Which of the following is directly concerned with the heat transfer ?
Correct answer: D. Grashoff number
- A. Strouhal number
- B. Sherwood number
- C. Euler number
- D. Grashoff number
Explanation
The Grashof number measures the relative importance of buoyancy to viscous forces and is central to natural-convection heat transfer. Strouhal and Euler numbers describe flow behaviour, while Sherwood concerns mass transfer.
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