航天推进技术研究院主办
XU Dongjun,LIAN Jie,NAN Xiangyi,et al.Thermal design and optimization of hybrid printed circuit precooler[J].Journal of Rocket Propulsion,2022,48(06):59-68.
复合印刷电路板式预冷器的热力设计与优化
- Title:
- Thermal design and optimization of hybrid printed circuit precooler
- 文章编号:
- 1672-9374(2022)06-0059-10
- 分类号:
- V236
- 文献标志码:
- A
- 摘要:
- 空气预冷器作为预冷组合循环发动机的关键部件之一,能够在极短的时间内对来流的高温空气进行冷却,预冷器的性能对预冷组合循环发动机的运行性能具有重要影响。因此,研制耐高温高压、高效紧凑且轻质的预冷器对预冷组合循环发动机的工程应用具有重要意义。针对一种复合印刷电路板预冷器,在5 Ma飞行工况和换热功率为422 MW时对其展开热力设计,并结合遗传算法对复合印刷电路板换热器进行结构优化。计算结果表明,优化后的复合印刷电路板换热器的体积功率比传统印刷电路板换热器的体积功率提高了93,比毛细管预冷器的体积功率提高了243。
- Abstract:
- As one of the key components in the precooling combined engine,the air precooler can cool the incoming high-temperature air at a very short time. The performance of the precooler has significant effect on the operating performance of the precooling engine. Therefore,the development of high temperature and high pressure resistant,efficient,compact and lightweight precooler is of great significance for the engineering application of the precooled engine. In this paper,a hybrid printed circuit heat exchanger is proposed. Under the operating condition at Mach 5 and the heat transfer rate of 422 MW,the thermal design is carried out,and the structure of the hybrid printed circuit heat exchanger is optimized combined with Genetic Algorithm. The calculation results show thatthe volume power of the optimized hybrid printed circuit heat exchanger is increased by 93 compared with that of the conventional printed circuit heat exchanger,and is increased by 243% compared with capillary tube precooler.
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备注/Memo
收稿日期:2021- 08-20 修回日期:2021- 09-11
基金项目:国家自然科学基金(52022080)
作者简介:徐东君(1997—),男,博士研究生,研究领域为高温高压传热与强化。
通信作者:马挺(1985—),男,博士,教授,研究领域为高温高压传热与强化。