3.16 Air is flowing with a uniform laminar flow in a horizontal duct with a square cross section. The duct is 1 ft x 1 ft x 100 ft long, and the air flows at a rate of 1000 ft/min. If an aerosol of 10-µm iron-oxide spheres (P, = 5.2 g/cm³) is uniformly distributed across the inlet, what fraction of entering particles will leave the 100-foot section? Assume that a particle sticks if it hits the bot- %3D tom of the duct. ANSWER: 0.69.

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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3.16 Air is flowing with a uniform laminar flow in a horizontal duct with a square
cross section. The duct is 1 ft x 1 ft x 100 ft long, and the air flows at a rate
of 1000 ft/min. If an aerosol of 10-µm iron-oxide spheres (P, = 5.2 g/cm³)
is uniformly distributed across the inlet, what fraction of entering particles
will leave the 100-foot section? Assume that a particle sticks if it hits the bot-
%3D
tom of the duct.
ANSWER: 0.69.
Transcribed Image Text:3.16 Air is flowing with a uniform laminar flow in a horizontal duct with a square cross section. The duct is 1 ft x 1 ft x 100 ft long, and the air flows at a rate of 1000 ft/min. If an aerosol of 10-µm iron-oxide spheres (P, = 5.2 g/cm³) is uniformly distributed across the inlet, what fraction of entering particles will leave the 100-foot section? Assume that a particle sticks if it hits the bot- %3D tom of the duct. ANSWER: 0.69.
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