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Cooling Mode - Heat Flux

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Cooling modes and maximum heat transfer flux:

Cooling Mode - Heat Flux
Cooling ModeHeat Flux
(kW/m2)
Free Convection Air 0.5
Forced Convection Air 5
Free Convection Immersion 10
Forced Convection Immersion 500
Forced Convection Boiling 1000
Impingement Air 10
Jet Immersion, single phase 400
Jet Immersion, boiling 900
  • 1 Btu/ ft2 h = 3.1525 W/m2

Based on 85oC surface temperature and 20oC ambient temperature.

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Related Topics

Thermodynamics

Work, heat and energy systems.

Related Documents

Aluminum - Radiation Heat Emissivity

Radiation heat emissivity of unoxidized, oxidized and polished aluminum.

Conductive Heat Transfer

Conductive heat transfer takes place in a solid if there is a temperature gradient.

Heat Transfer Coefficients in Heat Exchanger Surface Combinations

Average overall heat transmission coefficients for fluid and surface combinations like Water to Air, Water to Water, Air to Air, Steam to Water and more.

Radiation Heat Transfer

Heat transfer due to emission of electromagnetic waves is known as thermal radiation.

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