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首页> 外文期刊>International Journal of Heat and Mass Transfer >Interface conditions governing evaporation of stored liquids in presence of non-condensable gas
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Interface conditions governing evaporation of stored liquids in presence of non-condensable gas

机译：在不凝性气体存在下控制储存液体蒸发的界面条件

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摘要

Experiments were conducted to determine the variation of interface temperatures during the storage and draining of liquid nitrogen from large containers in the presence of the non-condensable gas. A chilled layer was seen to be formed at the interface in the presence of the non-condensable gas and this layer advanced into the warm liquid at speeds higher than the characteristic speeds associated with thermal diffusion. A theoretical model was developed for the interface temperatures considering the evaporation from the stratified layer in the stored column of liquid. The predictions of the model were shown to compare well with the experimental measurements. A correlation was obtained for the interface temperatures when the proportion of the non-condensable gas was varied.
机译：进行实验以确定在不凝性气体存在下从大型容器中储存和排放液氮期间界面温度的变化。可以看出，在存在不可凝气体的情况下，在界面处形成了一层冷却层，该层以高于与热扩散相关的特征速度的速度前进到温暖的液体中。针对界面温度建立了理论模型，其中考虑了从液体存储柱中分层层的蒸发。结果表明，模型的预测与实验测量值可以很好地比较。当不可冷凝气体的比例变化时，获得了界面温度的相关性。

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