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4) Air at 101 kPa and 360 K flows at 15 m/s over a flat plate...

4) Air at 101 kPa and 360 K flows at 15 m/s over a flat plate maintained at 300 K Assume that the transition Reynolds number

4) Air at 101 kPa and 360 K flows at 15 m/s over a flat plate maintained at 300 K Assume that the transition Reynolds number is 5x10 (0.332R 12Pr1/3 Re < 5 x 105 0.029Repr0:43 5 x 105 < Re <3 x 107 Assume that k-0.03 W/( mK), 20x10* m?ls, Pr-0.7.p=1.16 kg/m a) If the plate is 2 m long, sketch the local heat transfer coefficient over the plate. Specify the functional form of h with respect tox b) For the 2 m long plate, sketch the local wall shear stress over the plate. c) For a case where the plate length is variable, sketch the total heat transfer rate per unit width to the plate as a function of plate length. Specify the approximate functional dependence of Q' with respect to plate length d) Calculate the heat total heat transfer rate per unit width to the plate for a 1.0 m long plate e) For a laminar boundary layer, using a scaling perspective, how does Nu, vary with 8x)? 1) Is this scaling valid for a turbulent boundary layer? Answer yes or no. h(x)
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In the given zuestion we have to Plot the graph between different parameter with respect to the length of the Plate. As All P* to sketch † the local heat tromster Coettinent non We know Wuna K. = 0.332 Ren/2 pr % - for = 0.029 Rens pro:43 - Laminer -(b). To sketch graph b/w Local wall shear stress us n. ble know the formule for local wall shear stress 17. = Gux Pu2 p= 66 1Ensim Lyr1.5 Luram Techin 21.66 54.8 68.98 65.12 Consider 0ทร์- wiath. 649.8 w/ 4468 6208.2 78 14.4 Froo. 07814.4 w OLL) GrooFor Laminer Boundar Nur= 0.332 Rena pris. and boundary layer thicknen p Sim sy men le s(m) x (Renya and Win a Renta 7 Hona Re

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