Straight metal fins (k = 45 W/m °C) of triangular profile installed on a 1 m × 1 m wall The wall is maintained at 200 °C and are exposed to a convection environment at 25 °C with h = 204 W/m² °C. The fins have a length of 8 mm and a thickness of 2 mm. The space between two adiacent fins is 3 mm. Calculate (a) the fin efficiency, (b) the heat transfer from one (1) fin, (c) the heat transfer from one open space between two adjacent fins (d) the heat transfer rate from this finned wall, (e) the fin effectiveness,

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