Heat and Mass Transfer

The ratio of the thickness of thermal boundary layer to the thickness of hydrodynamic boundary layer is equal to (Prandtl number) n, where n is equal to_____.

  • A. -1/3
  • B. -2/3
  • C. 1
  • D. -1
Answer: Option A.
Explanation:

The ratio of the thickness of thermal boundary layer to the thickness of hydrodynamic boundary layer is equal to -1/3.

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