掺汽超空化抑制节流喷射噪声研究进展

doi:10.19784/j.cnki.issn1672-0172.2020.05.007

家电科技 ›› 2020, Vol. 0 ›› Issue (5): 59-61.doi: 10.19784/j.cnki.issn1672-0172.2020.05.007

掺汽超空化抑制节流喷射噪声研究进展

李湘文¹, 张玙², 汪谦旭², 刘益才²

1.中南大学资源与安全工程学院湖南长沙 410083;
2.中南大学能源科学与工程学院湖南长沙 410083

出版日期:2020-10-01 发布日期:2020-09-27
通讯作者: 刘益才 lyccsu@csu.edu.cn
基金资助:
国家自然科学基金项目（51776226）

Research progress on suppressing throttling jet noise by steam super cavitation

LI Xiangwen¹, ZHANG Yu², WANG Qianxu², LIU Yicai²

1. Central South University,School of Resources and Safety Engineering Changsha 410083;
2. Central South University,School of Energy Science and Engineering Changsha 410083

Online:2020-10-01 Published:2020-09-27

摘要/Abstract

摘要： 基于改变出口截面积降低蒸汽压缩式制冷系统中节流喷射噪声的常规方法并不能有效地抑制节流装置突发噪声,根据环泡状流动系统对两相流稳定性的贡献,利用掺汽装置构建超空化系统对抑制节流喷射噪声的前景,系统介绍了空化和超空化抑制噪声的研究进展,提出掺汽降噪在节流喷射系统中的应用技术,利于构建节流阀出口环泡状流动状态,进而抑制制冷装置节流喷射噪声。

关键词: 节流噪声, 掺汽超空化, 噪声抑制, 研究前景

Abstract: Based on changes in steam compression refrigeration system of export cross-sectional area of the conventional method of throttling jet noise and can effectively inhibit the throttle device sudden noise, according to the ring bubble flow system contributes to the stability of the two phase flow, using mixed steam unit build super cavitation system to curb the throttling jet noise, the prospect of cavitation are introduced and the research progress of ultra-cavitation noise, the proposed steam mixed noise in the throttling injection system, the application of technology, to build a throttle valve outlet ring bubble flow state, thereby inhabiting the throttling jet noise of refrigeration equipment.

Key words: Throttling noise, Vapor-doped super cavitation, Noise suppression, Research prospect

中图分类号:

TB651

李湘文, 张玙, 汪谦旭, 刘益才. 掺汽超空化抑制节流喷射噪声研究进展[J]. 家电科技, 2020, 0(5): 59-61.

LI Xiangwen, ZHANG Yu, WANG Qianxu, LIU Yicai. Research progress on suppressing throttling jet noise by steam super cavitation[J]. Journal of Appliance Science & Technology, 2020, 0(5): 59-61.

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掺汽超空化抑制节流喷射噪声研究进展

Research progress on suppressing throttling jet noise by steam super cavitation

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