Determine the power input of the heater

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Reference no: EM131281918

A long, half-round cylinder is placed in an airstream with its flat face downstream. An electrical resistance heater inside the cylinder maintains the cylinder surface temperature at 50°C. The cylinder diameter is 5 cm, the air velocity is 31.8 m/s, and the air temperature is 20°C. Determine the power input of the heater per unit length of cylinder. Neglect radiation heat transfer.

Reference no: EM131281918

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