Question

Air at 40°C flows with a velocity of 7 m/s over a 5 m long and 4 m wide surface of aflat plate whose surface temperature is 80°C. Find the rate of heat transfer from thelaminar flow region of the surface. (For air at 40°C, v=1.702x10-mº/s, Pr = 0.7255,k = 0.02662 W/m.K).a) 1.796 kWb) 2.543 kWc) 0.796 kWd) 2.321 kW​

Answer 1

Air at 40°C flows with a velocity of 7 m/s over a 5 m long and 4 m wide surface of aflat plate whose surface temperature is 80°C. Find the rate of heat transfer from thelaminar flow region of the surface. (For air at 40°C, v=1.702x10-mº/s, Pr = 0.7255,k = 0.02662 W/m.K).a) 1.796 kWb) 2.543 kWc) 0.796 kWd) 2.321 kW

Step-by-step explanation:

0.795 final answer