Compute the torsional shear stress and the angleof twist in degrees in an aluminum tube, 600 mmlong, having an inside diameter of 60 mm and aroutside diameter of 80 mm when subjected tosteady torque of 4500 N m. Then specify a suitablaluminum alloy for the tube.51.

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Answered: Compute the torsional shear stress and…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

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The figure shows a shaft carrying three gears that rotates at 1150 rpm. Gear A delivers power =10kw to a mating gear that drives a mixer. Gear C delivers power =15kw to a different mating gear that drives a circular saw. All power comes into the shaft through gear B. Draw sheardiagramand bending moment diagram. Considering only torsion, compute the body free diagram and shearing stress in each part of the shaft. Consider stress concentrations, assume the Material is 1144 OQT 1300.
A circular steel shaft of diameter 30 mm is subjected to a torque of 60 N-m. Calculate the angle of twist if the length of the shaft is 20 m.
The figure shows a shaft carrying three gears that rotates at 1150 rpm. Gear A delivers power to a mating gear that drives a mixer. Gear C delivers power to a different mating gear that drives a circular saw. All power comes into the shaft through gear B. Draw sheardiagramand bending moment diagram . Considering only torsion, compute the shearing stress in each part of the shaft. Consider stress concentrations, assume the Material is 1144 OQT 1300,And GearA=10kw, Gear C=15kw.
3T (2) Diametes o is 93 mm Diametex ® is 53 mm G, = 44 GPa 610 mm 321 mm 75 GPa 0-27 degree Maximum angie of twist ca Maximum TO8que is ?
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Design a rigid flange coupling to transmit a torque of 250N-m between two coaxial shafts. The shaft is made of alloy steel, flanges out of cast iron and bolts out of steel. Four bolts are used to couple the flanges. The shafts are keyed to the flange hub. The permissible stresses are given below: Shear stress on shaft =100MPa Bearing or crushing stress on shaft =250MPa Shear stress on keys =100MPa Bearing stress on keys = 250MPa Shearing stress on cast iron = 200Mpa Shear stress on bolts =100MPa Torque = 257N-m
A shaft of 40 mm is subjected to a twisting moment of 120 N-m, simultaneously, it is subjected to an axial thrust of 10 kN and a bending moment of 80 N-m. Calculate: 1. The maximum compressive and shear stresses. 2. By assuming the hollow shaft what could be the maximum stresses; if the di/do is 0.6.
1. (Book Problem) A round steel bar having Sy = 800 MPa is subjected to loads producing calculated stresses Axial = 70 MPa, TTorsion = 200 MPa, Bending = 300 MPa and T = 170 MPa. a. Sketch Mohr's circle showing the relative locations of maximum normal stresses and maximum shear stresses. b. Determine the safety factor with respect to the initial yielding according to the max shear stress theory and to the distortion energy theory.
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A shaft has a diameter of 45.08 mm and is an interference fit with a sleeve 60 mm outer, 45 mm inner 45 mm inner diameters and 80 mm long. Calculate: i. The force needed to slide the sleeve on the shaft, and ii. the change in radius of the shaft and sleeve at the inside. Assume the elastic properties for both are the same with Young's modulus of elasticity as 200 GPa and Poisson's ratio of 0.3.
The splined ends and gears attached to the steel shaft are subjected to the torques shown in Figure 4. Take G = 75 GN/m². (i) (ii) Determine the location along the 40 mm diameter shaft where the shear stress is largest and plot the variation in shear stress from the shaft centre to its outer surface. Determine the angle of twist of sections C, D, and B relative to end A by producing a graphical plot of the variation of angle of twist from end A to end B (wind-up diagram). 300 N-m 500 N-m A www. 300 mm 200 N.m MAAN 400 mm Figure 4 500 mm 400 N-m
6. A marine turbine developing 15,000 hp and it turns the shaft at 300 rpm. The propeller which is attached to the shaft develops a thrust of 150,000 lbs. A hollow steel shaft with an outside diameter of 14 in. will be used. The maximum shearing stress based on the torsion alone is not to exceed 7.5 ksi. Find the thickness of the hollow shaft in mm.

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Compute the torsional shear stress and the angle of twist in degrees in an aluminum tube, 600 mm long, having an inside diameter of 60 mm and ar outside diameter of 80 mm when subjected to steady torque of 4500 N m. Then specify a suitabl aluminum alloy for the tube. 51.