A new calibration method for measuring acoustic transfer matrixes with flow and application to an automotive compressor

被引：0

作者：

Rousseleta, Benoit ^{[1
]}

Gibiat, Vincent ^{[1
]}

Guilain, Stephane ^{[2
]}

Lefebvre, Alain ^{[2
]}

机构：

[1] Univ Toulouse 3, Lab PHASE, F-31062 Toulouse 9, France

[2] Renault SAS, Powertrain Engn Div, FR CTL L16 1 29, F-91510 Lardy, France

来源：

JOURNAL OF SOUND AND VIBRATION | 2014年 / 333卷 / 24期

关键词：

PARAMETERS; IMPEDANCE;

D O I：

10.1016/j.jsv.2014.06.042

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

A new method for measuring acoustic transfer matrixes with flow has been developed. It is based on two-load technique. Great improvements were obtained on specific calibration of the connections. We present here the calibration principles and validation. Measurements of basic resonating systems, first without flow then with flow up to Mach 0.2 clearly validated the accuracy of the technique, even under extreme flow conditions. This technique was developed to allow the determination of the acoustic behavior of an automotive engine intake line, comprising a compressor. Measurements of the transfer matrix of an automotive compressor are presented without flow then under realistic engine conditions. The results obtained are compared to those of a basic acoustic model of the compressor. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：6370 / 6380

页数：11

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