Takes a heat pump unit to calculate by the model. Obtains its performance under frosting condition.
根据该模型选择某种热泵进行了计算，得到了该热泵在结霜工况下的性能。
A design and economic optimization of ammonia air cooler under frosting condition is provided in this paper.
本文介绍了结霜工况下冷风机的经济优化设计方法。
The results of the analysis indicate that frosting condition will change under different operating conditions.
结果表明：在不同的工况下，空气侧换热器结霜情况不同；
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