航天推进技术研究院主办
人为粗糙度强化传热机理数值分析
- Title:
- Numerical Analysis of Heat Transfer Enhancement for a Cooling Channel Flow with Artificial Roughness
- 分类号:
- V434
- 文献标志码:
- A
- 摘要:
- 在统观模型框架内,采用k-ε模型对带人为粗糙度冷却通道内的流动和传热进行了数值模拟,得到了速度场、温度场和湍流脉动物理量分布,并比较了人为粗糙度冷却通道与光滑通道的数值模拟结果。基于数值模拟所提供的详细的流场信息,研究了人为粗糙度对流动和传热的影响,揭示了人为粗糙度强化换热的机理。本研究可为改进液体火箭发动机推力室人为粗糙度冷却通道的设计提供参考。
相似文献/References:
[1]王 娟,郑孟伟.第三流体循环发动机性能分析[J].火箭推进,2012,38(05):30.
WANG Juan,ZHENG Meng-wei.Performance analysis of third fluid circle engine[J].Journal of Rocket Propulsion,2012,38(01):30.
[2]张家仙,朱尚龙,王燕娜.输送管壁温对膏体推进剂燃速的影响[J].火箭推进,2010,36(05):31.
ZHANG Jia-xian,ZHU Shang-long,WANG Yan-na.Influence of wall temperature of feed line on pasty propellant burning rate[J].Journal of Rocket Propulsion,2010,36(01):31.
[3]杨永强,刘站国,徐浩海,等.液氧煤油发动机低温组元两相充填过程研究[J].火箭推进,2006,32(02):11.
Yang Yongqiang,Liu Zhanguo,Xu Haohai.Research on two-phase filling process of cryogenic propellant for a LOX/Kerosene LRE[J].Journal of Rocket Propulsion,2006,32(01):11.
[4]陈建华,杨宝庆,周立新,等.人为粗糙度强化换热机理分析及效果评估[J].火箭推进,2004,(04):1.
Chen Jianhua,Yang Baoqing,Zhou Lixin,et al.The Mechanism and Effect of Artificial Roughness on Heat Transfer Enhancement[J].Journal of Rocket Propulsion,2004,(01):1.