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FROST GROWTH IN REGENERATIVE HEAT EXCHANGERS PART II- SIMULATION AND DISCUSSION

机译:蓄热式换热器中的结冰增长第二部分-模拟与讨论

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摘要

In this paper a numerical simulation of frost growth is compared with experimental data that was taken for similar operating conditions as those for regenerative wheels. One set of simulation results for the frost growth model (Part I) is presented to predict frost growth in a regenerative wheel with a cold supply air temperature of -40℃, a warm exhaust temperature of 20℃ and 50 % relative humidity. Cyclic and longer time duration frost properties are presented along with the spatial distribution of frost within the wheel. It is concluded that frost blockage effects will become very significant in only 20 minutes of operation.
机译:在本文中,将霜冻生长的数值模拟与在与再生轮相似的工作条件下获得的实验数据进行了比较。给出了一组霜冻生长模型的模拟结果(第一部分),以预测在冷空气温度为-40℃,排气温度为20℃和相对湿度为50%的再生轮中霜冻的生长。车轮上的霜的空间分布以及循环和较长时间的霜特性均会显示出来。得出的结论是,仅在运行20分钟后,防冻效果将变得非常明显。

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