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On the performance of a body integrated diverterless supersonic inlet

机译：关于身体集成的传递超声波入口的性能

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摘要

Extensive experimental investigations on a body integrated Diverterless Supersonic Inlet (DSI) were conducted. These inlets are implemented for both supersonic flow compression and boundary layer diversion using a three-dimensional bump in combination with a suitable cowl lip. Experiments were performed at a free stream Mach number of 1.65, the design Mach number, and at zero degrees angle of attack and zero degrees sideslip angle. To recreate the operational conditions more accurately and have a realistic performance characteristic, the intake was integrated with a fuselage and a forebody nose with an elliptical cross-section. Wind tunnel tests were conducted at critical, subcritical and supercritical operating conditions where DSI operates in its stable states. The results showed that the present DSI had acceptable performance characteristics in the stable operating conditions and provides the required mass flow and static pressure compression ratio. In addition, it has a wide stable subcritical operating condition. Moreover, a relatively different behavior in the DSI performance curve is evident due to its body integrated geometry and 3D configuration of the bump and cowl lip, especially in the supercritical conditions. (C) 2019 Elsevier Masson SAS. All rights reserved.
机译：进行了对身体集成的分发器超音速入口（DSI）的广泛实验研究。使用三维凸块与合适的罩唇组合使用三维凸块来实现这些入口。实验是在1.65，设计马赫数的自由流Mach数，设计马赫数和零度的攻角和零侧侧侧角度下进行。为了更准确地重新创建操作条件并具有现实的性能特性，进气与机身和前体鼻子集成，具有椭圆形横截面。风洞测试是在临界，亚临界和超临界操作条件下进行的，其中DSI在其稳定状态下运行。结果表明，本DSI在稳定的操作条件下具有可接受的性能特性，并提供所需的质量流量和静压压缩比。此外，它具有宽稳定的亚临界操作条件。此外，由于其身体集成的几何形状和凸罩和罩唇的3D配置，DSI性能曲线中的相对不同的行为是显而易见的，特别是在超临界条件下。 （c）2019年Elsevier Masson SAS。版权所有。

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  • 来源
    《Aerospace science and technology》 |2019年第8期|525-538|共14页
  • 作者

    Soltani M. R.; Askari R.;

  • 作者单位

    Sharif Univ Dept Aerosp Engn POB 1458889694 Tehran Iran|Univ Washington Dept Aeronaut & Astronaut Seattle WA 98195 USA;

    Sharif Univ Dept Aerosp Engn POB 1458889694 Tehran Iran;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
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