本文建立了矩形封闭腔内非饱和多孔介质的二维传热传质数理模型,并对R113的蒸发相变进行了数值模拟.根据计算结果着重讨论了流体瑞利数Ra,介质达西数Da以及腔体冷热端温差△T的变化对其传热传质特性的影响,得出一些有用的可指导工程实践的结论.
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