1) A 35 mm diameter shaft operating at 2000 rpm transmits 1000 kW. The bending and axial loads on the shaft are negligible. a. What is the shear stress on the surface of the shaft? b. You are considering using a hollow shaft with an inside diameter 0.8 times the outside diameter. What outside diameter would be required to give the same outer surface stress? c. How do the weights of the solid and hollow shafts compare?

1) A 35 mm diameter shaft operating at 2000 rpm transmits 1000 kW. The bending and axial loads on the shaft are negligible. a. What is the shear stress on the surface of the shaft? b. You are considering using a hollow shaft with an inside diameter 0.8 times the outside diameter. What outside diameter would be required to give the same outer surface stress? c. How do the weights of the solid and hollow shafts compare?

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter3: Torsion

Section: Chapter Questions

Problem 3.7.8P: A tubular shaft being designed for use on a construction site must transmit 120 kW at 1,75 Hz, The...

See similar textbooks

Similar questions

An engine develops 5.0 MW at 115 RPM and the ratio of maximum to mean torques is 1.3 to 1. Calculate the diameter (in mm) of the main shaft coupled direct to the engine to transmit the power 1. а. allowing a stress of 50 MPa and assuming the shaft to be solid. b. Calculate the diameter (in mm) of the main shaft coupled direct to the engine to transmit the power allowing a stress of 50 MPa and assuming the hollow with a bore equal to half the outside diameter. For Solid Shaft:T: = D't For Hollow Shaft:T= 16 16D Tm = P/w
Find the max shear stress in given data of two circular shafts (S) AND (H)
500 lb in. 1200 lb - in. 400 lb - in. dep-0.9 in. dec =0.75 in. B dan = 0.6 in. Specifications: Shafts AB, BC, CD are solid material. Determine: a) The shaft section in which the maximum shear stress occurs and the magnitude of the stress. Now consider that the shaft is tubular with a 0.300 inner diameter. Determine: b) The shaft section in which the maximum shear stress occurs and the magnitude of the stress.
A circular shaft of 60 mm diameter is running at 150 r.p.m. What will be the torque transmitted by the shaft if (t = 80 MPa)?
The internal diameter of a hollow shaft is 2/3 rd of its external diameter. Compare the strength and stiffness of the shaft with that of a solid shaft of the same material.
Report 1: Shaft Q1. Explain use of Shaft and its types. Q2.Explain Design Procedure of Shaft Subjected to twisting Moment only. Q3.A line Shaft rotating at 200 rpm is to transmit 20 kW. The shaft may be assumed to be made of mild steel with an allowable shear stress of 42 MPa. Determine the diameter of the shaft, neglecting the bending moment on the shaft.
a steel shaft is 100 hp at a speed of 950 rpm. the shear stress is 8000 psi. what is the economical shaft size?
PLEASE ANSWER ASAP TY! The shaft shown has a diameter of 30 mm and is fixed at points A and B. Shear Modulus = 75 GPa. a) What is the internal torque in segment AC (in N-m)? b) Determine the maximum torsional shear stress experienced at segment AC (in MPa). c) What is the torsional shear stress at the center of the cross-section of the shaft (in MPa)? d) Determine the reactive torque at point B (in N-m).
A hollow shaft must transmit 1400 kW at 180 rpm. The outside diameter must be 1.6 times the inside diameter. The maximum torque is 30% more than the mean torque. Calculate: 1. The diameters of the hollow shaft if the allowable stress is 200 MPa. 2. The diameter of the solid shaft if the allowable stress is 200 MPa.
1 %YY . 1:1. 1 docs.google.com Q بريدك الإلكتروني A vertical shaft is supported by a 5 نقاط thrust collar and bearing plate, as shown in Figure. Calculate the maximum axial stress of the shaft if the average punching shear stress in the collar and the average bearing stress between the collar and the plate are limited to 100 and 125 MPa, .respectively F100 mm- 150 mm Collar 25 mm إضافة ملف یالا - غرف الدردشة المجانية )aD( الصوتية المجانية: الدردشة الحية مع أصدقائك II
Compute the torsional shear stress in a hollow shaft with an outside diameter of 40 mm and an inside diameter of 30 mm when transmitting 28 kilowatts(kW) of power at a speed of 45 rad/s.
400 lb-in. 1200 lb-in.. Specifications: Shafts AB, BC, CD are solid material. 500 lb-in., B AB=0.6 in. C dsc-0.75 in. dcp = 0.9 in. Determine: a) The shaft section in which the maximum shear stress occurs and the magnitude of the stress. Now consider that the shaft is tubular with a 0.300 inner diameter. Determine: b) The shaft section in which the maximum shear stress occurs and the magnitude of the stress.