A tlat plate of length L and height d is placed at a wall andis parallel to an approaching boundary layer, as in Fig..Assume that the flow over the plate is fully turbulentand that the approaching flow is a one-seventh-power law:и(у) — UUsing strip theory, derive a formula for the drag coefficientof this plate. Compare this result with the drag of the sameplate immersed in a uniform stream U,.-L-y = 6/ и(у)

Consider a strip (shown in green colour) of height dy and length as same as the length of the plate,…

Answered: A tlat plate of length L and height d…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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A ship is towing a sonar array that approximates a submergedcylinder 1 ft in diameter and 30 ft long with itsaxis normal to the direction of tow. If the tow speed is12 kn (1 kn = 1.69 ft/s), estimate the horsepower requiredto tow this cylinder. What will be the frequency of vorticesshed from the cylinder? Use Figs.
Consider the boundary layer flow = 1 - (1 − 2)¹5, 0
A portion of ship’s hull can be idealized as a flat plate, 100ft long. If the ship’s velocity is 10 ft/s and the properties of the water it is moving through are ρ=62.4lbm/ft³ and µ=3.0lbm/hr.ft, calculate the maximum boundary layer thickness.
Question A3 a) With the help of sketches briefly describe the main differences between laminar and turbulent boundary layers in relation to friction drag and flow separation. A tug boat is pulling a log raft (Figure QA3) on the surface of a lake at a constant speed of Uboat = 5m/s. The log raft can be modelled as a flat plate (L=20m and W = 5.0m). u ug U boat 8 U Tug Boat rope boat Air Water L -X Log Raft Figure QA3 Assume the boundary layer forming on both sides (air side and water side) of the log raft is two-dimensional and laminar with a second order velocity distribution: W b) By using the Momentum Integral Equation find an expression for the wall shear stress in terms of Reynolds number and then estimate the tensile stress acting on the rope assuming the rope has a circular cross section with a diameter of 15 mm) and the power required to pull it. c) What would be the tensile stress on the rope if we assume the boundary layers on the log raft were turbulent? You may assume:…
For flow over a smooth plate, what approximately is the maximum length of the boundary layer if V_o = 9.0 m/s in the irrational uniform flow and the fluid is air? Water?
Please help, I don't know how to do whats being asked. We have never split a flat plate in half for Shear force. Only know how to split the boundary layer from the uniform portion.

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