6773Chemical EngineeringMedium
For laminar flow (NRe < 2100) in steel pipe, the optimum inside pipe diameter is given by________?
ADi, opt = 3 Q0.36 ρ1.86 μ0.08
BDi, opt = 3.9 Q0.45 ρ0.23
CDi, opt = 7.6 Q0.36 ρ0.9
DDi, opt = 3 Q0.36 ρ0.18
Correct answer
D. Di, opt = 3 Q0.36 ρ0.18
Explanation
The correct answer is Di, opt = 3 Q0.36 ρ0.18.