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Research on equalizing discharge of parallel tank for a liquid rocket engine(PDF)

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

Issue:
2018年03期
Page:
76-80
Research Field:
测控与试验
Publishing date:

Info

Title:
Research on equalizing discharge of parallel tank for a liquid rocket engine
Author(s):
LI Chunfei;  LONG Chunwei;  DONG Yuan
Xi'an Aerospace Propulsion Institute, Xi'an 710100, China
Keywords:
liquid rocket engine;  equalizing discharge;  parallel-tank;  analysis model;  improvement measure
PACS:
V433-34
DOI:
-
Abstract:
Two parallel tanks are arranged to supply propellant simultaneously in a liquid rocket engine, but the propellant discharge is not balanced. It is associated with the flow resistance of the engine pipeline, the thruster working performance and the structural layout of the engine. In order to obtain the dominate factors affecting the discharge balance of the engine system and provide the measure for eliminating the unequal discharge of the parallel tank, an analysis model and a testing system were established to verify the influence of these above factors through the computational analysis and test. The results show that the pipeline flow resistance and the structural layout of the engine are the main factors, while the influence of the thruster working performance is very small. Accordingly, the feasible improvement measures are achieved to control the pipeline flow resistance and optimize the structural layout of the engine.

References:

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Last Update: 2018-06-30