| 歼击机座舱供气流动边界条件计算模型 |
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| 引用本文： | 沈海峰,袁修干,刘伟.歼击机座舱供气流动边界条件计算模型[J].系统仿真学报,2010,22(1). |
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| 作者姓名： | 沈海峰 袁修干 刘伟 |
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| 作者单位： | 1. 北京航空航天大学人机环境工程研究所,北京,100191
2. 北京邮电大学自动化学院,北京,100876 |
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| 基金项目： | 国家自然科学基金(30970904,60672181,30400137) |
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| 摘 要： | 歼击机座舱空气分配系统的送风参数是影响舱内流场的重要因素。建立了供气流动边界条件计算模型以获得舱内流场计算的入口边界条件。分别采用该计算模型及传统的均匀供气边界条件对舱内流场进行了数值计算,并通过地面模拟实验验证了数值计算的准确性。计算结果和实验结果的对比表明,采用该计算模型的流场计算精度比传统方法有显著提高。
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| 关 键 词： | 座舱 空气分配系统 数值模拟 流场 边界条件 |
Air Supply Flow Boundary Condition Model of Fighter Plane Cockpit |
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| SHEN Hai-feng,YUAN Xiu-gan,LIU Wei.Air Supply Flow Boundary Condition Model of Fighter Plane Cockpit[J].Journal of System Simulation,2010,22(1). |
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| Authors: | SHEN Hai-feng YUAN Xiu-gan LIU Wei |
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| Institution: | SHEN Hai-feng1,YUAN Xiu-gan1,LIU Wei2(1.Human-Machine-Envrionment Engineering Academy,Beihang Univercity,Beijing 100191,China,2.Automation School,Beijing University of Posts , Telecommunications,Beijing 100876,China) |
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| Abstract: | The inlet parameters of a fighter plane cockpit's air distribution system are important factors affecting flow field in cockpit. The air supply flow boundary condition model was established to obtain the inlet boundary condition of flow field calculation. The flow field in cockpit was simulated by using above model and assuming uniform flow flux out of each air supply hole individually, and an experiment was carried out to prove the accuracy of both methods. The comparison between calculation and experiment results shows that the accuracy of above model is much higher than the accuracy of traditional method. |
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| Keywords: | cockpit air distribution system numerical simulation flow field boundary condition |
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