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Determine whether heat transfer by free convection

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Reference no: EM131306472

A horizontal, 25-mm diameter cylinder is maintained at a uniform surface temperature of 35°C. A fluid with a velocity of 0.05 m/s and temperature of 20°C is in cross flow over the cylinder. Determine whether heat transfer by free convection will be significant for

(i) air,

(ii) water,

(iii) engine oil, and

(iv) mercury.

Reference no: EM131306472

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