Abstract
The role of stagnation temperature on the determination of the screech frequency of an underexpanded jet is examined using experimental data and the theoretical analysis of Tarn. It is shown that the prediction formula developed by Tarn for the screech frequency agrees well with the experimental data at different nozzle pressure ratios and temperature ratios. The directivity of the screech tone at high temperatures reveals that the screech amplitude is most significant only in the forward arc. An inviscid stability analysis is carried out to identify the role of the temperature on the growth of two and three- dimensional disturbances in shear layers that are representative of screeching jets.
| Original language | English (US) |
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| Title of host publication | 34th Aerospace Sciences Meeting and Exhibit |
| Publisher | American Institute of Aeronautics and Astronautics Inc, AIAA |
| State | Published - Jan 1 1996 |
| Event | 34th Aerospace Sciences Meeting and Exhibit, 1996 - Reno, United States Duration: Jan 15 1996 → Jan 18 1996 |
Other
| Other | 34th Aerospace Sciences Meeting and Exhibit, 1996 |
|---|---|
| Country/Territory | United States |
| City | Reno |
| Period | 1/15/96 → 1/18/96 |