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Experimental investigation of POGO cavitation dynamic characteristic for liquid rocket engine pump(PDF)

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

Issue:
2012年04期
Page:
26-31
Research Field:
研究与设计
Publishing date:

Info

Title:
Experimental investigation of POGO cavitation dynamic characteristic for liquid rocket engine pump
Author(s):
WANG Jun;  HU Peng;  YAN Yong
Beijing Aerospace Propulsion Institute, Beijing 100076, China
Keywords:
pump cavitation dynamic parameter;  POGO;  experimental system;  cavitation compliance;  dynamic gain
PACS:
V434-34
DOI:
-
Abstract:
A series of experimental investigations were performed in order to obtain the POGO dynamic parameters of liquid rocket engine pump. The experimental system is described and the main test principle is expounded. The analysis progress of test data at pump inlet pressure of 0.5 MPa is introduced. Based on test results, the POGO dynamic characteristic parameters, such as cavitation compliance and pump dynamic gain, are given. The investigation shows that, under the condition of pump inlet pressure of 0.25~0.86 MPa, the non-dimensional cavitation compliance is 0.6~2, the pump dynamic gain is 2~5 and the maximum observation value is up to 13.

References:

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