Calculate power required to maintain the surface temperature

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Reference no: EM131337130

A sphere of 25-mm diameter contains an embedded electrical heater. Calculate the power required to maintain the surface temperature at 94°C when the sphere is exposed to a quiescent medium at 20°C for:

(a) air at atmospheric pressure,

(b) water, and (c) ethylene glycol.

Reference no: EM131337130

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