Journal of Propulsion and Power, Volume (32), No (5), Year (2016-6) , Pages (1153-1166)

Title : ( Effects of Bleed Position on the Stability of a Supersonic Inlet )

Authors: Mohammad Reza Soltani , Abbas Daliri , Javad Sepahi-Younsi , Mohammad Farahani ,

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Effects of various boundary-layer bleed locations on the stability of an axisymmetric supersonic inlet has been investigated experimentally. The bleeds were located on the inlet compression cone and were designed to improve the stability margin of the inlet. The main objective of the study was to identify the boundary-layer bleed location and its effects on the improvement of stability margin of inlet. In addition, a buzz precursor detection methodology based on the RMS level has been introduced. Experiments have been carried out on a mixed-compression inlet with a design Mach number of 2.0 and three different bleed locations at three freestream Mach numbers of 1.8, 2.0 and 2.2. All tests were conducted at an angle of attack of zero degrees. The results show that based on the individual design of inlet, a location can be found that the spilled normal shock stands at this location and consequently separation starts at the buzz onset. If the bleed slot is located in this place the subcritical performance and stability margin of the inlet can be enhanced.


, supersonic inlet, bleed position, stability
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author = {Mohammad Reza Soltani and Abbas Daliri and Sepahi-Younsi, Javad and Mohammad Farahani},
title = {Effects of Bleed Position on the Stability of a Supersonic Inlet},
journal = {Journal of Propulsion and Power},
year = {2016},
volume = {32},
number = {5},
month = {June},
issn = {0748-4658},
pages = {1153--1166},
numpages = {13},
keywords = {supersonic inlet; bleed position; stability},


%0 Journal Article
%T Effects of Bleed Position on the Stability of a Supersonic Inlet
%A Mohammad Reza Soltani
%A Abbas Daliri
%A Sepahi-Younsi, Javad
%A Mohammad Farahani
%J Journal of Propulsion and Power
%@ 0748-4658
%D 2016