2.16 Suppose that glycerin (T = 20°C) is flowing and that thepressure gradient dp/dx is -1.5 kPa/m. What are the velocity andshear stress at a distance of 8 mm from the wall if the space Bbetween the walls is 5.0 cm? What are the shear stress and velocityat the wall? The velocity distribution for viscous flow betweenstationary plates is%3D1 dp(Ву — у')U =2µ dxиProblems 2.16

Answered: Image /qna-images/answer/7f674452-7c3e-4244-b7e2-c3ea02faa7a9.jpg

Answered: 2.16 Suppose that glycerin (T = 20°C)…

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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The extruded plastic shape will be subjected to an internal shear force of V = 265 lb. Dimensions of the cross section are b= 2.0 in., d= 4.0 in., c = 2.7 in., and t = 0.14 in. Determine: (a) the magnitude of the horizontal shear stress at points A and B. (b) the magnitude of the horizontal shear stress at point C, which is located at a distance of yc = 1.4 in. below the z centroidal axis. (c) the magnitude of the maximum horizontal shear stress in the extrusion. (typ.) B d Ус
Problem 4 The wall thickness of a 4-ft-diameter spherical tank is 5/16 inch. Calculate the allowable internal pressure if the stress is limited to 8000 psi. ANS: p = 208.33psi
The extruded plastic shape will be subjected to an internal shear force of V = 350 lb. Dimensions of the cross section are b = 2.0 in., d = 4.0 in., c = 2.7 in., and t = 0.19 in. Determine:(a) the magnitude of the horizontal shear stress at points A and B.(b) the magnitude of the horizontal shear stress at point C, which is located at a distance of yC = 1.4 in. below the z centroidal axis.(c) the magnitude of the maximum horizontal shear stress in the extrusion
The extruded plastic shape will be subjected to an internal shear force of V = 315 lb. Dimensions of the cross section are b = 1.6 in., d = 3.2 in., c= 2.2 in., and t = 0.12 in. Determine: (a) the magnitude of the horizontal shear stress at points A and B. (b) the magnitude of the horizontal shear stress at point C, which is located at a distance of yc = 1.1 in. below the z centroidal axis. (c) the magnitude of the maximum horizontal shear stress in the extrusion. (tур.) YC b
A vertical propane tank with an outside diameter of D=300 mm and a wall-thickness of t=14 mm is subjected to a horizontal force of F = 41 kN. The gage pressure inside the tank is 6 MPa. [D=300 mm, t=14 mm, F=41 kN, h = 1 m] Determine the shear stress produced by the applied force at K. 0 MPa 17.91 MPa 6.51 MPa 19.5 MPa 7.61 MPa Feedback: Shear stress is developed at point k due to the applied force P. Correct answer: 6.51 MPa
The copper pipe shown in the figure has an outside diameter of 3.000 in. and a wall thickness of 0.383 in. The pipe is subjected to a uniformly distributed torque of t = 87 lb-ft/ft along its entire length. Using a = 2.00 ft, b = 4.50 ft, and c = 7.75 ft, calculate (a) the shear stress at A on the outer surface of the pipe. (b) the shear stress at B on the outer surface of the pipe. Answers: ccccccccc.com (a) TA= a (b) TB = i b i psi psi
Calculate the maximum shear stress o max in the web of the T-beam shown in the figure if b = 14 in., t = 0.5 in., h = 11 in., h, = 10.2 in., and the shear force V = 3,700 Ib. (Enter the magnitude in psi.) psi
The copper pipe shown in the figure has an outside diameter of 4.000 in. and a wall thickness of 0.363 in. The pipe is subjected to a uniformly distributed torque of t = 80 lb-ft/ft along its entire length. Using a = 2.00 ft, b = 4.00 ft, and c = 7.5 ft, calculate (a) the shear stress at A on the outer surface of the pipe. (b) the shear stress at B on the outer surface of the pipe. a b Answers: (а) ТА i psi (b) Тв- i psi
The stresses shown in the figure act at a point on the free surface of a machine component. If o = 22.4 ksi in the direction shown, determine the shear stress Txy at the point. Txy O 14.48 ksi 11.51 ksi O 13.53 ksi O 10.63 ksi O 8.84 ksi 5.0 ksi 24° 2.8 ksi
A fluid flow is given by V=8x³i-10x²yj. Find the shear strain rate and state whether the flow is rotational or irrotational.
2. A Newtonian fluid is contained between parallel plates 0.1cm apart. (a) Find the rate of angular deformation in radians/sec if one plate is moving relative to the other at a linear velocity of 1.2m/s. (b) Find the dynamic viscosity if the shear stress on the plate is 0.35N/cm².
Calculate the maximum shear stress omay in the web of the T-beam shown in the figure if b = 12 in., t = 0.5 in., h = 9 in., h, = 8.3 in., and the shear force V = 5,100 lb. (Enter the magnitude in psi.) ly t hi h C psi

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