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s carried along by the air flow. The's s volume flow rate / flow area, repr water film is 2 mm and the thicknes quations and interfacial boundaryc

s carried along by the air flow. The's s volume flow rate / flow area, repr water film is 2 mm and the thicknes quations and interfacial boundaryc

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Consider a system where a horizontal, laminar, separated flow of air and water at 100 kPa pressure and 20 C temperature are moving between two infinitely-sized parallel plates. The water flow is not forced, but is carried along by the air flow. The 'superficial velocity' of the air is 0.1 m/s (superficial velocity is volume flow rate / flow area, representing the average velocity of the flow). The depth of the water film is 2 mm and the thickness of the air layer is 5 mm. Use the multiphase balance equations and interfacial boundary conditions to derive the velocity profile in the air and water, with y=0 being the interface between the two.
Transcribed Image Text:Consider a system where a horizontal, laminar, separated flow of air and water at 100 kPa pressure and 20 C temperature are moving between two infinitely-sized parallel plates. The water flow is not forced, but is carried along by the air flow. The 'superficial velocity' of the air is 0.1 m/s (superficial velocity is volume flow rate / flow area, representing the average velocity of the flow). The depth of the water film is 2 mm and the thickness of the air layer is 5 mm. Use the multiphase balance equations and interfacial boundary conditions to derive the velocity profile in the air and water, with y=0 being the interface between the two.
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