Q 2- The Nusselt number for flow in a tube is given by Nu = C₁ Rea Prb where the constants, C1, a, and b are 0.023, 0.8, and 0.3, respectively. Estimate a mass-transfer coefficient for moist air flowing in a 30 cm tube with a diameter of 10 cm at the rate of 0.3 m3/s. Assume standard air, Prandtl number is 0.7 and unity Lewis number.

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Chapter6: Forced Convection Over Exterior Surfaces
Section: Chapter Questions
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Q 2- The Nusselt number for flow in a tube is given by
Nu = C₁ Rea Prb
where the constants, C1, a, and b are 0.023, 0.8, and 0.3, respectively. Estimate a mass-transfer
coefficient for moist air flowing in a 30 cm tube with a diameter of 10 cm at the rate of 0.3 m3/s.
Assume standard air, Prandtl number is 0.7 and unity Lewis number.
Transcribed Image Text:Q 2- The Nusselt number for flow in a tube is given by Nu = C₁ Rea Prb where the constants, C1, a, and b are 0.023, 0.8, and 0.3, respectively. Estimate a mass-transfer coefficient for moist air flowing in a 30 cm tube with a diameter of 10 cm at the rate of 0.3 m3/s. Assume standard air, Prandtl number is 0.7 and unity Lewis number.
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