Numerical - Reynolds number - Hydraulics & Pneumatics

Q.  A pipe has a diameter of 0.2 m in which a fluid flows with a velocity of 0.3 m3/s. Determine whether the flow is laminar or turbulent calculating the Reynolds number. Assume kinematic viscosity = 0.5 × 10-4 m2 /s.
- Published on 17 Aug 15

a. the flow is laminar having Reynolds number 1200
b. the flow is turbulent having Reynolds number 2100
c. the flow is laminar having Reynolds number 2200
d. the flow is neither laminar nor turbulent

ANSWER: the flow is laminar having Reynolds number 1200

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