SUPERSONIC FLOW EXPERIMENTAL RESULTS


Photograph of test section with shock holding plate and downstream choking flap. Flow direction is from left to right.

Schematic drawing of test section (all dimensions are given in mm).

Photograph of facility components with camera and other devices employed for Schlieren flow visualizations.

Test Photograph of inlet duct, supersonic nozzle, test section, and exhaust plenum.

Test section pressure variations with time for Test – Date 02-16-2017 Time 15-41.

Test section inlet Mach number variation with time for Test – Date 02-16-2017 Time 15-41.


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.


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.

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. 

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.

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