For laminar flow in circular pipes, the Darcy’s friction factor f is equal to
A. 16/Re
B. 32/ Re
C. 64/ Re
D. none of the above where R,, is Reynolds number.
Answer:C
For laminar flow in circular pipes, the Darcy’s friction factor f is equal to
A. 16/Re B. 32/ Re C. 64/ Re D. none of the above where R,, is Reynolds number.