熱水循環回水管道

Overview

Engineering reference data for Hot Water Circulation Return Pipe in water systems.

Key Formulas

Hydrostatic Pressure

$P = \rho g h$

Pressure due to water column.

Flow Rate

$Q = A v$

Area × velocity.

Variables

Symbol	Description	Unit
$P$	Pressure	Pa
$Q$	Flow rate	m³/s
$h$	Head/depth	m

References

• Original Source