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요약정보
空调柔性管路模态测试与优化 / Modal Test and Optimization of Air-condition Pipe
Resource Type
Academic Journal
Authors
赫家宽
;
蒋邹
;
罗良辰
;
李彬
;
HE Jia-kuan
;
JIANG Zou
;
LUO Liang-chen
;
LI Bin
Source
环境技术 / Environmental Technology
. 37(1):86-91
Subject
激振器
模态分析
空调管路
结构优化
Language
Chinese
ISSN
1004-7204
Online Access
Find it @ DONGA
초록
工程应用中空调管路柔性较大,并常伴有非线性,因而模态不易测试准确.本文用激振器法测试了空调管路的模态,并利用有限元法进行了模拟仿真,辅助确定测点数目和激励点位置.然后应用PolyMAX进行结构模态分析,并对管路整改提出了解决方案.实验证明激振器可以较好的激励起各阶模态,输入激励和输出响应相干性较好;测试结果与仿真误差在7.63%以内,测试数据可信度较高;利用阻尼块、管固定块等可以调整管路的固有频率和响应,有效提高管路的可靠性.
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