engineering recuitment BEL Probationary Engineers Mock Test 2025 Heat Transfer Convection Forced Convection
The Dittus-Boelter equation, used for calculating the Nusselt number for turbulent flow in tubes, is given by Nu = 0.023(Re)m(Pr)n. For heating of fluids (where fluid temperature increases along the flow direction), what are the values of m and n respectively?
1
0.7, 0.3
2
0.4, 0.6
3
0.3, 0.7
4
0.8, 0.3