Calculate the shaft diameter and torsion angle since the maximum torsional moment is 150 Nm for a 1 meter long shaft with a permissible shear stress of 320 MPa G=80 GPa
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Calculate the shaft diameter and torsion angle since the maximum torsional moment is 150 Nm for a 1 meter long shaft with a permissible shear stress of 320 MPa
G=80 GPa
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- A thin-walled aluminum tube of rectangular cross section (sec fig me) has a centerline dimensions b = 6.0 in. and b = 4.0 in. The wall thickness t is constant and equal to 0.25 in. Determine the shear stress in the tube due to a torque T = 15 kip-in. Determine the angle of twist (in degrees) if the length L of the tube is 50 in. and the shear modulus G is 4.0 x 106 psi.A Solid shaft transmits 600 N.m torque. If the maximum shear stress induced in the shaft is 50 N/mm2, the minimum diameter of the shaft isA solid circular shaft transmits 75 kW power at 200 rpm. Calculatethe diameter of the shaft and the maximum shear stress acting on it,if the twist in the shaft is not exceeding 1 º in 2 m length of the shaft.Take modulus of rigidity as 102 GPa.
- A 3-meter solid steel shaft, with an unknown diameter, twists by 5° as it experienced a shear stress of 60 MPa. What is the diameter of the solid steel shaft? Use G = 83 GPa.When subject to an applied torque,a circular shaft of length 600mm twists through an angle of 2°,if the shear modulus for the shaft material is 80KN/m^2, calculate the shear stress; A)At the center of the shaft B)At a radius of 20mm C)if the maximum shear in the shaft is 120MN/m^2, calculate the outside diameterA hollow shaft for marine applications has outer and inner diameters of 400 mm and 200 mm respectively and transmits 8000 kW at 100 r/min. Calculate the maximum shear stress in the hollow shaft. Calculate the shear stress on the inner surface of the hollow shaft. Determine the maximum length of this shaft if the maximum shear stress as well as an angle of twist of 30 is not to be exceeded. (G = 80 GPa) If this shaft is connected to a similar shaft, 1 m long, through a 10-bolt rigid flange coupling, determine the minimum standard bolt diameter if the pitch circle diameter of the coupling is pcd = 450 mm and the allowable shear stress in the bolts should not exceed 55 MPa. Determine the equivalent torsional stiffness of the shaft assembly.
- The internal loadings at a critical section along the steel drive shaft of a ship are calculated to be a torque of 2300 lb # ft, a bending moment of 1500 lb # ft, and an axial thrust of 2500 lb. If the yield points for tension and shear are sY = 100 ksi and tY = 50 ksi, respectively, determine the required diameter ofthe shaft using the maximum shear stress theory.A solid shaft is required to transmit 90 kW of power at 200 rpm. Determine the shaft diameter by the strength design and rigidity design and from this design choose the suitable diameter of the shaft, if the permissible stress for the material is 50 N/mm2 and the permissible twist is 10 per meter length. Also, determine the maximum shear strain acting on the shaft.Take modulus of rigidity = 150 GN/m2.Find the diameter of the propeller shaft, which has to transmit power of 1.5 kW at 8 Hz without exceeding shear stress of 25 MPa.
- A steel shaft transmits 30 kW of power at 10 Hz. Determine the smallest safe diameter of the shaft if the shear stress τmax is not to exceed 50 MPa and the angle of twist θ is limited to 5°in a length of 4 m. Use G = 70 GPaA solid shaft is subjected to a twisting moment of 350 kNm. If the angle of twist is 5° per meter of the shaft and the shear stress is not to exceed 350 MPa. Determine the suitable shaft diameter by comparing the strength design and rigidity design. Also, determine the maximum shear strain acting on the shaft. Take G =225 GPa.A propeller shaft is required to transmit 45 kW power at 500 rpm. It is a hollow shaft having inside diameter 0.6 times the outer diameter. It is made of plain carbon steel and the permissible shear stress is 84 N/mm^2. Determine the inner and outer diameters of the shaft.