The equation, (NSt × N2/3 Pr) = f/2, is the ____________ analogy ?
Correct answer: D. Colburn
- A. None of these
- B. Reynolds
- C. Prandtl
- D. Colburn
Explanation
The relation St Pr^(2/3) = f/2 is the Colburn heat-and-momentum-transfer analogy. The Prandtl analogy lacks the Prandtl-number correction factor, while the Reynolds analogy applies more limited conditions.
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