A solid 30-mm-diameter shaft is used in an aircraft engine to transmit 86 kW at 1,250 rpm to a propeller that develops a thrust of 12kN. Determine the principal stresses and the maximum shear stress at any point on the outside surface of the shaft.Answers:MPaOp1 =MPaop2=MPaTmax=iii

The diameter of shaft is The power transmitted is .The speed is The thrust developed is

A solid 30-mm-diameter shaft is used in an aircraft engine to transmit 86 kW at 1,250 rpm to a propeller that develops a thrust of kN. Determine the principal stresses and the maximum shear stress at any point on the outside surface of the shaft. Answers: Op1= op2= Tmax= i i i MPa MPa MPa

A solid 30-mm-diameter shaft is used in an aircraft engine to transmit 86 kW at 1,250 rpm to a propeller that develops a thrust of kN. Determine the principal stresses and the maximum shear stress at any point on the outside surface of the shaft. Answers: Op1= op2= Tmax= i i i MPa MPa MPa

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

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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 solid 30-mm-diameter shaft is used in an aircraft engine to transmit 86 kW at 1,250 rpm to a propeller that develops a thrust of 12
kN. Determine the principal stresses and the maximum shear stress at any point on the outside surface of the shaft.
Answers:
MPa
Op1 =
MPa
op2=
MPa
Tmax=
i
i
i

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