Study on critical enthalpy extraction ratio and numerical validation for magnetohydrodynamic inlet

CHEN Rui-feng; WEI Zhi-jun; WANG Ning-fei

Chinese

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Study on critical enthalpy extraction ratio and numerical validation for magnetohydrodynamic inlet

更新时间：2026-07-07

- Study on critical enthalpy extraction ratio and numerical validation for magnetohydrodynamic inlet
- Vol. 26, Issue 8, (2011)
- 作者机构：
  
  北京理工大学宇航学院,北京,100081
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011
- 稿件说明：
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CHEN Rui-feng, WEI Zhi-jun, WANG Ning-fei. Study on critical enthalpy extraction ratio and numerical validation for magnetohydrodynamic inlet[J]. 2011, 26(8).
DOI：

CHEN Rui-feng, WEI Zhi-jun, WANG Ning-fei. Study on critical enthalpy extraction ratio and numerical validation for magnetohydrodynamic inlet[J]. 2011, 26(8). DOI：

摘要

为保证磁控进气道工作于起动状态

提出了临界焓提取率的概念

采用涡轮喷气发动机的模型对磁控进气道进行类比分析

推导得到了磁控进气道在临界起动状态下的模型.最后通过数值验算

磁控进气道的临界状态模型与数值结果符合较好

误差小于5.7%

可为磁控进气道的设计提供参考.

Abstract

To ensure that the magnetohydrodynamic (MHD) inlet works in starting state

the concept of critical enthalpy extraction ratio was proposed for the MHD inlet.The quasi-one-dimensional model for the critical enthalpy extraction ratio state of MHD inlet was analyzed using the turbojet engine model

the variable cross-section pipe flow theory and the expressions of modified polytropic efficiencies.By comparison of this model with the computational fluid dynamics (CFD) method

the results show that this model fits good

and the error is less than 5.7%

thus providing a reference for design of the MHD inlet.

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Related Author

Shiping SUN

Dehui XU

Daohuang LIU

Zheng HU

Jiaying HU

Zhenguo WANG

Yu PAN

Peibo LI

Related Institution

School of Aeronautical Manufacturing Engineering， Nanchang Hangkong University

Faculty of Rocket and Space Technology， National Aerospace University “KhAI”

College of Aerospace Science and Engineering，National University of Defense Technology

Facility Design and Instrumentation Institute，China Aerodynamics Research and Development Center

School of Power and Energy，Northwestern Polytechnical University

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