Which among the following is the formula for Knudsen number?

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Mr. Dubey

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📊 Fluid Mechanics and Machinery

Q. Which among the following is the formula for Knudsen number?

(A) λ⁄l
(B) λ⁄2l
(C) λ⁄3l
(D) λ⁄4l

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✅ Correct Answer: (A) λ⁄l

Explanation: the formula for knudsen number is λ⁄l. knudsen number in fluid mechanics deals with gas dynamics. it is defined as the ratio of the molecular mean free path length to the representative scale length.

Explanation by: Mr. Dubey

the formula for knudsen number is λ⁄l. knudsen number in fluid mechanics deals with gas dynamics. it is defined as the ratio of the molecular mean free path length to the representative scale length.

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