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Solution for Fundamentals of Fluid Mechanics 7th Edition Chapter 9, Problem 2

by Bruce R. Munson, Alric P. Rothmayer, Theodore H. Okiishi, Wade W. Huebsch
1318 Solutions 12 Chapters 66695 Studied ISBN: 9781118116135 Physics 5 (1)

Chapter 9, Problem 2 : 9.1LP  Boundary Layer On a Flat Plate ...

9.1LP  Boundary Layer On a Flat Plate

Objective:         A boundary Layer is formed On a Flat Plate when air blows past the plate.The thickness, of the boundary layer increases with distance x from the leading edge of the plate. the purpose of this experiment is to use an apparatus in fig p9.1Lp to measure the boundary Layer thickness.

Equipment:        Wind tunnel, Flat plate, boundary Layer mouse consisting of ten pitot  tubes, positioned at various heights y above the flat plate, inclined multiple manometer, measuring calibers, barometer, thermometer.

Experimental Procedure:          position the tip of the pitot tubes of the boundary Layer mouse a known distance x, downstream from the leading edge of the plate. Use calipers to determine the distance. x between each pitot tube and the plate. Fasten the tubing from each pitot tube to the inclined multible manometer and determine the angle of of the manometer board. Adjust the wind tunnel board U to the desired value and record the manometer readings.

Calculations:          For each distance x from the leading edge use the manometer data to determine the air speed u as a function of speed a, as function of distance y, above te plate,that is obtain u=f(y) at various x location.

Graph:   Plot speed u as ordinates and distance from the plate y as abscissas for each location x tested.

Results:       Use the u=u(y) result to determine the approximate boundary layer thickness as a function of thickness=(x). Plot a graph of boundary layer thickness as a function of distance from a leading edge.

Data:     To proceed print this page for reference when you work the problem and click here to bring up an EXCEL page with the data for this problem

Step-By-Step Solution

9.1LP

 

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