Question:
What is the Reynolds number for flow in a pipe with a diameter of 0.05 m, velocity of 2 m/s, and kinematic viscosity of $1 \times 10^{-6}$ m\(^2\)/s?
What is the Reynolds number for flow in a pipe with a diameter of 0.05 m, velocity of 2 m/s, and kinematic viscosity of $1 \times 10^{-6}$ m\(^2\)/s?
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Reynolds number is a dimensionless number used to predict flow patterns in different fluid flow situations.
Updated On: Jun 17, 2025
- 1000
- 2000
- 4000
- 5000
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The Correct Option is A
Solution and Explanation
Reynolds number is given by: \[ Re = \frac{VD}{\nu} \] Substituting the values: \[ Re = \frac{2 \times 0.05}{1 \times 10^{-6}} = 1000 \]
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