Secondly, the curves of the cooling load per unit heat-transfer area varying with the coefficient of performance are investigated based on the fundamental optimum relation.
其次，从基本优化关系式出发，对单位面积制冷负载随制冷系数变化的曲线做详细的研究。
The results obtained from the optimum calculation show that the heat transfer area is reduced obviously under the given constraint conditions.
实例优化计算结果表明，优化设计可使多股流板翅式换热器在满足给定的约束条件下，节约大量的传热面积。
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