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Two-Phase Flow Process and Atomization Law of Nucleator Nozzle for an Outdoor Snow Maker
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Yahui Hao1, Haifeng Wu1, Rongji Xu1, Hua Zhang2, Ruixiang Wang1
Journal of Refrigeration | 2025, 46(3) : 98 - 103
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Journal of Refrigeration | 2025, 46(3): 98-103
Two-Phase Flow Process and Atomization Law of Nucleator Nozzle for an Outdoor Snow Maker
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Yahui Hao1, Haifeng Wu1, Rongji Xu1, Hua Zhang2, Ruixiang Wang1
Affiliations
  • 1.Beijing Engineering Research Centre of Sustainable Energy and Buildings, School of Environment and Energy Engineering, Beijing University of Civil Engineering and Architecture, Beijing, 100044, China
  • 2.School of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, China
Published: 2025-06-16 doi: 10.12465/j.issn.0253-4339.2025.03.098
Outline
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Nucleator nozzles play an important role in promoting the rapid nucleation, crystallization, and snow formation of artificial snow droplets. A visual experimental platform was designed to investigate the gas-liquid two-phase flow process inside the nucleator nozzle and its influence on atomization behavior. The results showed the presence of a two-phase annular flow within the nucleator nozzle and a continuous hollow-cone spray field outside the nucleator nozzle. As the gas-liquid pressure ratio (ΦGL) increases, the interfacial disturbance waves at the gas-liquid interface of the internal flow gradually disappear. As the air core occupied more space, the liquid film thickness gradually decreased and became uniform and stable. This markedly improved the atomization efficiency and quality. When the ΦGL was increased from 20% to 67%, the uniformity and stability of droplet distribution increased by 17% and 60%, respectively. This research offers important guidance for the structural design of high-performance atomized components.

outdoor snowmaker  /  nucleator nozzle  /  internal flow pattern  /  droplet distribution  /  high-tech Winter Olympics
Yahui Hao, Haifeng Wu, Rongji Xu, Hua Zhang, Ruixiang Wang. Two-Phase Flow Process and Atomization Law of Nucleator Nozzle for an Outdoor Snow Maker[J]. Journal of Refrigeration, 2025 , 46 (3) : 98 -103 . DOI: 10.12465/j.issn.0253-4339.2025.03.098
Funding
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  • National Natural Science Foundation of China(52306220)
Appendix
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Year 2025 volume 46 Issue 3
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Article Info
doi: 10.12465/j.issn.0253-4339.2025.03.098
  • Receive Date：2023-12-26
  • Online Date：2026-03-13
  • Published：2025-06-16
Article Data
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History
  • Received：2023-12-26
  • Revised：2024-02-12
  • Accepted：2024-04-02
Funding
National Natural Science Foundation of China(52306220)
Affiliations
    1.Beijing Engineering Research Centre of Sustainable Energy and Buildings, School of Environment and Energy Engineering, Beijing University of Civil Engineering and Architecture, Beijing, 100044, China
    2.School of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, China

Corresponding:

Wu Haifeng, male, Ph. D., associate professor, School of Environment and Energy Engineering, Beijing University of Civil Engineering and Architecture, 86-18810906815, E-mail: . Research fields: atomization technology, refrigeration and building integrated photovoltaics, et al.
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表12种不同金属材料的力学参数
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Number of
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Number of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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