|Table of Contents|

Experimental investigation on vortex-cooled technology of 150 N GO2/kerosene engine(PDF)

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

Issue:
2020年03期
Page:
26-32
Research Field:
研究与设计
Publishing date:

Info

Title:
Experimental investigation on vortex-cooled technology of 150 N GO2/kerosene engine
Author(s):
WANG Yong1;  JU Le2;  YANG Weidong2;  HONG Liu1
(1.Science and Technology on Liquid Rocket Engine Laboratory,Xi’an Aerospace Propulsion Institute,Xi’an 710100,China; 2.Xi’an Aerospace Propulsion Institute,Xi’an 710100,China)
Keywords:
attitude control engine;  GO2/kerosene;  vortex-cooled thrust chamber;  numerical simulation;  hot-fire test
PACS:
V434.13
DOI:
-
Abstract:
In order to explore the feasibility of GO2/kerosene vortex-cooled thrust chamber used in the attitude control engine with a hundred Newton level, an experimental verification of vortex-cooled technology was carried out. Based on the theoretical analysis and the numerical simulation, the design of 150 N GO2/kerosene vortex-cooled thrust chamber was completed. The numerical simulation results show that the internal swirling area accounts for 87.8% of the chamber diameter, and the combustion chemical reaction occurs in the annular region with 39%～81% of chamber radius. Through the hot-fire test, the combustion chamber achieves the reliable ignition, stable operation and combustion efficiency of 0.91. An effective gas film cooling is formed and the thermal protection of thrust chamber wall and head is reliable, which fully indicates the existence of internal and external double vortex structure

References:

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Last Update: 2020-06-25