Boundary layer suction for high-speed air intakes: A review

Author:

Sepahi-Younsi Javad1ORCID,Forouzi Feshalami Behzad1,Maadi Seyed Reza1,Soltani Mohammad Reza2

Affiliation:

1. Mechanical Engineering Department, Faculty of Engineering, Ferdowsi University of Mashhad, Mashad, Iran

2. Department of Aerospace Engineering, Sharif University of Technology, Tehran, Iran

Abstract

The paper summarizes recent developments in boundary layer suction for high-speed air intakes. Bleed has been efficiently used in supersonic and hypersonic intakes for three primary reasons: to improve the performance of the intake, to reduce the starting Mach number of the intake, and to postpone the onset of buzz oscillations. A bleed system has many characteristics such as the bleed entrance and exit areas, bleed entrance slant angle and position, and bleed type (slot or porous and ram-scoop or flush). Each of these parameters has significant impacts on the intake performance and stability that have been reviewed in this study. In addition, the effectiveness of other flow control methods has been compared with the bleed method.

Funder

Ferdowsi University of Mashhad

Publisher

SAGE Publications

Subject

Mechanical Engineering,Aerospace Engineering

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