Air ( = 1.4 kg/m 3 ) flows in a straight round tube. The mean velocity is

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Air (ρ = 1.4 kg/m³) flows in a straight round tube. The mean velocity is 22 m/s. The friction factor is 0.03. Flow is fully developed. Calculate the wall shear stress in units of P_a. Choose the closest answer (P_a):

(a) 1.0,

(b) 1.5,

(d) 2.5,

(e) 3.5.

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Engineering Fluid Mechanics

ISBN: 9781118880685

11th Edition

Authors: Donald F. Elger, Barbara A. LeBret, Clayton T. Crowe, John A. Robertson

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Question Posted: Jun 22, 2021 06:19 AM

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Air ( = 1.4 kg/m 3 ) flows in a straight round tube. The mean velocity is

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Let density of fluid v velocity of fluid f friction f...View the full answer

Engineering Fluid Mechanics

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