A steel shaft (G = 77 GPa) & an (Al) tube (G = 27 GPa) are connected to a fixed support & a rigid disk at the two ends. Knowing that the initial stresses are zero, determine the max torque that can be applied to the disk if the allowable stresses are tllow = 120 MPa & tallow = 70 MPa for the steel shaft & (Al) tube respectively Rigid Disk Al Tube 76 mm Steel Shaft 50 mm 8 mm Al Tube Steel Shaft 500 mm

A steel shaft (G = 77 GPa) & an (Al) tube (G = 27 GPa) are connected to a fixed support & a rigid disk at the two ends. Knowing that the initial stresses are zero, determine the max torque that can be applied to the disk if the allowable stresses are tllow = 120 MPa & tallow = 70 MPa for the steel shaft & (Al) tube respectively Rigid Disk Al Tube 76 mm Steel Shaft 50 mm 8 mm Al Tube Steel Shaft 500 mm

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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Concept explainers

Combined Loading

Any functioning component, such as machine parts, structural members, pressure vessels, and so on, are all under the influence of more than one force. When anybody is under the influence of more than one force such as shear forces, bending moments, axial forces, torsion, and so on, then such body is said to be under combined loading. A very practical example of combined loading is the crankshaft of an internal combustion engine (IC engine). The crankshaft of the IC engine is under high rpm, which is caused due to the torsional forces. Due to the presence of piston, counterbalances, and internal imbalances, the crankshaft experiences lateral forces and due to the rise in temperature, the crankshaft undergoes thermal expansion, which pulls the crankshaft along the axial direction and lateral direction. The presence of unbalanced loads along the periphery of the crankshaft also induces a bending moment.

Question

• A steel shaft (G= 77 GPa) & an (Al) tube (G= 27 GPa) are connected to
a fixed support & a rigid disk at the two ends. Knowing that the initial
stresses are zero, determine the max torque that can be applied to the
disk if the allowable stresses are tllow = 120 MPa & tallow
the steel shaft & (Al) tube respectively
= 70 MPa for
Rigid Disk
Al Tube
76 mm
Steel Shaft
50 mm
8 mm
Al Tube
Steel Shaft
500 mm

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