Journal of Shandong University(Engineering Science) ›› 2025, Vol. 55 ›› Issue (6): 83-89.doi: 10.6040/j.issn.1672-3961.0.2024.080

• 能动工程——热管理专题 • Previous Articles    

Modeling on icing process of large direct cooling ice maker

WANG Xiaopeng1, ZHANG Zhiqiang2, ZHAO Hongxia1*, BAI Chao1, CHENG Yiguang2, GAO Chenchen3, LI Guangpeng4   

  1. WANG Xiaopeng1, ZHANG Zhiqiang2, ZHAO Hongxia1*, BAI Chao1, CHENG Yiguang2, GAO Chenchen3, LI Guangpeng4(1. School of Nuclear Science, Energy and Power Engineering, Shandong University, Jinan 250061, Shandong, China;
    2. Shandong Baocheng Refrigeration Equipment Co., Ltd., Liaocheng 252400, Shandong, China;
    3. Shandong Shenzhou Refrigeration Equipment Co., Ltd., Jinan 250220, Shandong, China;
    4. Cold Chain Logistics and Supply Chain Industry College, Shandong Institute of Commerce and Technology, Jinan 250103, Shandong, China
  • Published:2025-12-22

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Abstract: This study divided the ice making process into four stages based on the heat transfer form of the ice-making unit of the large direct-cooled ice maker and the change of internal phase state: the convective heat transfer cooling process of water, the conductive heat transfer cooling process of water, the freezing process of water, and the cooling process of ice. By using energy conservation equations and heat transfer equations, mathematical models of each unit in the whole ice-making process were established, and the time of each stage was solved by MATLAB software programming. In this study, the icing process in the ice making unit of a large direct-cooled ice maker was experimentally determined. It had been verified that the calculation errors of each stage of the heat transfer model were all within 8.00%, and the total error was less than 4.00%, which indicated the high accuracy of the model. This study provided technical guidance and theoretical support for the design optimization of a large direct-cooled ice maker.

Key words: direct cooling ice maker, heat transfer process, mathematical model, ice making principle, solution program

CLC Number: 

  • TB657.1
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