SUPERSONIC FLOW EXPERIMENTAL RESULTS


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 15-41Test 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.

Photograph of test section with shock holding plate and downstream choking flap. Flow direction is from right to left. Test section 2 with new shock wave holding plate and new top wall designs.
Schematic drawing of test section (all dimensions are given in mm). Flow direction is from left to right. Test section 2 with new shock wave holding plate and new top wall designs.
Still photograph of shadowgraph image 3037 for Test 2017-11-16 at 15-11. Recorded at 500 fps. Downstream choking flap oriented at 3.7 degrees. Test section inlet Mach number is 1.54. Test section 2 with new shock wave holding plate and new top wall designs.

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.

Copyright Trademarks Ligrani Research Group 2009