber, A. Schulz, S. Wittig), Paper 2001-GT-0133, 46th ASME Gas Turbine and Aeroengine Technical Congress, Exposition, and Users Symposium, New Orleans, Louisiana, June 4-7, 2001.
  4. Effects of Bulk Flow Pulsations on Film Cooling With Compound Angle Holes: Heat Transfer Coefficient Ratio and Heat Flux Ratio, (I. S. Jung, J. S. Lee, P. M. Ligrani), Paper 2001-GT-0129, 46th ASME Gas Turbine and Aeroengine Technical Congress, Exposition, and Users Symposium, New Orleans, Louisiana, June 4-7, 2001.

2002

  1. Rotating and Stationary Rectangular Cooling Passaages – Heat Transfer and Friction With Turbulators, Pins, and Dimples, (J. C. Han, P. M. Ligrani, H. C. Chen), Turbine Power Systems Conference and Condition Monitoring Workshop, Galveston, Texas, February 25-27, 2002.
  2. Enhanced Heat Exchangers for Process Heaters, (H. Kurek, P. M. Ligrani), AIChE 2002 Spring National Meeting, American Institute of Chemical Engineers (AIChE), New Orleans, Louisiana, March 10-14, 2002.
  3. Spatially-Resolved Heat Transfer and Flow Structure in a Rectangular Channel with 45o Angled Rib Turbulators, (G. I. Mahmood, P. M. Ligrani, S. Y. Won), Paper GT-2002-30215, 47th ASME Gas Turbine and Aeroengine Technical Congress, Exposition, and Users Symposium, Amsterdam, The Netherlands, June 3-6, 2002.
  4. Rotating and Stationary Rectangular Cooling Passage Heat Transfer and Friction With Turbulators and Dimples, (J. C. Han, and P. M. Ligrani), Aero-Heat Transfer Workshop, SCIES-South Carolina Institute for Energy Studies, Baton Rouge, Louisiana, November 11-13, 2002.
  5. Nusselt Number Behavior on Deep Dimpled Surfaces Within a Channel, (N. K. Burgess, M. M. Oliveira, and P. M. Ligrani), Paper IMECE2002-32941, 2002 International Mechanical Engineering Congress and Exhibition (IMECE), New Orleans, Louisiana, November 17-22, 2002.
  6. Numerical Simulation of Flow and Heat Transfer Inside a Micro-Channel With One Dimpled Surface, (X. J. Wei, Y. K. Joshi, P. M. Ligrani), Paper IMECE2002-21633, 2002 International Mechanical Engineering Congress and Exhibition (IMECE), New Orleans, Louisiana, November 17-22, 2002.

2003

  1. Experimental Surface Heat Transfer and Flow Structure in a Curved Channel With Laminar, Transitional, and Turbulent Flows, (P. M. Ligrani, and C. R. Hedlund), Paper 2003-GT-38734, 48th ASME Gas Turbine and Aeroengine Technical Congress, Exposition, and Users Symposium, Atlanta, Georgia, June 16-19, 2003.
  2. Effects of Surface Roughness and Turbulence Intensity on the Aerodynamic Losses Produced by the Suction Surface of a Simulated Turbine Airfoil, (Q. Zhang, S. W. Lee, and P. M. Ligrani), Paper IMECE2003-41687, 2003 International Mechanical Engineering Congress and Exhibition (IMECE), Washington, D.C., November 16-21, 2003.

2004

  1. Nusselt Numbers and Flow Structure On and Above a Shallow Dimpled Surface Within a Channel Including Effects of Inlet Turbulence Intensity Level, (P. M. Ligrani, N. K. Burgess, and S. Y. Won), Paper Number GT2004-54231, 49th ASME TURBO EXPO Gas Turbine and Aeroengine Technical Congress, Exposition, and Users Symposium, Vienna, Austria, June 14-17, 2004.
  2. Effects of Dimple Depth on Nusselt Numbers and Friction Factors for Internal Cooling in a Channel, (N. K. Burgess, and P. M. Ligrani), Paper Number GT2004-54232, 49th ASME TURBO EXPO Gas Turbine and Aeroengine Technical Congress, Exposition, and Users Symposium, Vienna, Austria, June 14-17, 2004.
  3. Development and Testing of the Single-Disk and Double-Disk Viscous Micropump, (D. B. Blanchard, P. M. Ligrani, and B. K. Gale), Paper Number IMECE 2004-61705, 2004 International Mechanical Engineering Congress and Exhibition (IMECE), Anaheim, California, November 13-19, 2004.
  4. Performance and Development of a Miniature Rotating Shaft Pump (RSP), (D. B. Blanchard, P. M. Ligrani, and B. K. Gale), Paper Number IMECE 2004-61695, 2004 International Mechanical Engineering Congress and Exhibition (IMECE), Anaheim, California, November 13-19, 2004.

2005

  1. Osmotically-Driven Dispense Pump (P. M. Ligrani), ARUP Institute for Clinical and Experimental Pathology, March 23, 2005.
  2. Influence of Surface Roughness On the Aerodynamic Losses of a Turbine Vane (Q. Zhang, M. Goodro, P. M. Ligrani, R. Trindade, S. Sreekanth), Paper Number GT2005-68832, 50th ASME TURBO EXPO Gas Turbine and Aeroengine Technical Congress, Exposition, and Users Symposium, Reno, Nevada, June 6-9, 2005.
  3. Aerodynamic Losses of a Cambered Turbine Vane: Influences of Surface Roughness and Freestream Turbulence Intensity (Q. Zhang, and P. M. Ligrani), Paper Number IMECE 2005-81657, 2005 International Mechanical Engineering Congress and Exhibition (IMECE), Orlando, Florida, November 5-11, 2005.
  4. Aero Losses, Heat Transfer, and Discharge Coefficients for Different Vane Trailing Edge Configurations, UTSR Peer Review Workshop III, Madren Conference Center and Inn, Clemson University, Clemson, South Carolina, October 19-21, 2005.

2006

  1. Separate Effects of Mach Number and Reynolds Number on Jet Array Impingement Heat Transfer (J. Park, M. Goodro, P. M. Ligrani, M. Fox, and H.-K. Moon), Paper Number GT2006-90628, 51st ASME TURBO EXPO Gas Turbine and Aeroengine Technical Congress, Exposition, and Users Symposium, Barcelona, Spain May 8-11, 2006.
  2. Dimple Array Effects on Turbulent Heat Transfer and Flow Structure (P. M. Ligrani), Keynote Lecture, Fifth International Symposium on Turbulence, Heat, and Mass Transfer, Dubrovnik, Croatia, September 25-29, 2006.
  3. Oxford Rotor Group CFD – Oxford Aerodynamics and Heat Transfer UTC � Turbomachinery Laboratory (N. Atkins, G. Thomas, R. W. Ainsworth, P. M. Ligrani), Rolls-Royce CFD Annual Review, Rolls-Royce PLC, Morley, Derbyshire, United Kingdom, October 5-6, 2006.

2007

  1. Oxford Rotor Group CFD Work on Tip Flow and Heat Transfer (N. Atkins, P. M. Ligrani, R. W. Ainsworth, Q. Zhang, G. Thomas), Rolls-Royce Annual Blade Tip Cooling Forum, Rolls Royce PLC, Bristol, England, United Kingdom, February 6, 2007.
  2. Effect of Temperature Ratio on Jet Array Impingement Heat Transfer (M. Goodro, J. Park, P. M. Ligrani, M. Fox, and H.-K. Moon), Paper Number GT2007-28293, 52nd ASME TURBO EXPO Gas Turbine and Aeroengine Technical Congress, Exposition, and Users Symposium, Montreal, Canada, May 14-17, 2007.
  3. Effect of Hole Spacing on Jet Array Impingement Heat Transfer (M. Goodro, J. Park, P. M. Ligrani, M. Fox, and H.-K. Moon), Paper Number GT2007-28292, 52nd ASME TURBO EXPO Gas Turbine and Aeroengine Technical Congress, Exposition, and Users Symposium, Montreal, Canada, May 14-17, 2007.
  4. Oxford Rotor Group CFD Work (A. Wheeler, Q. Zhang, N. Atkins, G. Thomas, P. M. Ligrani, R. W. Ainsworth), Rolls-Royce CFD Annual Review, Rolls-Royce PLC, Morley, Derbyshire, United Kingdom, October 1-2, 2007.
  5. Smart Materials and Smart Structures for Aerodynamicists: Benefits, Challenges, Opportunities, Visions. Invited Lecture – Aerospace 2030 � The Role of Smart Materials, Begbroke Centre for Innovation and Enterprise, Department of Engineering Science, Oxford University, Oxford, England, United Kingdom, November 27, 2007.

2008

  1. Suction Side Gill Region Film Cooling: Effects of Hole Shape and Orientation on Adiabatic Effectiveness and Heat Transfer Coefficient (J. C. Chappell, P. M. Ligrani, S. Sreekanth, T. Lucas), Paper Number GT2008-50798, 53rd ASME TURBO EXPO Gas Turbine and Aeroengine Technical Congress, Exposition, and Users Symposium, Berlin, Germany, June 9-13, 2008.
  2. Aerodynamic Performance of Suction-Side Gill Region Film Cooling (J. C. Chappell, P. M. Ligrani, S. Sreekanth, T. Lucas, E. Vlasic), Paper Number GT2008-50799, 53rd ASME TURBO EXPO Gas Turbine and Aeroengine Technical Congress, Exposition, and Users Symposium, Berlin, Germany, June 9-13, 2008.
  3. Instabilities in Check Valve Operation in Air Systems (M. Potter, M. Bacic, P. M. Ligrani, P. Ireland, M. Plackett), Tenth NRC/ASME Symposium on Valves, Pumps, and Inservice Testing, American Society of Mechanical Engineering, Washington, D. C., U.S.A., July 14-16, 2008.
  4. Technology Trends in the Gas Turbine Industry (P. M. Ligrani), Invited Keynote Paper – 4th International Conference on the Future of Gas Turbine Technology, European Turbine Network Conference, Brussels, Belgium, November 2008.

2009

  1. Comparison of Heat Transfer Measurement Techniques on a Transonic Turbine Blade Tip (D. O’Dowd, Q. Zhang, P. M. Ligrani, L. He, S. Friedrichs), Paper Number GT2009-59376, 54th ASME TURBO EXPO Gas Turbine and Aeroengine Technical Congress, Exposition, and Users Symposium, Orlando, Florida, June 8-12, 2009.
  2. Effects of Mach Number, Reynolds Number, and Jet Spacing on Surface Heat Transfer for a Full Array of Impinging Jets (M. Goodro, P. M. Ligrani, M. Fox, H.-K. Moon), TURBINE09 – International Symposium on Heat Transfer in Gas Turbine Systems, Antalya, Turkey, August 9-14, 2009.
  3. Over-Tip Shock Wave Structure and Its Impact on Turbine Blade Tip Heat Transfer, (Q. Zhang, D. O’Dowd, P. M. Ligrani, A. P. S. Wheeler, L. He, and B. C. Y. Cheong), TURBINE09 – International Symposium on Heat Transfer in Gas Turbine Systems, Antalya, Turkey, August 9-14, 2009.

2010

  1. Aero-Thermal Performance of a Winglet at Engine Representative Mach and Reynolds Numbers (D. O. O’Dowd, Q. Zhang, L. He, M. L. G. Oldfield, P. M. Ligrani, B. C. Y. Cheong, and I. Tibbott), Paper Number GT2010-22794, TURBO EXPO 2010 – 55th ASME Gas Turbine Technical Congress and Exposition, Glasgow, Scotland, UK, June 14-18, 2010.
  2. Transonic Turbine Blade Tip Aero-Thermal Performance with Different Tip Gaps: Part I-Tip Heat Transfer (Q. Zhang, D. O. O’Dowd, L. He, M. L. G. Oldfield, and P. M. Ligrani), Paper Number GT2010-22779, TURBO EXPO 2010 – 55th ASME Gas Turbine Technical Congress and Exposition, Glasgow, Scotland, UK, June 14-18, 2010.
  3. Transonic Turbine Blade Tip Aero-Thermal Performance with Different Tip Gaps: Part II-Tip Aerodynamic Loss (D. O. O’Dowd, Q. Zhang, I. Usandizaga, L. He, and P. M. Ligrani), Paper Number GT2010-22780, TURBO EXPO 2010 – 55th ASME Gas Turbine Technical Congress and Exposition, Glasgow, Scotland, UK, June 14-18, 2010.
  4. Fluid Mechanics Research at Saint Louis University (M. McQuilling, R. LeBeau, P. M. Ligrani), Invited Lecture, Air Mobility Command (AMC) – Air Force Research Laboratory (AFRL) Symposium, Innovative Aerodynamics: Potential Solutions for Improving Mobility Efficiency, Fairview Heights, Illinois, USA, November 30, 2010.

2011

  1. Slip Due to Rarefaction, Surface Roughness, and Intermolecular Interactions for Gases and Liquids (P. M. Ligrani), ASME/JSME 2011 8th Thermal Engineering Joint Conference, AJTEC2011, Honolulu, Hawaii, USA, March 13-17,2011.
  2. New Developments in Continuous SPLITT Fractionation (P. M. Ligrani), Invited Lecture, 15th International Symposium on Field- and Flow-Based Separations (FFF2011), CASSS – International Separation Science Society, South San Francisco Conference Center, South San Francisco, California, USA, May 23-25,2011.
  3. Full-Coverage Film Cooling: Film Effectiveness and Heat Transfer Coefficients for Dense and Sparse Hole Arrays at Different Blowing Ratios (M. Goodro, P. M. Ligrani, M. Fox, and H.-K. Moon), Paper Number GT2011-45389, TURBO EXPO 2011 – 56th TURBO EXPO Turbine Technical Conference and Exposition, Vancouver, Canada, June 6-10, 2011.
  4. Aerodynamic Losses in Turbines With and Without Film Cooling (P. M. Ligrani), Invited Keynote Paper, IGTC’11 Osaka, International Gas Turbine Congress 2011 Osaka, 10th Congress in Japan, Gas Turbine Society of Japan, Osaka, Japan, November 13-18, 2011.
  5. Aerodynamic Loss Determination and Evaluation in Turbine Components (P. M. Ligrani), Invited Keynote Paper, 11th Asian International Conference on Fluid Machinery, and 3rd Fluid Power Technology Exhibition, Indian Institute of Technology, Madras, Chennai, India, November 21-23, 2011.

2012

  1. Spiral Inertial Microfluidic Devices For Continuous Blood Cell Separation (N. Nivedita, P. M. Ligrani, and I. Papautsky), Invited Paper, Paper Number 8251-26, MOEMS-MEMS Conference on Micro- and Nano-Fabricated Electromechanical and Optical Components, SPIE – International Society for Optics and Photonics, San Francico, California, USA, January 21-26, 2012.
  2. Second Law Analysis of Aerodynamic Losses: Results for a Cambered Vane With and Without Film Cooling (P. M. Ligrani, and J. S. Jin), Paper Number GT2012-70021, TURBO EXPO 2012 – 57th TURBO EXPO Turbine Technical Conference and Exposition, Copenhagen, Denmark, June 11-15, 2012.
  3. Full-Coverage Film Cooling: Film Effectiveness and Heat Transfer Coefficients For Dense Hole Arrays at Different Hole Angles, Contraction Ratios, and Blowing Ratios (M. Goodro, P. M. Ligrani, M. Fox, and H.-K. Moon), Paper Number GT2012-70014, TURBO EXPO 2012 – 57th TURBO EXPO Turbine Technical Conference and Exposition, Copenhagen, Denmark, June 11-15, 2012.
  4. Heat Transfer Augmentation Technologies for Internal Cooling of Turbine Components of Gas Turbine Engines (P. M. Ligrani), Invited Keynote Paper, Invited Expert, Fourth International Symposium on Jet Propulsion and Power Engineering, 4th ISJPPE Meeting, Northwestern Polytechnical University (NPU), Xi’an, P. R. China, September 10-12, 2012.
  5. Turbine Research at Saint Louis University (M. McQuilling, and P. M. Ligrani), Invited Lecture, Turbine Engine Technology Symposium (TETS), Dayton Convention Center, Dayton, Ohio, USA, September 10-13, 2012.
  6. New Developments in Surface Heat Transfer Augmentation Technologies as Applied to Internal Flow Environments (P. M. Ligrani), Invited Plenary Keynote Paper, ISTP-23, The 23rd International Symposium on Transport Phenomena, The University of Auckland, Auckland, New Zealand, November 19-22, 2012.

2013

  1. Effects of Jet-To-Target Plate Distance and Reynolds Number on Jet Array Impingement Heat Transfer (J. Lee, Z. Ren, J. Haegele, G. Potts, J. S. Jin, P. M. Ligrani, M. Fox, and H.-K. Moon), Paper Number GT2013-94651, TURBO EXPO 2013 – 58th TURBO EXPO Turbine Technical Conference and Exposition, San Antonio, Texas, USA, June 3-7, 2013.
  2. Full-Coverage Film Cooling: Heat Transfer Coefficients and Film Effectiveness For a Sparse Hole Array at Different Blowing Ratios and Contraction Ratios, (P. M. Ligrani, M. Goodro, M. Fox, and H.-K. Moon), Paper Number GT2013-94649, TURBO EXPO 2013 – 58th TURBO EXPO Turbine Technical Conference and Exposition, San Antonio, Texas, USA, June 3-7, 2013.
  3. Microfluidic Inertial, Continuous SPLITT, and Field-Flow Fractionation Developments for Separation of Whole Blood Components, (M. Jennerjohn, N. Nivedita, L. Carlson, P. M. Ligrani, I. Papautsky, J. Eslick, R. Sprague, and E. Bowles), 16th International Symposium on Field- and Flow-Based Separations, FFF2013 – PAU, University de Pau et des Pays de l’Adour, IPREM and Faculty of Sciences Pau, France, June 30-July 4, 2013.
  4. Recent Developments in Impingement Array Cooling, Including Consideration of the Separate Effects of Mach Number, Reynolds Number, Temperature Ratio, Hole Spacing, and Jet-to-Target Plate Distance (P. M. Ligrani), Plenary Lecture as an Invited Keynote Speaker, IWHT2013, 2nd International Workshop on Heat Transfer Advances for Energy Conservation and Pollution Control, Northwestern Polytechnical University (NPU), Xi’an, P. R. China, October 18-21, 2013.
  5. Evolution of Secondary Dean Vortices in Spiral Microchannels for Cell Separations (N. Nivedita, P. M. Ligrani, and I. Papautsky), Invited Lecture, Miniaturized Systems for Chemistry and Life Sciences MicroTAS 2013, University of Freiburg, Freiburg, Germany, October 27-31, 2013.

2014

  1. Investigation of Shock Wave – Boundary Layer Interactions in a 3.57 Aspect Ratio Wind Tunnel (S. W. Warning, M. Turlin, L. Carlson, P. M. Ligrani, and M. McQuilling), 52nd AIAA Aerospace Sciences Meeting, American Institute of Aeronautics and Astronautics, National Harbor, Maryland, USA, January 13-17, 2014.
  2. Recent Heat Transfer and Aerodynamics Research Developments For Application to Turbine Components of Gas Turbine Engines (P. M. Ligrani), Invited Lecture, Academic Forum on Gas Turbine Technology, Opening Ceremony for the Institute of Gas Turbines, Beijing Tsinghua University, Beijing, P. R. China, February 27-28, 2014.
  3. Experimental and Computational Investigations of Shock Wave – Boundary Layer Interactions in a Wide Aspect Ratio Wind Tunnel (M. McQuilling, P. M. Ligrani, S. Warning, M. Turlin, L. Carlson), 7th Annual Shock Wave Boundary Layer Interaction Workshop, Cleveland, Ohio, USA, May 6-7, 2014.
  4. Crossflows From Jet Array Impingement Cooling: Effects of Hole Array Spacing, Jet-To-Target Plate Distance, and Reynolds Number (J. Lee, Z. Ren, P. M. Ligrani, M. D. Fox, and H.-K. Moon), Paper Number GT2014-26426, ASME TURBO EXPO 2014 – 59th TURBO EXPO Turbine Technical Conference and Exposition, Dusseldorf, Germany, June 16-20, 2014.
  5. Heat Transfer Measurements From Concave and Convex Surfaces With a Fully Developed Confined Impinging Slot Jet (S. J. Kim, Y. H. Kim, H. J. Park, D. H. Lee, and P. M. Ligrani), The 15th International Heat Transfer Conference, IHTC2014, Kyoto, Japan, August 10-15, 2014.
  6. Aerodynamics Losses From Turbine Components Within Gas Turbine Engines (P. M. Ligrani, A. Fatemi, and G. Potts), Invited Keynote Paper, Fifth International Symposium on Jet Propulsion and Power Engineering, 5th ISJPPE Meeting, Beihang University, Beijing, P. R. China, September 15-19, 2014.

2015

  1. Unsteady Structure and Development of a Row of Impingement Jets, Including Shear Layer and Vortex Development, Part 1: Turbulent Jets, (L. Yang, P. M. Ligrani, J. Ren, and H. Jiang), Paper Number GT2015-43070, GT2015, ASME TURBO EXPO 2015: Turbine Technical Conference and Exposition, Montreal, Canada, June 15-19, 2015.
  2. Unsteady Structure and Development of a Row of Impingement Jets, Including Shear Layer and Vortex Development, Part 2: Laminar Jets, (L. Yang, J. Ren, H. Jiang, and P. M. Ligrani), Paper Number GT2015-43074, GT2015, ASME TURBO EXPO 2015: Turbine Technical Conference and Exposition, Montreal, Canada, June 15-19, 2015.
  3. Swirl Chambers: Flow Structure and Surface Heat Transfer (P. M. Ligrani), Invited Plenary Paper, ICHHFF5, Fifth International Conference “Heat and Mass Transfer and Hydrodynamics in Swirled Flows,” National Committee of the Russian Academy of Sciences, Kazan, Russia, October 19-21, 2015.
  4. Arrays of Surface Dimples: Flow Structure and Surface Heat Transfer (P. M. Ligrani), Invited Plenary Paper, ICTE 2015, International Conference: “IX Workshop on Thermophysics and Power Engineering for Higher Education Institutions,” Ministry of Education and Science of the Russian Federation, Kazan State Power Engineering University, Kazan, Russia, October 21-24, 2015.
  5. Elastic Turbulence Effects on the Performance of a Miniature Viscous Disk Pump (B. Lund, M. Brown, M. Jennerjohn, P. M. Ligrani, and A. Fatemi), Paper Number IMECE2015-52596, IMECE 2015, International Mechanical Engineering Congress and Exposition, Houston, Texas, USA, November 13-19, 2015.

2016

  1. Onset and Transition to Elastic Turbulence: Effects of Rheological Property Variations For Polyacrylamide-Water Solutions (B. Lund, P. M. Ligrani, and A. Fatemi), Invited Paper, 20th International Colloquium Tribology – Industrial and Automotive Lubrication, Stuttgart / Ostfildern, Germany, 12-14 January 2016.
  2. New Experimental Wind Tunnel Research Capabilities at UAH for Investigation of Shock-Wave-Boundary-Layer-Interactions (P. M. Ligrani, and K. Frendi), 9th Annual NASA/USAF Shock Wave Boundary Layer Interaction Technical Interchange Meeting, Cleveland, Ohio, USA, May 24-25, 2016.
  3. Application of Hybrid RANS-LES to Unsteady Shock-Wave Boundary Layer Interactions in the Presence of a Surface Mounted Protuberance (K. Frendi, and P. M. Ligrani), 9th Annual NASA/USAF Shock Wave Boundary Layer Interaction Technical Interchange Meeting, Cleveland, Ohio, USA, May 24-25, 2016.
  4. Influences of Target Surface Roughness on Impingement Jet Array Heat Transfer, Part 1: Effects of Roughness Pattern, Roughness Height, and Reynolds Number, (W. Buzzard, Z. Ren, P. M. Ligrani, C. Nakamata, and S. Ueguchi), Paper Number GT2016-56354, ASME TURBO EXPO 2016: Turbomachinery Technical Conference and Exposition, Seoul, South Korea, June 13-17, 2016.
  5. Influences of Target Surface Roughness on Impingement Jet Array Heat Transfer, Part 2: Effects of Roughness Shape, and Reynolds Number, (W. Buzzard, Z. Ren, P. M. Ligrani, C. Nakamata, and S. Ueguchi), Paper Number GT2016-56355, ASME TURBO EXPO 2016: Turbomachinery Technical Conference and Exposition, Seoul, South Korea, June 13-17, 2016.
  6. Effects of Double Wall Cooling Configuration and Conditions on Performance of Full Coverage Effusion Cooling, (N. Rogers, Z. Ren, W. Buzzard, B. Sweeney, N. Tinker, P. M. Ligrani, K. D. Hollingsworth, F. X. Liberatore, R. Patel, and H.-K. Moon), Paper Number GT2016-56515, ASME TURBO EXPO 2016: Turbomachinery Technical Conference and Exposition, Seoul, South Korea, June 13-17, 2016.
  7. Effect of Reynolds Number, Hole Patterns, and Hole Inclination on Cooling Performance of an Impinging Jet Array, Part 1: Convective Heat Transfer Results and Optimization (W. Li, L. Yang, X. Li, J. Ren, H. Jiang, and P. M. Ligrani), Paper Number GT2016-56205, ASME TURBO EXPO 2016: Turbomachinery Technical Conference and Exposition, Seoul, South Korea, June 13-17, 2016.
  8. Turbine Component Aerodynamic Losses Within Gas Turbine Engines (P. M. Ligrani), Invited Lecture, “China-Germany Workshop on Gas Turbine Technologies: Aerodynamics, Heat Transfer, and Combustion,” ITLR-Institute of Aerospace Thermodynamics, University of Stuttgart, Stuttgart, Germany, and Shanghai Jiao Tong University, Shanghai, P. R. China, July 18-20, 2016.
  9. Influences of Target Surface Cylindrical Roughness on Impingement Jet Array Heat Transfer: Effects of Roughness Height, Roughness Shape, and Reynolds Number, (Z. Ren, W. C. Buzzard, and P. M. Ligrani), Paper Number IMECE2016-67655, IMECE 2016: ASME International Mechanical Engineering Congress and Exposition, Phoenix, Arizona, USA, November 11-17, 2016.

2017

  1. Recent SWBLI (Shock-Wave-Boundary-Layer-Interactions) Research Activities at the University of Alabama in Huntsville (P. M. Ligrani, K. Frendi, A. Miller, D. Corey), 10th Annual NASA/USAF Shock Wave Boundary Layer Interaction Technical Interchange Meeting, Dayton, Ohio, USA, May 10-11, 2017.
  2. Internal and External Cooling of a Full Coverage Effusion Cooling Plate: Effects of Double Wall Cooling Configuration and Conditions (Z. Ren, S. R. Vanga, N. Rogers, P. M. Ligrani, K. D. Hollingsworth, F. Liberatore, R. Patel, R. Srinivasan, and Y.-H. Ho), Paper Number GT2017-64921, ASME TURBO EXPO 2017: Turbomachinery Technical Conference and Exposition, Charlotte, North Carolina, USA, June 26-30, 2017.
  3. Propulsion Research and Academic Programs at the University of Alabama in Huntsville (R. Frederick, P. M. Ligrani, and D. Thomas), Paper Number 2719094, 2017 AIAA Propulsion and Energy Forum, AIAA – American Institute of Aeronautics and Astronautics, Atlanta, Georgia, USA, July 10-12, 2017.
  4. Cylindrical Multiple Target Surface Roughness Effects On Impingement Jet Array Heat Transfer (Z. Ren, and P. M. Ligrani), Paper Number 2709111, 2017 AIAA Propulsion and Energy Forum, AIAA – American Institute of Aeronautics and Astronautics, Atlanta, Georgia, USA, July 10-12, 2017.
  5. SWBLI (Shock-Wave-Boundary-Layer-Interactions) Research at the University of Alabama in Huntsville (P. M. Ligrani, S. Marko, A. Miller, R. Petrimouix, M. Anderson), Rocket Test Group Meeting #49, Propulsion Research Center, University of Alabama in Huntsville, Huntsville, Alabama, USA, October 18, 2017.
  6. Double Wall Cooling of a Full Coverage Effusion Plate, Including Internal Impingement Array Cooling (P. M. Ligrani, Z. Ren, F. Liberatore, R. Patel, R. Srinivasan, and Y.-H. Ho), Paper Number IMECE2017-72066, IMECE 2017, ASME International Mechanical Engineering Congress and Exposition, Tampa, Florida, USA, November 3-9, 2017.
  7. Vortex Structure Effects on Impingement, Effusion, and Cross Flow Cooling of a Double Wall Configuration (P. M. Ligrani), Invited Plenary Keynote Paper, ICHHFF6, Sixth International Conference “Heat and Mass Transfer and Hydrodynamics in Swirling Flows,” National Committee of the Russian Academy of Sciences, Novosibirsk, Russian Federation, November 21-23, 2017.

2018

  1. Gas Turbine Component Heat Transfer and Cooling Research Directions (P. M. Ligrani), Panelist, “Gas Turbine Cooling and Aerodynamics” Panel, American Society of Thermal and Fluids Engineers (ASTFE) Conference, Fort Lauderdale, Florida, USA, March 4-7, 2018.
  2. Double Wall Cooling of a Full Coverage Effusion Plate With Main Flow Pressure Gradient, Including Internal Impingement Array Cooling (S. R. Vanga, Z. Ren, A. J. Click, P. M. Ligrani, F. Liberatore, R. Patel, R. Srinivasan, and Y.-H. Ho), Paper Number GT2018-77036, ASME TURBO EXPO 2018: Turbomachinery Technical Conference and Exposition, Lillestrom, Oslo, Norway, June 11-15, 2018.
  3. Double Wall Cooling of a Full Coverage Effusion Plate With Cross Flow Supply Cooling and Main Flow Pressure Gradient (C. Allgaier, Z. Ren, S. R. Vanga, P. M. Ligrani, F. Liberatore, R. Patel, R. Srinivasan, and Y.-H. Ho), Paper Number GT2018-77061, ASME TURBO EXPO 2018: Turbomachinery Technical Conference and Exposition, Lillestrom, Oslo, Norway, June 11-15, 2018.
  4. Propulsion Research and Academic Programs at the University of Alabama in Huntsville – PRC Laboratory Capabilities – 2018 (R. Frederick, P. M. Ligrani, and L. D. Thomas), Paper Number AIAA 2018-4805, 2018 AIAA Propulsion and Energy Forum and Exposition, AIAA – American Institute of Aeronautics and Astronautics, Cincinnati, Ohio, USA, July 10-12, 2018.
  5. Aerospace and Aeronautical Engineering at the University of Alabama in Huntsville (P. M. Ligrani), Plenary Lecture, 2018 ASE International Week, Forum of the Future of Aerospace Engineering, School of Aeronautic Science and Engineering (ASE), Beihang University, Beijing, P. R. China, September 12-14, 2018.
  6. Heat Transfer Enhancements From Elastic Turbulence Within Rotating Couette Flow Using Sucrose-Based Polymer Solutions (P. M. Ligrani), Plenary Lecture, ICAYS – 2018 International Conference in Aerospace for Young Scientists, School of Aeronautic Science and Engineering (ASE), Beihang University, Beijing, P. R. China, September 15-16, 2018.
  7. Investigations of Normal Shock Wave Unsteadiness (P. M. Ligrani), Invited Paper, First International Symposium on Advances in Aerodynamics, Chengdu, Sichuan Province, P. R. China, December 14-15, 2018.

2019

  1. Linear Cascade and Wind Tunnel Development for Turbine Blade Tip Heat Transfer Investigations With and Without Film Cooling (M. Sampson, A. Fairbanks, J. Moseley, P. M. Ligrani, H. Xu, and M. Fox), Paper Number GT2019-91074, ASME TURBO EXPO 2019: Turbomachinery Technical Conference and Exposition, Phoenix, Arizona, USA, June 17-21, 2019.
  2. Propulsion Research and Academic Programs at the University of Alabama in Huntsville – PRC Strategic Plan 2019 (L. D. Thomas, R. A. Frederick, and P. M. Ligrani), Paper Number AIAA 2019-3891, 2019 AIAA Propulsion and Energy Forum, AIAA – American Institute of Aeronautics and Astronautics, Indianapolis, Indiana, USA, August 19-22, 2019.
  3. Double Wall Cooling of an Effusion Plate With Cross Flow and Impingement Jet Combination Internal Cooling: Comparisons of Main Flow Contraction Ratio Effects (D. Ritchie, A. J. Click, P. M. Ligrani, F. Liberatore, R. Patel, and Y.-H. Ho), Paper Number AIAA-2019-3967, 2019 AIAA Propulsion and Energy Forum, AIAA – American Institute of Aeronautics and Astronautics, Indianapolis, Indiana, USA, August 19-22, 2019.
  4. Effects of Coolant Supply Arrangement on Double Wall Cooling: Hot-Side Effusion Performance and Cold-Side Nusselt Numbers at Different Initial Blowing Ratios (A. J. Click, D. Ritchie, P. M. Ligrani, F. Liberatore, R. Patel, and Y.-H. Ho), Paper Number AIAA 2019-3965, 2019 AIAA Propulsion and Energy Forum, AIAA – American Institute of Aeronautics and Astronautics, Indianapolis, Indiana, USA, August 19-22, 2019.
  5. Recent Research Developments for Turbine Blade Tip Heat Transfer, Including Development and Effects of Tip Leakage Vortices (H. Collopy, M. Sampson, and P. M. Ligrani), Invited Plenary Keynote Paper, HMTHSF-2019, Seventh International Conference “Heat and Mass Transfer and Hydrodynamics in Swirling Flows,” National Committee on Heat and Mass Transfer of the Russian Academy of Sciences, Rybinsk, Russian Federation, October 16-18, 2019.
  6. Academic and University Roles and Partnerships in the Development of Hypersonic Weapons (P. M. Ligrani), Invited Keynote Paper, 1st Annual Hypersonic Weapons Summit, 2019 Hypersonic Weapons Conference, IDGA – Institute for Defense and Government Advancement, Washington, D.C., USA, October 28-30, 2019.

2020

  1. Physical Phenomena Associated With Hypersonic Weapon Vehicles (P. M. Ligrani), Invited Briefing Paper, 2nd Annual Hypersonic Weapons Summit, 2020 Hypersonic Weapons Conference, IDGA – Institute for Defense and Government Advancement, Washington, D.C., USA, March 31-April 2, 2020.
  2. Physical Phenomena Associated With Hypersonic Weapon Vehicles (P. M. Ligrani), Invited Briefing Paper, Hypersonic Weapon Systems, Digital Summit, IQPC, Defense iQ, London, England, United Kingdom, June 30-July 1, 2020.
  3. Hypersonic Weapon Vehicles: Physical Effects and Phenomena (P. M. Ligrani), Invited Briefing Paper, Countermeasures Hypersonic Weapons Summit, Digital Summit, 2020 Hypersonic Weapons Conference, IDGA – Institute for Defense and Government Advancement, Washington, D.C., USA, July 23-24, 2020.
  4. Propulsion Research and Academic Programs at the University of Alabama in Huntsville – PRC Graduate Student Production History (R. A. Frederick, L. D. Thomas, and P. M. Ligrani), Paper Number AIAA 2020-3909, AIAA Propulsion and Energy 2020 Forum, AIAA – American Institute of Aeronautics and Astronautics, Virtual Event, USA, August 24-26, 2020.
  5. Louver Slot Cooling and Full-Coverage Film Cooling With a Combination Internal Coolant Supply (A. J. Click, P. M. Ligrani, M. Hockensmith, J. Knox, C. Larson, A. Fairbanks, F. Liberatore, R. Patel, and Y.-H. Ho), Paper Number GT2020-14520, ASME TURBO EXPO 2020: Turbomachinery Technical Conference and Exposition, Virtual Event, Virtual Online Conference, September 21-25, 2020.
  6. Fostering Hypersonic Innovation Through Decisive Academic Research and Collaboration (P. M. Ligrani), Invited Briefing Paper, Hypersonic Weapons Summit, Digital Summit, 2020 2nd Annual Hypersonic Weapons Conference, IDGA – Institute for Defense and Government Advancement, Washington, D.C., USA, October 28-30, 2020.
  7. R&D in Experimental Heat Transfer Diagnostics for Supersonic and Hypersonic Flow Environments (P. M. Ligrani), Invited Briefing Paper, Autonomous and Hypersonic Weapons Systems Conference, Technology Training Corporation (TTC), Washington, D.C., USA, November 4-6, 2020.

2021

  1. Propulsion Research and Academic Programs at the University of Alabama in Huntsville – 30th Anniversary Summary (R. A. Frederick, P. M. Ligrani, and L. D. Thomas), Paper Number AIAA 2021-3347, AIAA Propulsion and Energy 2021 Forum, AIAA – American Institute of Aeronautics and Astronautics, USA, Virtual Event, August 9-11, 2021.
  2. Topic AF19B-T012, Tailored Supersonic Flow Fields: Flow Shaping Technology to Enhance Test Rigs for Supersonic Inlets (M. Ostrander, S. Roth, and P. M. Ligrani), Propulsion-Airframe Integration Technical Interchange Meeting (PAI–TIM), Air Force / NASA / Industry / University Participation, Virtual Meeting, June 15-17, 2021.
  3. Recent Investigations of Transonic, Supersonic, and Hypersonic Flow Phenomena (P. M. Ligrani), Invited Keynote Paper, 4th International Conference and Expo on Aerospace and Aeronautical Engineering (ICEAAE-2021, Aerospace-2021), Valencia, Spain, Virtual Event, October 25-27, 2021.
  4. Conference Chairman, Hypersonic Defense Conference and Exhibition, Intelligence-SEC (Buckinghamshire, England, United Kingdom), Arlington, Virginia, USA, November 2-3, 2021.
  5. Surface Heat Transfer Characteristics of Transonic Turbine Blade Tip Configurations With and Without Film Cooling (P. M. Ligrani), Invited Keynote Paper, 2021 3rd International Conference on Mechanical, Aerospace and Automotive Engineering (CMAAE 2021), Sponsored by the Hong Kong Society of Robotics and Automation and the Central South University (P. R. China), Changsha, P. R. China, Online Event, December 3-5, 2021.

2022

  1. Effects of Pressure Side Film Cooling Hole Placement and Condition on Surface Heat Transfer Characteristics of a Transonic Turbine Blade Tip (P. M. Ligrani), Invited Plenary Paper, Global Experts Conference on Applied Science, Engineering and Technology (GECAET-2022), Virtual Conference and Amsterdam, Netherlands, July 28-29, 2022.
  2. Panel Member for Panel Session, “Applied Radiation Tracking for Defensive Hypersonic Weapons,” 2022 Hypersonic Weapons Summit, 4th Annual Hypersonic Weapons Summit, Institute for Defense and Government Advancement (IDGA) of the International Quality and Productivity Center (IQPC) (London, England, United Kingdom), Arlington, Virginia, USA, September 28-29, 2022.
  3. Radiation Tracking Literature Overview (P. M. Ligrani), Invited Esteemed Speaker, 2022 Hypersonic Weapons Summit, 4th Annual Hypersonic Weapons Summit, Institute for Defense and Government Advancement (IDGA) of the International Quality and Productivity Center (IQPC) (London, England, United Kingdom), Arlington, Virginia, USA, September 28-29, 2022.
  4. Conference Chairman, Hypersonic Defense Conference and Exhibition, Intelligence-SEC (Buckinghamshire, England, United Kingdom), Huntsville, Alabama, USA, November 8-9, 2022.
  5. Panel Moderator for Panel Session, “Testing and Simulation Developments for Hypersonics,” Hypersonic Defense Conference and Exhibition, Intelligence-SEC (Buckinghamshire, England, United Kingdom), Huntsville, Alabama, USA, November 8-9, 2022.
  6. Utilization of Electromagnetic Radiation for Detection, Tracking, and Characterization of Hypersonic Vehicles (P. M. Ligrani), Invited Paper, Hypersonic Defense Conference and Exhibition, Intelligence-SEC (Buckinghamshire, England, United Kingdom), Huntsville, Alabama, USA, November 8-9, 2022.

2023

  1. Effects of Dusting Film Cooling Placement and Configuration on Surface Heat Transfer Characteristics of a Transonic Turbine Squealer Blade Tip (H. Collopy, P. M. Ligrani, H. Xu, and M. Fox), Paper Number AIAA-2023-0883, 2023 AIAA Science and Technology Forum and Exposition (AIAA SciTech Forum), American Institute of Aeronautics and Astronautics, Gaylord National Harbor Hotel, National Harbor, Maryland, USA, January 23-27, 2023.
  2. Utilization of Electromagnetic Radiation for Detection, Tracking, and Characterization of Hypersonic Vehicles (P. M. Ligrani), Invited Paper, 2023 Hypersonic Weapons Summit, 5th Annual Hypersonic Weapons Summit, Institute for Defense and Government Advancement (IDGA) of the International Quality and Productivity Center (IQPC) (London, England, United Kingdom), Arlington, Virginia, USA, August 20-21, 2023.
  3. Conference Chairman, Hypersonic Defense Conference and Exhibition, Intelligence-SEC (Buckinghamshire, England, United Kingdom), Huntsville, Alabama, USA, November 7-8, 2023.
  4. Recent Investigations of Transonic, Supersonic, and Hypersonic Flow Phenomena (P. M. Ligrani), Invited Plenary Paper, Third International Forum on Aerospace and Aeronautics (AEROFORUM 2023), San Diego, California, USA, December 11-13, 2023.

2024

  1. Experimental Investigation of a Unique Upper Pressure Side Film Cooling Arrangement Supplied by Two Separate Plenums for a Transonic Squealer Turbine Blade Tip (G. Fulmer, P. M. Ligrani, H. Collopy, H. Xu, and M. Fox), Paper Number AIAA-2024-XXXX, 2024 AIAA Science and Technology Forum and Exposition (AIAA SciTech Forum), American Institute of Aeronautics and Astronautics, Hyatt Regency Orlando Hotel, Orlando, Florida, USA, January 8-12, 2024.
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