Heat pump is a kind of heating equipment for energy-saving purpose. Its performancecoefficient is much higher than common furnace equipment.
热泵是一种节能型加热设备，其性能系数远高于普通锅炉装置。
2
Reducing the inlet temperature of cooling water and increasing its mass flow are favorable to increase refrigerant performancecoefficient, and can decrease optimal pressure at high pressure side.
降低冷却水进口温度和提高其质量流量不仅有利于提高制冷性能系数，而且能降低最佳高压侧压力。
3
The coefficient of performance at cryogenic temperatures is typically 4-5%.