3. Air at 300 K and 1 atm pressure flows along a flat plate at 2 m/s. For x <5 cm, T, = 300 K, whereas for 5 cm

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3. Air at 300 K and 1 atm pressure flows along a flat plate at 2 m/s. For x <5 cm, T, = 300 K,
whereas for 5 cm<x<20 cm, Ts = 330 K. Calculate the heat loss from the plate and
compare your result with the heat loss if the plate were isothermal at 330 K. Assume a
laminar boundary layer.
300 K air at 2 m/s
300 K
5 cm-
-20 cm-
330 K
Transcribed Image Text:3. Air at 300 K and 1 atm pressure flows along a flat plate at 2 m/s. For x <5 cm, T, = 300 K, whereas for 5 cm<x<20 cm, Ts = 330 K. Calculate the heat loss from the plate and compare your result with the heat loss if the plate were isothermal at 330 K. Assume a laminar boundary layer. 300 K air at 2 m/s 300 K 5 cm- -20 cm- 330 K
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