RESEARCH AREAS
– Dimple Array on Surfaces of Channels
– Investigations of Confined, Millimeter-Scale, Unsteady Laminar Impinging Slot Jets
– Aerodynamic Losses and Mixing Losses from Turbine Airfoils
– Impingement Cooling
– Internal Cooling – Surface Heat Transfer Augmentation
– Miniature and Micro-Scale Pumps
– Surface Roughness
– Electronics Cooling
– Transitional Flows in Curved Channels
– Film Cooling
– Flow and Heat Transfer on and Near a Transonic Turbine Blade Tip
– Slip Phenomina in Micro-Fluidic Devices
– Buoyancy-Driven Continuous SPLITT Fractionation: A New Technique for Separation of Microspheres
– Investigations of Full-Coverage Film Cooling
– Shock Wave Boundary Layer Interactions
– Double Wall Cooling
– Elastic Turbulence
– Surface Roughness Effects on Impingement Jet Array Surface Heat Transfer
– Dean Flow Dynamics in Low-Aspect Ratio Spiral Microchannels
Shock Wave Boundary Layer Interactions
Photograph of test section with shock holding plate and downstream choking flap. Flow direction is from left to right. Test section 1.
Schematic drawing of test section (all dimensions are given in mm). Test section 1.
Photograph of facility components with camera and other devices employed for Schlieren flow visualizations. Test section 1.
Test Photograph of inlet duct, supersonic nozzle, test section, and exhaust plenum. Test section 1.
Test section pressure variations with time for Test – Date 02-16-2017 Time 15-41. Test section 1.
Test section inlet Mach number variation with time for Test – Date 02-16-2017 Time 15-41. Test section 1.
Still photograph of Schlieren image for Test 2017-02-21 at 15-33 at 4 seconds after testing begins. Recorded at 200 fps. Total Test Time 15 sec. Startup Transient 0-2 sec. Established 2-9 sec. Ending Transient 9-15 sec. Downstream choking flap oriented at 1.5 degrees. Test section inlet Mach number is 1.54.
Test section 1.
Still photograph of Schlieren image for Test 2017-02-24 at 18-12 at 5 seconds after testing begins. Recorded at 200 fps. Total Test Time 15 sec. Startup Transient 0-3 sec. Established 3-9 sec. Ending Transient 9-15 sec. Downstream choking flap oriented at 3.7 degrees. Test section inlet Mach number is 1.54.
Test section 1.
Digital video sequence of Schlieren images. Recorded at 200 fps. Test section inlet Mach number is 1.54. Test 2017-02-21 at 15-33. Downstream choking flap oriented at 1.5 degrees. Test section 1.
Digital video sequence of Schlieren images. Recorded at 200 fps. Test section inlet Mach number is 1.54. Test 2017-02-24 at 18-12. Downstream choking flap oriented at 3.7 degrees. Test section 1.
Digital video sequence of shadowgraph images. Recorded at 500 fps. Test section inlet Mach number is 1.54. Test 2017-12-05 at 11-03. Downstream choking flap oriented at 3.7 degrees. Test section 2 with new shock wave holding plate and new top wall designs.