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General Arithmetic to Analyze Dynamic Characteristics of Complex Tubing System for Fluctuating Wind Pressure Measurements
Author(s): 
Pages: 702-708
Year: Issue:  6
Journal: JOURNAL OF TONGJI UNIVERSITY(NATURAL SCIENCE)

Keyword:  风洞试验管道脉动风压气动平均方法频率响应函数优化;
Abstract: 利用流体管道耗散模型,建立可用于计算复杂传压管路动态特性的方法和通用计算程序,结果用于脉动风压测量的畸变信号修正.与相关文献比较,使用本方法可以灵活地处理更为复杂的管路情况.定义了衡量管路动态特性品质的控制目标函数,并导出了该函数对各种管路参数灵敏度的解析表达式,以便于提高管路优化计算的效率.最后结合两个算例,证明了本方法的有效性.根据计算结果,推荐了适合于简单逐点测压试验应用的一组简单优化管路配置方案,可供脉动风压测试风洞试验中的传压管路设计时参考.
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