低温粮食储存用蓄冷冰球传热性能强化研究  

Heat transfer enhancement of ice storage capsules for the storage of grain in low temperature

作　　者：赵越 王艳梅 温筱淇 夏学楠 赵陈哲 Zhao Yue;Wang Yanmei;Wen Xiaoqi;Xia Xuenan;Zhao Chenzhe(Wuxi COFCO Engineering&Technology Co.,Ltd.,Wuxi 214035;College of Electrical,Energy and Power Engineering,Yangzhou University,Yangzhou 225127)

机构地区：[1]无锡中粮工程科技有限公司,无锡214035 [2]扬州大学电气与能源动力工程学院,扬州225127

出　　处：《粮食与食品工业》2024年第3期9-12,共4页Cereal & Food Industry

摘　　要：基于蓄冷冰球的冰蓄冷是一种封装式的高效蓄冷技术,可以起到“削峰填谷”的作用,在减少能耗的情况下实现粮食的高效储存。本文基于enthalpy-porosity方法对内置了分叉针肋的蓄冷冰球装置进行数值模拟研究,分析了典型的蓄冰过程,明确了肋片对蓄冷冰球装置的必要性。进一步分析了肋片长度比a对蓄冰过程中的温度响应、蓄冰完成时间和蓄冷量的影响,从而为内置分叉针肋的蓄冰装置的设计明确了方向。Encapsulated ice storage is an efficient cooling energy storage technology that is beneficial for peak-load shifting of the power grid and can achieve efficient grain storage in low temperature with reduced energy consumption.This paper conducts a numerical simulation study on the ice storage capsules configured with branching pin fins based on the enthalpy-porosity method.The typical solidification process is analyzed to clarify the necessity of fins for ice storage capsules.Furthermore,the impact of the fin length ratio a on the temperature response,fully solidification time and cooling energy storage capacity is discussed,thereby providing a clear direction for the design of encapsulated ice storage devices.

关 键 词：冰蓄冷 分叉针肋 数值模拟 性能强化 

分 类 号：TS201[轻工技术与工程—食品科学]