9.20 Air enters a square duct through a 1-ft opening as is shownin Fig. P9.20. Because the boundary layer displacement thicknessincreases in the direction of flow, it is necessary to increase thecross-sectional size of the duct if a constant U= 2 ft/s velocity isto be maintained outside the boundary layer. Plot a graph of theduct size, d, as a function of x for 0 sxs 10 ft if U is to remainconstant. Assume laminar flow.2 ft/sdix)2 ft/s1 ftFIGURE P9.20

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9.20 Air enters a square duct through a 1-f in Fig. P9.20. Because the boundary layer d increases in the direction of flow, it is nec cross-sectional size of the duct if a constant to be maintained outside the boundary laye duct size, d, as a function of x for 0≤x≤ constant. Assume laminar flow. 2 ft/s 1 ft

9.20 Air enters a square duct through a 1-f in Fig. P9.20. Because the boundary layer d increases in the direction of flow, it is nec cross-sectional size of the duct if a constant to be maintained outside the boundary laye duct size, d, as a function of x for 0≤x≤ constant. Assume laminar flow. 2 ft/s 1 ft

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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