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THE USE OF CFD TO IMPROVE THE PERFORMANCE OF A PARTIALLY LOADED COLD STORE

机译:使用CFD改善部分加载的冷库的性能

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A transient three-dimensional computational fluid dynamics model was developed to investigate the cooling performance of a partially loaded cold store in cooling process. The model accounted for turbulence by means of the standard k-ε model with standard wall profiles. The model was validated successfully in cooling experiments with a mean error of 0.36 m/s and 1.4C for the air velocity in a refrigerated room and the temperature of the product, respectively. Based on the model, we studied the effect of different loading patterns of corrugated fiberboard containers filled with products in a cold store on cooling effectiveness. As a result, flat loading with air gaps was the optimal configuration to achieve high uniformity of temperature and rapid cooling. The findings of this study can help to elucidate and improve the cooling performance of refrigerated rooms for storing agricultural products.
机译:建立了瞬态三维计算流体动力学模型,以研究部分负载冷库在冷却过程中的冷却性能。该模型通过具有标准壁轮廓的标准k-ε模型解决了湍流问题。该模型已在冷却实验中成功验证,冷藏室中的空气速度和产品温度的平均误差分别为0.36 m / s和1.4C。基于该模型,我们研究了冷库中装有产品的瓦楞纸箱的不同装载方式对冷却效果的影响。结果,具有气隙的平坦负载是实现温度均匀性和快速冷却的最佳配置。这项研究的结果可以帮助阐明和提高冷藏室用于存储农产品的冷却性能。

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