Cartridge heater - Heater power - Convection coefficients in air.xls
KNOWN: Dimensions of a cartridge heater. Heater power. Convection coefficients in air and water at a prescribed temperature.
FIND: Heater surface temperatures in water and air.
ASSUMPTIONS: 1) Steady-state conditions.
2) All of the electrical power is transferred to the fluid by convection.
3) Negligible heat transfer from ends.
Fundamentals of Heat and Mass Transfer - Frank P. Incropera
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