Engineering, 19.03.2021 02:10 Flameking1223
Consider water at 27C in parallel flow over an isothermal, 1-m-long flat plate with a velocity of 2 m/s. (a) Plot the variation of the local heat transfer coefficient, hx(x), with distance along the plate for three hL, N/hL,1 LN L/N, hL flow conditions corresponding to transition Reynolds numbers of (i) 5 105 , (ii) 3 105 , and (iii) 0 (the flow is fully turbulent). (b) Plot the variation of the average heat transfer coefficient with distance for the three flow conditions of part (a). (c) What are the average heat transfer coefficients for the entire plate for the three flow conditions of part (a)
Answers: 1
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The power source in a certain welding setup generates 3500w that is transferred to the low carbon steel work with a heat transfer factor of 0.85. the melting factor in the operation is 0.45. a continuous fillet weld is to be made with a cross-sectional area of 23 mm2 determine the travel speed at which the welding can be accomplished.
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Consider water at 27C in parallel flow over an isothermal, 1-m-long flat plate with a velocity of 2...
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