哈特曼声发生器阵列声学特性的数值模拟

2015 IEEE Advanced Information Technology, Electronic and Automation Control Conference (IAEAC) Pub Date : 2015-12-01 DOI:10.1109/IAEAC.2015.7428592

Chen Rensong, Wang Guoqing, Chen Xiuhai, Gao Xinjun, Jian Junbo, Pei Yongquan

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引用次数: 0

摘要

基于FW-H方法声学模型，对进口压力分别为3.12atm、4.12atm、5.12atm、6.12atm、7.12atm和8.12atm时哈特曼声发生器阵列的声学特性进行了数值计算。引入了下游的声强经验方程，对不同进口压力下的声强计算结果进行了非线性拟合。采用F函数进行显著性检验，结果显示置信水平在10-4，回归水平较高。强度经验方程的信度较高。本文的研究结果对哈特曼声发生器阵列的实际应用具有重要意义。

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Numerical simulation on the acoustic characteristics of the Hartmann acoustic generator array

Based on the method FW-H acoustic model, the acoustic characteristics of the Hartmann acoustic generator array were numerically calculated, with different inlet pressure 3.12atm, 4.12atm, 5.12atm, 6.12atm, 7.12atm and 8.12atm. The acoustic intensity empirical equations were introduced off the downstream, by nonlinear fitting the calculated intensity results about different inlet pressure. The test of significance was taken with F function, and the results show that the confidence level is at 10-4, and the regression level is high. The degree of belief of intensity empirical equations is high. The results of the paper are significant for the application of the Hartmann acoustic generator array.

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来源期刊

2015 IEEE Advanced Information Technology, Electronic and Automation Control Conference (IAEAC)

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