Affinity laws

（重定向自Affinity law）

The affinity laws for pumps/fans are used in hydraulics and/or HVAC to express the relationship between variables involved in pump or fan performance (such as head, volumetric flow rate, shaft speed) and power. They apply to pumps, fans, and hydraulic turbines. In these rotary implements, the affinity laws apply both to centrifugal and axial flows.

单词	Affinity law
释义	Affinity law 英语百科 Affinity laws （重定向自Affinity law） The affinity laws for pumps/fans are used in hydraulics and/or HVAC to express the relationship between variables involved in pump or fan performance (such as head, volumetric flow rate, shaft speed) and power. They apply to pumps, fans, and hydraulic turbines. In these rotary implements, the affinity laws apply both to centrifugal and axial flows.
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