The Effect of Place the Porous Medium in Gas Pressure Regulators on Performance and Noise Reduction

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Mohammadi Sarasia M.; AJAM H.; Moloodi A.

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Journal: Modares Mechanical Engineering Year:2021 | Volume:21 | Issue:7 Page(s): 429-439

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Title

The Effect of Place the Porous Medium in Gas Pressure Regulators on Performance and Noise Reduction

Author(s)

Mohammadi Sarasia M. | AJAM H. | Moloodi A. | Issue Writer Certificate

Keywords

AeroacousticsQ1

Computational Fluid DynamicsQ1

Porous MediumQ2

Gas Pressure RegulatorQ1

Abstract

In the present study, the effect of putting a Porous Medium in natural-Gas Pressure Regulators, on the operation and reducing the sound intensity, is studied. First, it was studied experimentally. Experiments were applied on a system with Porous Medium 20 ppi, a system with Porous Medium 10 ppi, and a system without a Porous Medium. To check the validity of the results, experiments were evaluated in four pressure difference levels 20, 10, 5, and 2. 5 MPa, and in the critical pressure ratio condition. Afterward, for evaluation the flow parameters on the performance of regulators and the sound intensity level, numerical simulation of fluid flow was performed. The results show that implementing porous media with 10 ppi and 20 ppi porosity, decreases flow coefficient, respectively 7% and 15% and sound intensity level, respectively 25 and 30 dB. The amount of porosity does not have much effect on the sound intensity. On the other hand, the results of the fluid flow simulation show that placing the Porous Medium in the flow direction reducing the turbulent intensity and regulating the flow. As well as, it decreases the sound intensity by decreasing the maximum velocity and the vortex power.

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APA: Copy

Mohammadi Sarasia, M., & AJAM, H.. (2021). The Effect of Place the Porous Medium in Gas Pressure Regulators on Performance and Noise Reduction. MODARES MECHANICAL ENGINEERING, 21(7 ), 429-439. SID. https://sid.ir/paper/399933/en

Vancouver: Copy

Mohammadi Sarasia M., AJAM H.. The Effect of Place the Porous Medium in Gas Pressure Regulators on Performance and Noise Reduction. MODARES MECHANICAL ENGINEERING[Internet]. 2021;21(7 ):429-439. Available from: https://sid.ir/paper/399933/en

IEEE: Copy

M. Mohammadi Sarasia, and H. AJAM, “The Effect of Place the Porous Medium in Gas Pressure Regulators on Performance and Noise Reduction,” MODARES MECHANICAL ENGINEERING, vol. 21, no. 7 , pp. 429–439, 2021, [Online]. Available: https://sid.ir/paper/399933/en

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