Affiliation of Author(s):能源与动力学院
Journal:火箭推进
Key Words:超声速进气道;进气道扩张段;中心线变化规律;扩张比;中心线偏距;
Abstract:研究了一种二维超声速进气道扩张段型面的中心线变化规律、扩张比及中心线偏距对设计状态下进气道的气动性能及流场的影响。结果表明:采用前缓后急中心线变化规律的进气道出口总压恢复系数最高,而采用前急后缓中心线变化规律的进气道总压恢复系数最低;随着扩张比从1.40增大到1.80,进气道总压恢复系数和抗反压能力均下降,出口马赫数上升,扩张比与长度对进气道出口参数的影响存在较强的耦合关系;随着偏距比的增加,进气道总压恢复系数起初有一定的升高,但偏距比增大到0.80之后,总压恢复系数降低,出口马赫数增大,总体上偏距比变化对进气道抗反压能力影响不大。
Translation or Not:no
Date of Publication:2017-12-15
Co-author:汪昆,刘雨
Correspondence Author:Lyurong Xie
Associate Professor
Supervisor of Master's Candidates
Gender:Female
Education Level:南京航空航天大学
Degree:Doctoral Degree in Engineering
School/Department:College of Energy and Power Engineering
Discipline:Aerospace Propulsion Theory and Engineering. Engineering Thermophysics
Business Address:A10-640
Contact Information:13815887418
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