Symbol in context

$\dot{V}$

This entry links every published equation using this exact notation. Its meaning may change between equations.

Meanings in context

Editorial equation guide

Volume flow rate

The volume of fluid passing through the loop each second. Its SI unit is cubic metres per second. Multiplying it by density gives the mass flow rate.

Read equation 1 in The Physical Plant: Power, Cooling, and Networks in an AI Datacenter →

Used in 1 equation

\dot{Q} = \dot{m}\,c_p\,\Delta T = \rho\,\dot{V}\,c_p\,\Delta T,

The Physical Plant: Power, Cooling, and Networks in an AI Datacenter · Equation 1

Cooling power equals fluid mass flow × specific heat capacity × temperature rise. Density converts volume flow into mass flow.

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