|Table of Contents|

Thermal design and optimization of hybrid printed circuit precooler(PDF)

《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]

Issue:
2022年06期
Page:
59-68
Research Field:
目次
Publishing date:

Info

Title:
Thermal design and optimization of hybrid printed circuit precooler
Author(s):
XU Dongjun1;  LIAN Jie1;  NAN Xiangyi2;  MA Yuan2;  WANG Qiuwang1;  MA Ting1
(1.MOE Key Laboratory of Thermo-fluid Science and Engineering, Xian Jiaotong Universtiy, Xian 710049,China 2.Xian Aerospace Propulsion Institute, Xian 710100, China)
Keywords:
precooling combined engine precooler hybrid printed circuit heat exchanger segmented thermal design method genetic algorithm
PACS:
V236
DOI:
-
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.

References:

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