Problem related to two concentric horizontal cylinders

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Question: Consider two concentric horizontal cylinders of diameters 55 cm and 65 cm, and length 125 cm. The surfaces of the inner and outer cylinders are maintained at 54°C and 106°C, respectively. Determine the rate of heat transfer between the cylinders by natural convection if the annular space is filled with

(a) water and

(b) air.

Reference no: EM131617335

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