套筒结构对双层套筒式控制阀气动噪声的影响分析

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Abstract The porous sleeve control valve has a good effect on reducing noise, and the double-layer porous sleeve can further improve the noise reduction performance. In order to investigate the effects of the sleeve gap and sleeve thickness on the aerodynamic noise of the double-layer sleeve control valve, the numerical model of the double-layer sleeve control valve is established in the paper. The results indicated that the sleeve gap has a greater impact on the aerodynamic noise of the valve. With the increase of the sleeve gap, the noise reduction effect becomes more obvious at the small opening. The sleeve thickness has little effect on the aerodynamic noise of the valve. The research results in this paper have important reference significance for the sleeve design of the sleeve control valve.

Key words： double-layer sleeve control valve sleeve thickness sleeve gap aerodynamic noise broadband noise spectrum characteristic

Received: 02 December 2020 Published: 15 April 2022

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	Articles by authors
	QIAN Jinyuan1
	YU Longjie1
	HOU Congwei1
	JIANG Yongbing2
	HAO Jiaoshan2
	WANG Weibo2
	JIN Zhijiang1

Cite this article:

QIAN Jinyuan1,YU Longjie1,HOU Congwei1, et al. Effects of sleeve structure on aerodynamic noise of double-layer sleeve control valve[J]. JOURNAL OF VIBRATION AND SHOCK, 2022, 41(7): 145-152.

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http://jvs.sjtu.edu.cn/EN/ OR http://jvs.sjtu.edu.cn/EN/Y2022/V41/I7/145

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