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二次启动前火箭发动机泵构件温度特性数值计算
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- Wang, Weishu (author)
- State Key Laboratory of Multiphase Flow in Power Engineering, Xi’an Jiaotong University
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- Luo, Yushan (author)
- State Key Laboratory of Multiphase Flow in Power Engineering, Xi’an Jiaotong University
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- Chen, Tingkuan (author)
- State Key Laboratory of Multiphase Flow in Power Engineering, Xi’an Jiaotong University
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- (creator_code:org_t)
- Beijing, China, 2005
- 2005
- Chinese.
- In: Journal of Propulsion Technology. - Beijing, China. - 1001-4055. ; 26, s. 292-295
- Journal article (peer-reviewed)
Abstract
Subject headings
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- 用数值计算的方法研究了液体火箭发动机在二次启动前,发动机泵系统各构件的温度特性和泵腔含汽率。建立了基于集总参数法的发动机启动前排放过程中涡轮、泵及进口管的温度变化计算模型。排放冷却过程中冷却剂N2O4的单相强制对流换热系数用Dittus-Boelter公式计算,流动沸腾换热系数采用ShanMM强化模型。并对某液体火箭发动机二次启动前排放过程涡轮泵系统各构件温度变化和泵腔含汽率进行了计算,模型计算结果与试车数据吻合良好,研究结果表明,二次启动前的主动排放过程对泵壳体及进口管的冷却效果很好。
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
Keyword
- 液体推进剂火箭发动机 涡轮泵 温度计算 集总参数
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- ref (subject category)
- art (subject category)
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- Wang, Weishu
- Luo, Yushan
- Chen, Tingkuan
- Li, Huixiong
- Li, Liangxing
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- ENGINEERING AND TECHNOLOGY
- ENGINEERING AND ...
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- Royal Institute of Technology
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