CFD Simulation of Heat and Mass Transfer during Vacuum Cooling Process for Cabbage

Wang Xueqin; Liu Baolin; Yan Jingwen

doi:10.3969/j.issn.0253-4339.2012.01.065

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CFD Simulation of Heat and Mass Transfer during Vacuum Cooling Process for Cabbage

更新时间：2024-07-18

- CFD Simulation of Heat and Mass Transfer during Vacuum Cooling Process for Cabbage
- Journal of Refrigeration Issue 1, (2012)
- 作者机构：
  
  上海理工大学低温生物与食品冷冻研究所
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0253-4339.2012.01.065
  CLC：
- Published：2012
- 稿件说明：
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Wang Xueqin, Liu Baolin, Yan Jingwen. CFD Simulation of Heat and Mass Transfer during Vacuum Cooling Process for Cabbage[J]. Journal of refrigeration, 2012, (1).
DOI：

Wang Xueqin, Liu Baolin, Yan Jingwen. CFD Simulation of Heat and Mass Transfer during Vacuum Cooling Process for Cabbage[J]. Journal of refrigeration, 2012, (1). DOI： 10.3969/j.issn.0253-4339.2012.01.065.

摘要

有效的真空预冷模拟能减少实验投入，缩短试验周期，具有重要的理论意义和现实意义。综合考虑了非稳态传热和质量守恒

建立了球形果蔬真空冷却的温度和质量数学模型，并以卷心菜为例进行了模拟和实验。实验结果表明，模拟数据与实验数据较吻合

温度误差在4%以内

质量损失误差在6.5%以内，说明该数学模型可用来模拟真空冷却过程，对实际应用具有一定的指导意义。

Abstract

Effective vacuum cooling simulation has the advantage of low cost and short period

and therefore is important in theory and application. Based on the theories of unsteady heat transfer and mass conservation

a mathematical model developed by CFD software is used to predict the variation process of temperature and mass during vacuum cooling for cabbage. The simulative result matches well with the experimental data. The error between simulation and test result is no more than 4 percent for temperature

and no more than 6.5 percent for weight. So the mathematical model can benefit for the practical application of vacuum cooling.

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School of Energy and Power Engineering，University of Shanghai for Science and Technology

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