Study on Atomization Characteristics of Nozzles in Artificial Snow-Making Process

Li Rui; Liu Bin; Hu Hengxiang; Li Zhuorui; Zeng Tao

doi:10.12465/j.issn.0253-4339.2025.04.087

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Study on Atomization Characteristics of Nozzles in Artificial Snow-Making Process

更新时间：2025-08-28

- Study on Atomization Characteristics of Nozzles in Artificial Snow-Making Process
- Journal of Refrigeration Vol. 46, Issue 4, Pages: 87-96(2025)
- 作者机构：
  
  天津商业大学　天津市制冷技术重点实验室　农业农村部农产品低碳冷链重点实验室　天津　300134
- 作者简介：
  
  Liu Bin, male, professor, School of Mechanical Engineering, Tianjin University of Commerce, 86-18920197448, E-mail: lbtjcu@tjcu.edu.cn. Research fields: refrigeration and cryogenic engineering technology, heat and mass transfer.
- 基金信息：
- DOI：10.12465/j.issn.0253-4339.2025.04.087
  CLC： TK124;TB657;P481
- Received：08 May 2024，
  
  Revised：24 May 2024，
  
  Accepted：31 July 2024，
  
  Published：16 August 2025
- 稿件说明：
移动端阅览
Li Rui, Liu Bin, Hu Hengxiang, et al. Study on Atomization Characteristics of Nozzles in Artificial Snow-Making Process[J]. Journal of refrigeration, 2025, 46(4): 87-96.
DOI：

Li Rui, Liu Bin, Hu Hengxiang, et al. Study on Atomization Characteristics of Nozzles in Artificial Snow-Making Process[J]. Journal of refrigeration, 2025, 46(4): 87-96. DOI： 10.12465/j.issn.0253-4339.2025.04.087.

摘要

全球气候变暖及滑雪行业的蓬勃发展给人工造雪技术和造雪质量提出了更高要求，而人工造雪的质量与造雪喷嘴雾化特性密切相关。研究了不同喷嘴干涉作用和气液质量混合比（

glr

）对喷雾场液滴粒径分布和碰撞机制的影响。其中，喷嘴间距（

）代表喷嘴间的干涉程度，

glr

表示同一喷嘴下不同混合扰动程度。通过激光粒度测量仪和高速摄像机分别对喷雾场内液滴速度和粒径分布进行测量，并基于韦伯数（

）分析了喷雾场中液滴的破碎与碰撞。结果表明：不同间距下双喷嘴的流场轴向速度均大于单喷嘴的流场轴向速度，当

为10、15 cm时，轴向速度峰值分别为5.6、5.5 m/s。在液滴的破碎和聚并作用下，液滴粒径随着轴向距离增加，液滴尺寸先减小后增大。而双喷嘴喷雾场之间的干涉加剧了液滴的破碎碰撞，其

高于单喷嘴条件下

。分析不同布置条件下的双喷嘴流场发现，

glr

=0.10、

=15 cm时粒径分布较均匀。

Abstract

With global warming and the rapid growth of the ski industry

the demand for artificial snowmaking technology and improved snow quality has increased

both of which are closely linked to the atomization characteristics of snowmaking nozzles. In this study

the influences of different nozzle interferences and gas-liquid mass mixing ratios (

glr

) on the droplet size distribution and collision mechanism in a spray field were investigated. The nozzle spacing (

) represents the degree of interference between the nozzles

whereas

glr

signifies the varying degrees of mixing disturbance under identical nozzles. The velocity and size distribution of the droplets in the spray field were measured using a laser particle size measuring instrument and a high-speed camera

whereas the fragmentation and collision of the droplets in the spray field were analyzed b

ased on the Weber number (

). The results indicated that the axial velocity of double nozzles exceeded that of single nozzles at varying spacing intervals. Specifically

when the nozzle spacing was 10 cm and 15 cm

the peak axial velocities were recorded as 5.6 m/s and 5.5 m/s

respectively. The droplet size underwent a non-monotonic variation with the axial distance because of the competition between fragmentation and coalescence

which initially decreased before increasing. The interaction between the spray fields of the two nozzles enhanced the droplet collision

resulting in a higher

number than the individual nozzles. Analysis of the flow field of double nozzles under different arrangement conditions revealed that a higher level of uniformity in particle size distribution was observed when

glr

=0.10 and

=15 cm.

关键词

Keywords

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