|Table of Contents|

Design and hot-test analysis on LO2/methane combustion chamber body based on additive manufacturing technology(PDF)

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

Issue:
2023年04期
Page:
82-89
Research Field:
目次
Publishing date:

Info

Title:
Design and hot-test analysis on LO2/methane combustion chamber body based on additive manufacturing technology
Author(s):
LIU Zhanyi;  ZHANG Weijing;  ZHOU Kang;  WANG Yong;  HUO Shihui
(Science and Technology on Liquid Rocket EngineLaboratory, Xi'an Aerospace Propulsion Institute, Xi'an 710100, China)
Keywords:
additive manufacturing;  combustion chamber body;  design and processing;  hot-test
PACS:
V434.2
DOI:
-
Abstract:
In order to further understand the feasibility of applying the additive manufacturing technology to the development of combustion chamber body in liquid rocket engine, the design, processing and hot-test of combustion chamber body have been carried out based on additive manufacturing technology. To realize theintegration scheme of internal and external walls with superalloy as the internal wall of combustion chamber, some measures such as spiral channel design, reducing the thickness of internal wall have been adopted. In addition, a hollow flange with ribs has been taken to ensure the sealing effect of the flange while achieving the modular design of the combustion chamber. Selective Laser Melting(SLM)technology was utilized to process the product, and the detection on all aspects of the product was carried out. The product has been verified by the hot-test, and the structure is still in good condition after the test.

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