Engineering, 24.09.2019 00:30, aebacchieri
Acartridge electrical heater is shaped as a cylinder of length l=200mm and outer diameter d=20 mm. under normal operating conditions the heater dissipates 2kw while submerged in a water flow that is 20β and provides a convection heat transfer coefficient of β = 5000 w/m2k. neglecting heat transfer from the ends of the heater, determine its surface temperature . if the water flow is in advertently terminated while the heater continues to operate, the heater surface is exposed to air that is also at 20β but for which β = 50 w/m2k. what is the corresponding surface temperature?
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Acartridge electrical heater is shaped as a cylinder of length l=200mm and outer diameter d=20 mm. u...
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