| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve the accuracy of calculation of a target COP by giving a loss-equivalent temperature difference depending on the performance of an evaporator, when calculating the target COP by giving an actual device loss as a correction term to a COP characteristic under an ideal lossless environment. <P>SOLUTION: A calculating section 103 calculates a target COP that is a maximum COP that a turbo refrigerator can achieve using an arithmetic expression in which an actual device loss is given as a correction term to an expression that represents a COP characteristic under an ideal lossless environment. Since the arithmetic expression for calculating the target COP includes the heat exchange loss of the evaporator as a correction term, the heat exchange loss being calculated using a function having a load factor as a parameter, the heat exchange loss of the evaporator is reflected in the target COP. <P>COPYRIGHT: (C)2013,JPO&INPIT |
