8.5-20 For purposes of analysis, a segment of the crank- shaft in a vehicle is represented as shown in the figure. Two loads P act as shown, one parallel to (-xo) and another par- allel to zo; each load P equals 1.0 kN. The crankshaft dimen- sions are b, = 80 mm, b, = 120 mm, and bz = 40 mm. The diameter of the upper shaft is d = 20 mm. (a) Determine the maximum tensile: compressive, and shear stresses at point A, which is located on the surface of the upper shaft at the zo axis. (b) Determine the maximum tensile, compressive, and shear stresses at point B, which is located on the surface of the shaft at the yo axis. |Yo b = 80 mm B d = 20 mm b2 = 120 mm P. bz = 40 mm- P = 1.0 kN PROB. 8.5-20

8.5-20 For purposes of analysis, a segment of the crank- shaft in a vehicle is represented as shown in the figure. Two loads P act as shown, one parallel to (-xo) and another par- allel to zo; each load P equals 1.0 kN. The crankshaft dimen- sions are b, = 80 mm, b, = 120 mm, and bz = 40 mm. The diameter of the upper shaft is d = 20 mm. (a) Determine the maximum tensile: compressive, and shear stresses at point A, which is located on the surface of the upper shaft at the zo axis. (b) Determine the maximum tensile, compressive, and shear stresses at point B, which is located on the surface of the shaft at the yo axis. |Yo b = 80 mm B d = 20 mm b2 = 120 mm P. bz = 40 mm- P = 1.0 kN PROB. 8.5-20

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

8.5-20 For purposes of analysis, a segment of the crank-
shaft in a vehicle is represented as shown in the figure. Two
loads P act as shown, one parallel to (-xo) and another par-
allel to zo; each load P equals 1.0 kN. The crankshaft dimen-
sions are b, = 80 mm, b, = 120 mm, and bz = 40 mm. The
diameter of the upper shaft is d = 20 mm.
(a) Determine the maximum tensile: compressive, and
shear stresses at point A, which is located on the surface of
the upper shaft at the zo axis.
(b) Determine the maximum tensile, compressive, and
shear stresses at point B, which is located on the surface of
the shaft at the yo axis.
|Yo
b = 80 mm
B
d = 20 mm
b2 = 120 mm
P.
bz = 40 mm-
P = 1.0 kN
PROB. 8.5-20

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