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在投资合理时,为了节省能量,对已知换热器进口温度的变化量,去估测其出口温度之变化是重要的。这里介绍的简单方法,对多数热交换器来说,误差不超过2%。
When investment is reasonable, in order to save energy, it is important to estimate the change of outlet temperature on the change of the inlet temperature of the known exchanger. The simple method presented here does not exceed 2% error for most heat exchangers.