engineering recuitment BEL Probationary Engineers Mock Test 2025 Fluid Mechanics Laminar Flow Laminar Flow through Pipe
Which of the following equations is correct for the Reynolds number?
(Where, D is diameter of the pipe, V is mean velocity of flow in the pipe, v is kinematic viscosity of the fluid)
1
Reynolds number = V/Dv
2
Reynolds number = Dv/V
3
Reynolds number = VDv
4
Reynolds number = VD/v