Photograph of test section with shock wave holding plate and downstream choking flap. Flow direction is from right to left. Test section 3.

Photograph of facility components with camera and other devices employed for shadowgraph flow visualizations. Test section 3.

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 shadowgraph image for Test 2018-04-05 at 15-11. Recorded at 10,000 frames per second. Downstream choking flap oriented at 3.92 degrees.  Test section inlet Mach number is 1.54.

Test section 3.

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.