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考虑能量利用的完善性((火用)效率)和合理性(能级匹配),提出了(火用)经济系数的表达式,并把其作为制冷方案选择 的依据,对三种制冷方案进行了(火用)经济性的计算比较。得出的结论与只考虑经济性或只考虑(火用)效率时得出的结论截然不同, 而这一结论更符合节能的目的。
Considering the perfection (exergy efficiency) and rationality (energy level matching) of energy utilization, an expression for the exergy coefficient is proposed and used as the basis for selection of the refrigeration option. The three refrigeration options The (Exergy) of the economic comparison and calculation. The conclusion drawn is quite different from the conclusion reached when considering only the economy or only the exergy efficiency, and this conclusion is more in line with the goal of energy saving.