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EX/8.28 Air flows across a 4 cm square cylinder with a velocity of 10 m/s. The...

EX/8.28

Air flows across a 4 cm square cylinder with a velocity of 10 m/s. The air is at 25°C while the
surface is at 75°C. Determine the heat transfer rate if (i) flow is along the diagonal (ii) flow is
along face (or perpendicular to face).

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