Numerical Simulation of Freezing Process in Ice Tank Driven by Cold Air

Abstract

Abstract:Cold air is one key factor affecting the freezing process of ice tanks. The volume of fluid method is employed to simulate the freezing process of water in an ice tank with cold air inlets. The temperature field distribution in the ice tank is calculated. The temperature field at different typical instants are compared. The main characteristics of the freezing process in an ice tank driven by cold air are analyzed. The influence of the number of cold air inlets on the freezing process is investigated. The numerical results show that with increasing the number of cold air inlets, the temperature field becomes more uniform. The inlet velocity of cold air has a great influence on the generation of ice. This work can serve for the design of the ice tank and control of the freezing process.

Key words:ice tank, temperature field, laboratory freezing, freezing simulation, volume of fluid method

摘要：冷空气是影响冰水池结冰过程的关键因素之一。采用流体体积法模拟了带有冷空气入口的冰水池冻结过程，计算了冰水池内的温度场分布，比较了不同典型瞬间冰水池的温度场，分析了冷空气驱动下冰水池结冰过程的主要特点，研究了冷空气入口数量对冷冻过程的影响。数值结果表明，随着冷空气入口数量的增加，冰水池的温度场变得更加均匀。冷空气的速度对冰的产生有很大的影响。这项工作可以为冰水池的设计和结冰过程的控制提供参考。

关键词:冰水池，温度场，实验室制冷，结冰模拟，流体体积法

CLC Number:

U661.73

DING Shifeng, ZHOU Li, GU Yingjie, LIU Renwei, HU Yangfan, LIU Zhibing. Numerical Simulation of Freezing Process in Ice Tank Driven by Cold Air[J]. J Shanghai Jiaotong Univ Sci, 2025, 30(6): 1265-1275.

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