What is formula for Reynolds number (Re)? - Heat Transfer

Q.  What is the formula for Reynolds number (Re)?
Where,
ρ = density of the fluid
μ = viscosity of the fluid
D = tube diameter through which fluid is flowing
v = velocity of the fluid
- Published on 11 Aug 15

a. (Re) = (D v ρ) / μ
b. (Re) = (D ρ μ) / v
c. (Re) = (D v μ) / ρ
d. none of the above

ANSWER: (Re) = (D v ρ) / μ

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