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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4.101 The principal stresses at a point in a bar are 160 N/mm² (tensile) and 80 N/mm² (compr.). The accompanying maximum shear stress intensity is (a) 100 N/mm² (c) 120 N/mm² (b) 110 N/mm² (d) 140 N/mm²
Q4) two plate one lower fixed and one upper moved with a velocity 0.3 m/s , thedistance between the two plate is 0.3 mm and viscosity of the liquid is 0.65*10-3kg/m.s , calculate the shear stress on the upper plate .
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
A thin cylinder have inner radius 235 mm and thickness 6 mm subjected to an internal pressure of 5 MPa. Determine average circumferential stress?
Q.9 A plate of area 2m² on which fluid flow with 2y² Y velocity profile as "= 7 5'where y(m) is distance from plate, u(m/s) calculate shear stress (N/m²) at y = 0.4m from plate, when flow is laminar. Dynamic viscosity = 0.015 Pa-s
Question 03: Determine the normal stress and draw the stress diagram of the beam at a point 1 m from the left support. 1.0m 20KN/M D ↓ ↓ ↓ ↓ J J 2.0m 1=225x106mm² Bean depth = z 300mm
Q.45 In a 5 cm diamater pipeline carrying laminar flow of liquid with µ = 1.5 centipoise, the velocity at the axis is 2 m/s. What is the shear stress midway between the wall and the pipe axis?
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.
Problem :Pressure vessel made of alloy steel with Yield Strength of 250 MPa, Pressure acting on Pressure Vessel = 10 Atmosphere. Longitudinal Stress (σL) = 200 MPa. Hoop Stress (σθ) = 150 MPa. Radial Stress (σR) = -50. Question :a) How thick is the pressure vessel if the Inner Diameter is D = 2 Meters? b) Check whether the pressure vessel is safe or not? c) Check whether the pressure vessel is safe or not with Tresca yield criterion and compare it with von Mises yield criterion? Given data: -The yield strength of the pressure vessel is σy = 250 MPa.The inner diameter of the vessel is d = 2 m.The pressure acting in the vessel is P = 10 Atm.The longitudinal Stress is σL = 200 MPa.Hoop Stress σθ = 150 MPaThe Radial Stress is σR = -50 MPa.
A pipe of diameter 30 cm carries water in turbulent flow regime. The average height of the surface roughness is 0.25 mm. If the shear stress developed is 5.5 N/m? then the thickness of laminar sublayer, in mm is - (Kinematics viscosity of water, v = 0.01 stokes)
A water tank 5m in diameter and 5m high is made from steel having a thickness of 12mm. Answer below, a.) When the tank is filled with water, determine the circumferential stress. b.) Determine the longitudinal stress at the bottom of the tank when it is filled with water. c.) If the circumferential stress is limited to 5MPa, what is the maximum height of water to which the tank maybe filled.
Int.

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