|Table of Contents|

Thermal design method and performance of printed circuit helium heater(PDF)

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

Issue:
2023年01期
Page:
36-43
Research Field:
目次
Publishing date:

Info

Title:
Thermal design method and performance of printed circuit helium heater
Author(s):
ZHANG Yelei1;  ZHAO Jian2;  MA Ting1;  WANG Qiuwang1
(1.MOE Key Laboratory of Thermo-Fluid Science and Engineering, Xian Jiaotong University,Xian 710049, China 2.Xian Aerospace Propulsion Institute, Xian 710100, China)
Keywords:
printed circuit heat exchanger helium heater thermal design flow and heat transfer characteristics
PACS:
TK124
DOI:
-
Abstract:
As a new type of micro-channel heat exchanger, the printed circuit heat exchanger has the advantages of compactness and efficiency, temperature resistance and pressure resistance, and modularity.It has a good application prospect in rocket engines, but there are few researches on the application of printed circuit heat exchanger in rocket engines.The design idea of printed circuit heat exchanger for helium heater applied to rocket engines was proposed, the thermal design program was developed and the numerical simulation was carried out.The results show that the printed circuit helium heater core has a small volume and mass, the maximum relative error between the calculated value and the simulated value of the temperature drop in the hot side and cold side of the helium heater is 1.33, and the maximum relative error between the calculated value and the simulated value of the pressure drop in the hot side and cold side of the helium heater is 18.51.It is demonstrated that the developed segmented thermal design method has high accuracy for printed circuit helium heater.The cold end of the helium heater has the strongest heat transfer capacity.The fluid flow on the hot side is more intense, and has a greater heat transfer capacity, but at the same time, there is a larger pressure drop.

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