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Experimental method and challenge of the high-frequency combustion instability(PDF)

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

Issue:
2009年02期
Page:
7-11
Research Field:
专论与综述
Publishing date:

Info

Title:
Experimental method and challenge of the high-frequency combustion instability
Author(s):
Li Longfei; Chen Jianhua; Hong Liu; Zhou Lixin
Xi'an Aerospace Propulsion Institute，Xi'an 710100，China
Keywords:
liquid propellant rocket engine; high—frequency combustion instability; responding characteristics; simulation testing metllod
PACS:
V434
DOI:
-
Abstract:
The responding characteristics of the combustion process of liquid propellant rocket engines were analyzed via characteristic time，and the experiment focuses on high-frequency combustion instability were pointed out．The typical simulation testing methods and test facilities were also introduced in this paper．The acoustic experimentation，the low-pressure hi【gh frequency com· bustion instability simulation and dynamics of injector experiments were presently regarded as the most effective approaches to engineering design．High—pressure combustion simulation experiments and the optical measuring technique were the key to the understanding of the high-frequency cornbustion instability mechanism．

References:

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