基于流动控制的制冷系统制冷剂喷发音降噪技术研究

doi:10.19784/j.cnki.issn1672-0172.2023.03.003

家电科技 ›› 2023, Vol. 0 ›› Issue (3): 27-31.doi: 10.19784/j.cnki.issn1672-0172.2023.03.003

基于流动控制的制冷系统制冷剂喷发音降噪技术研究

曹继来^1,2, 刘圆圆¹, 江俊¹, 陈千一^1,2, 陈鑫^1,2, 赵圣宇¹

1.合肥华凌股份有限公司安徽合肥 230601;
2.美的集团（上海）有限公司上海 201702

出版日期:2023-06-01 发布日期:2023-08-29
作者简介:曹继来,博士学位。研究方向：气动声学计算与降噪超构表面研究。地址：安徽省合肥市锦绣大道176号。E-mail：caojl5@midea.com。
基金资助:
美的冰箱事业部“系统异响抑制方案项目”（RA00022541）

Reduction of jet flow noise in refrigeration system based on the flow control technology

CAO Jilai^1,2, LIU Yuanyuan¹, JIANG Jun¹, CHEN Qianyi^1,2, CHEN Xin^1,2, ZHAO Shengyu¹

1. Hefei Hualing Co., Ltd. Hefei 230601;
2. Midea Group (Shanghai) Co., Ltd. Shanghai 201702

Online:2023-06-01 Published:2023-08-29

摘要/Abstract

摘要： 针对冰箱制冷系统中制冷剂喷发音大的问题,提出涡流发声器和层流发生器两种制冷剂喷发音降噪技术。基于LES/CAA联合仿真方法开展涡流发声器和层流发生器两种喷发装置内的湍流场和辐射声场特征研究。研究表明：涡流发生器可实现制冷剂喷发湍流涡结构调控,在0~6400 Hz频率范围噪声降低7 dB;层流发生器通过抑制湍流涡结构获得高速层流流动,噪声级较涡流发生器进一步降低4.3 dB,表现出良好的降噪效果。提出的流动控制技术方案可为制冷系统制冷剂喷发音降噪提供理论指导,且实验结果同样具有良好的降噪效果,该技术在制冷系统制冷剂喷发音降噪方面具有良好的应用前景。

关键词: 毛细管, 涡流发生器, 层流发生器, LES/CAA, 减振抑噪

Abstract: To solve the problem of jet flow noise in refrigeration system, two kinds of noise reduction technologies with vortex generator and laminar flow generator were proposed. The characteristics of turbulence field and radiation sound field in vortex generator and laminar flow generator were studied based on the LES/CAA technology. The results show that the vortex generator can regulate the turbulent vortex structure inside jet flow and reduce the noise by 7 dB in the frequency range of 0~6400 Hz. The laminar flow generator can obtain high-speed laminar flow by suppressing the turbulent vortex structure. The noise level is further reduced by 4.3 dB compared with the vortex generator, which can achieve better noise reduction effect. The flow regulation technology proposed can provide theoretical guidance for the jet flow noise reduction in refrigeration system and has a good application prospect with the experimental validation.

Key words: Capillary, Vortex generator, Laminar flow generator, LES/CAA, Vibration and noise reduction

中图分类号:

TS04

曹继来, 刘圆圆, 江俊, 陈千一, 陈鑫, 赵圣宇. 基于流动控制的制冷系统制冷剂喷发音降噪技术研究[J]. 家电科技, 2023, 0(3): 27-31.

CAO Jilai, LIU Yuanyuan, JIANG Jun, CHEN Qianyi, CHEN Xin, ZHAO Shengyu. Reduction of jet flow noise in refrigeration system based on the flow control technology[J]. Journal of Appliance Science & Technology, 2023, 0(3): 27-31.

参考文献

[1] 李语亭, 江俊, 任伟, 等. 冰箱制冷剂噪音的分析和研究[A]//第十三届全国电冰箱(柜)、空调器及压缩机学术交流大会论文集[C], 2016: 30-33.
[2] 韩海晓, 何志龙, 彭强强. 全封闭冰箱压缩机噪声控制研究综述[J]. 流体机械, 2012, 40(01): 35-40.
[3] 郭维, 刘斌, 冯涛, 等. 冰箱压缩机机壳实验模态分析[J]. 噪声与振动控制, 2010, 30(03): 67-70.
[4] 陈建良, 金涛, 孟晓宏, 等. 冰箱压缩机壳体噪声辐射数值分析[J]. 浙江大学学报(工学版), 2007, 41(05) : 794-798.
[5] 姜国清, 陈雍乐. 冰箱压缩机噪声分析及降噪措施的研究[J]. 重庆大学学报(自然科学版) , 1995, 18(02) : 74-80.
[6] 冯涛, 刘克, 周启君, 等. 冰箱制冷剂流动噪声的实验研究[A]//中国声学学会. 中国声学学会2002年全国声学学术会议论文集[C].《声学技术》编辑部, 2002: 343-344.
[7] 杨智辉, 刘益才, 刘振利, 等. 冰箱回热毛细管内部流动特性研究[J]. 真空与低温, 2006(04): 210-214.
[8] 张玙, 刘益才. 小型制冷系统两相流致噪声研究进展[J]. 浙江大学学报(工学版), 2021, 55(04): 775-791.
[9] 刘永辉, 刘益才, 尹凤福, 等. 基于内部流动抑制的小型家用制冷设备降噪技术研究[J]. 振动与冲击, 2017, 36(15): 152-157.
[10] UMEDA T, NAKAMURA H, OOTSUKA A, et al.Reduction of refrigerant flow noise in residential air conditioners during energy-saving cycle-heating dehumidification operation (in Japanese) [J]. Transactions of the Japan Society of Mechanical Engineers: Series B, 2000, 66(641): 141-149.
[11] KIM M S, JEONG W B, HAN H S.Development of noise pattern map for predicting refrigerant-induced noise in refrigerators[J]. Journal of Mechanical Science and Technology, 2014, 28(09): 3499-3510.
[12] KIM G J, LEE J H, PARK J H, et al.Flow visualization and noise measurement of R410A two-phase flow near electric expansion valve for heating cycle of multi-split air-source heat pump[J]. Applied Thermal Engineering, 2019, 157: 113712.
[13] KIM G J, SONG S.Noise reduction of refrigerant two-phase flow using flow conditioners near the electric expansion valve[J]. Journal of Mechanical Science and Technology, 2020, 34(02): 719-725.
[14] Brown G B.The vortex motion causing edge tones[J]. Proceedings of the Physical Society (1926-1948), 1937, 49(05): 493.

基于流动控制的制冷系统制冷剂喷发音降噪技术研究

Reduction of jet flow noise in refrigeration system based on the flow control technology

PDF

可视化

摘要/Abstract

引用本文

使用本文

参考文献

相关文章 3

Metrics

本文评价

推荐阅读 7

[1]	李大伟, 张书锋, 伍仁杰, 刘迎文. 内藏式扁管蒸发器在卧式直冷冷柜中的应用分析[J]. 家电科技, 2020, 0(zk): 64-66.
[2]	盛艳军, 齐玉文, 黄圣祥. 多系统冰箱串并联节点喷发噪音案例分析与优化[J]. 家电科技, 2020, 0(zk): 300-305.
[3]	任滔, 肖成进, 刘江彬, 柴婷, 孟庆良, 宋强. 毛细管内R410A两相流动阻力特性实验研究[J]. 家电科技, 2020, 0(6): 82-85.