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Research Papers

Prediction of Pressure Pulsation for the Reciprocating Compressor System Using Finite Disturbance Theory

[+] Author and Article Information
Bin Xu

School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an 710049, Chinaxubing@mail.xjtu.edu.cn

Quanke Feng, Xiaoling Yu

School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China

J. Vib. Acoust 131(3), 031007 (Apr 22, 2009) (7 pages) doi:10.1115/1.3085882 History: Received April 18, 2008; Revised October 26, 2008; Published April 22, 2009

Pressure pulsations in the piping system of the reciprocating compressor produce excessive noise and even lead to damage in piping and machinery. Therefore, it is very important to predict precisely the pressure pulsation with large amplitude in the piping system. In this paper, the finite disturbance theory is used to solve the nonlinear partial differential equations that describe the unsteady one-dimensional compressible flow in the complex piping system. The solution is then compared with experimental results. The comparison shows that the finite theory fits the large pressure disturbance more precisely than the acoustic theory.

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Copyright © 2009 by American Society of Mechanical Engineers
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Figures

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Figure 1

Layout of experimental test bench

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Figure 5

Comparison of the results calculated by the acoustic method with that of experiments in case of the small amplitude pressure pulsation. (a)Measure point 1; (b) Measure point 2; (c) Measure point 3; (d) Measure point 4

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Figure 4

Comparison of the results calculated by the finite disturbance method with that of experiments in case of the small amplitude pressure pulsation. (a) Measure point 1; (b) Measure point 2; (c) Measure point 3; (d) Measure point 4.

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Figure 3

Comparison of the results calculated by the acoustic method with that of experiments in case of the large amplitude pressure pulsation. (a) Measure point 1; (b) Measure point 2; (c) Measure point 3; (d) Measure point 4.

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Figure 2

Comparison of the results calculated by the finite disturbance method with that of experiments in case of the large amplitude pressure pulsation. (a) Measure point 1; (b) Measure point 2; (c) Measure point 3; (d) Measure point 4.

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