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离心压缩机闭式叶轮晶粒黏着失谐动力特性研究

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Indexed by:期刊论文

Date of Publication:2010-06-26

Journal:风机技术

Issue:3

Page Number:7-12

ISSN No.:1006-8155

Key Words:离心式压缩机;闭式叶轮;失谐叶轮;有限元法

Abstract:基于铵盐结晶在叶轮流道内非均匀分布形成的失谐,使用有限元方法,计算了失谐叶轮的固有频率和动力响应,并与协调叶轮固有频率和动力响应进行对比,提取振动特征量计算了模态局部化因子和振动局部化因子,研究了这一类不同程度的失谐对叶轮模态特性和动力响应特性造成的影响.

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