|Table of Contents|

Research on altitude simulation test scheme for expand cycle engine(PDF)

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

Issue:
2017年05期
Page:
39-44
Research Field:
研究与设计
Publishing date:

Info

Title:
Research on altitude simulation test scheme for expand cycle engine
Author(s):
HUANG Shiqi; LI Jinjiang; SUN Huijuan
Beijing Aerospace Propulsion Institute,Beijing 100076,China
Keywords:
expand cycle engine;  altitude simulation;  positive ejection;  passive ejection
PACS:
V433.9-34
DOI:
-
Abstract:
Based on the principal that the starting acceleration performance of an expand cycle engine was possibly affected by the ambient pressure in its developing beginning phase,a test scheme of the positive ejection altitude simulation was selected.The test results show that the ambient pressure affects the starting acceleration performance slightly,the chamber pressure and nozzle area ratio of the expand cycle engine are the main parameters affecting the ejection form,and the parameters of a certain gas generator cycle engine with passive ejection are quite same as that of the expand cycle engine,which provide a possible selection for the expand cycle engine to adopt the passive ejection form.Therefore,the feasibility research on the passive ejection altitude simulation test scheme for the expand cycle engine is carried out in this paper.

References:

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Last Update: 2017-11-10