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小力值火箭发动机推力测量静态标定装置研制

Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2009-07-15

Journal: 大连理工大学学报

Included Journals: Scopus、CSCD、ISTIC、PKU、EI

Volume: 49

Issue: 4

Page Number: 526-530

ISSN: 1000-8608

Key Words: 小力值;火箭发动机;静态标定;压电石英

Abstract: 以压电石英测力平台为核心,建立起一套小力值火箭发动机推力测量的静态标定装置,解决了静态标定中液压加载出现的问题.通过实验获得了测力平台的各项静态性能指标,并对该静态标定系统进行了不确定度分析.结果表明:该压电石英测力平台具有良好的静态特性,其线性度、重复性指标都在1%以内,且该静态标定系统测量结果的不确定度远小于5%,测量精度比较高.因此,该测力平台的各项静态指标能够满足小力值火箭发动机的推力测试要求.

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