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Simulation and Optimization of Refrigerant Side of Ice Mold Evaporator in Direct Cooling Ice Maker
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Bowen Zhang1, Zhiqiang Zhang2, Hongxia Zhao1, Gongming Xin1, Yiguang Cheng2, Guangpeng Li3
Journal of Refrigeration | 2025, 46(5) : 86 - 95
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Journal of Refrigeration | 2025, 46(5): 86-95
Simulation and Optimization of Refrigerant Side of Ice Mold Evaporator in Direct Cooling Ice Maker
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Bowen Zhang1, Zhiqiang Zhang2, Hongxia Zhao1, Gongming Xin1, Yiguang Cheng2, Guangpeng Li3
Affiliations
  • 1.School of Energy and Power Engineering, Shandong University, Jinan, 250061, China
  • 2.Shandong Baocheng Refrigerating Equipment Co., Ltd., Liaocheng, 252400, China
  • 3.College of Cold Chain Logistics and Supply Chain Industry, Shandong Institute of Commerce and Technology, Jinan, 250103, China
Published: 2025-10-16 doi: 10.12465/j.issn.0253-4339.2025.05.086
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Quantitative research on the industrial application of direct cooling ice makers is limited, resulting in a lack of clarity in control mechanisms and inadequate heat transfer capability and uniformity in ice making. A mathematical model focusing on the refrigerant side of the ice mold evaporator was established, and a MATLAB simulation model was used to analyze the changes in heat transfer and flow parameters in the flow direction throughout the ice-making process, with comparisons drawn between the experimental data and the simulation results. The heat transfer rate before water icing was approximately 30% higher than that after water icing, and the refrigerant flow rates were significantly different. The heat flux in the superheat region decreased by 40.9% compared to that in the two-phase region, and reducing the superheat section can significantly enhance heat transfer and improve temperature uniformity. The thermal resistances of the water and ice sides accounted for 93.4% and 91.7% of the total resistance, respectively. Thus, the heat transfer of the water side or ice side should first be improved to optimize heat transfer. The simulation model can predict the change in the flow rate and simulate the superheat section, which provides a theoretical basis and practical guidance for the design and operation control of an ice-making machine and helps to improve the product performance and accelerate the ice-making process.

direct cooling ice maker  /  ice mold evaporator  /  refrigerant
Bowen Zhang, Zhiqiang Zhang, Hongxia Zhao, Gongming Xin, Yiguang Cheng, Guangpeng Li. Simulation and Optimization of Refrigerant Side of Ice Mold Evaporator in Direct Cooling Ice Maker[J]. Journal of Refrigeration, 2025 , 46 (5) : 86 -95 . DOI: 10.12465/j.issn.0253-4339.2025.05.086
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Article Info
doi: 10.12465/j.issn.0253-4339.2025.05.086
  • Receive Date：2024-05-09
  • Online Date：2026-03-13
  • Published：2025-10-16
Article Data
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History
  • Received：2024-05-09
  • Revised：2024-06-12
  • Accepted：2024-08-26
Affiliations
    1.School of Energy and Power Engineering, Shandong University, Jinan, 250061, China
    2.Shandong Baocheng Refrigerating Equipment Co., Ltd., Liaocheng, 252400, China
    3.College of Cold Chain Logistics and Supply Chain Industry, Shandong Institute of Commerce and Technology, Jinan, 250103, China

Corresponding:

Zhao Hongxia, female, professor, School of Energy and Power Engineering, Shandong University, 86-531-88399475, E-mail: . Research fields: theoretical analysis of new cycle of CO2 refrigeration heat pump, jet refrigeration technology, theoretical research of injectors.
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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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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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