Reynolds number (Re) is: an experimental number used to predict the flow velocity. a number with certain dimensions a non-dimensional velocity a number which differentiates between types of flows like laminar, turbulent, and transitional.
Question
Reynolds number (Re) is:
- an experimental number used to predict the flow velocity.
- a number with certain dimensions
- a non-dimensional velocity
- a number which differentiates between types of flows like laminar, turbulent, and transitional.
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Answer
The correct options are:
- A - An experimental number used to predict the flow velocity.
- C - A non-dimensional velocity.
- D - A number which differentiates between types of flows like laminar, turbulent, and transitional.
Reynolds number is an experimental number used to predict the flow velocity in fluid dynamics. It is a non-dimensional quantity defined as the ratio of a fluid's inertia force to its viscous forces. This number is essential for differentiating between types of fluid flow, such as laminar, turbulent, and transitional flows.
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