5. A cylindrical shaft of 90 mm diameter rotates about a vertical axis inside a fixed cylindrical tube of length 50 cm and 95 mm internal diameter. If the space between the tube and the shaft is filled by a lubricant of dynamic viscosity 2.0 poise, determine the torque in N-m required to overcome viscous resistance when the shaft is rotated at a speed of 240 rpm (shown in the figure). (4 decimal places) Clearance h = 2.5mm 50cm 90 mm 95 mm N=240 RPM
5. A cylindrical shaft of 90 mm diameter rotates about a vertical axis inside a fixed cylindrical tube of length 50 cm and 95 mm internal diameter. If the space between the tube and the shaft is filled by a lubricant of dynamic viscosity 2.0 poise, determine the torque in N-m required to overcome viscous resistance when the shaft is rotated at a speed of 240 rpm (shown in the figure). (4 decimal places) Clearance h = 2.5mm 50cm 90 mm 95 mm N=240 RPM
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![5. A cylindrical shaft of 90 mm diameter rotates about a vertical axis inside a fixed cylindrical tube of length 50 cm and
95 mm internal diameter. If the space between the tube and the shaft is filled by a lubricant of dynamic viscosity 2.0
poise, determine the torque in N-m required to overcome viscous resistance when the shaft is rotated at a speed of 240
rpm (shown in the figure). (4 decimal places)
Clearance
h = 2.5mm
50cm
90 mm
95 mm
N=240 RPM](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F84813f88-26de-4c7e-9ea7-85db19182e49%2Fc103403e-ec16-41ac-81ca-5815223a9b58%2Fssdkiz_processed.png&w=3840&q=75)
Transcribed Image Text:5. A cylindrical shaft of 90 mm diameter rotates about a vertical axis inside a fixed cylindrical tube of length 50 cm and
95 mm internal diameter. If the space between the tube and the shaft is filled by a lubricant of dynamic viscosity 2.0
poise, determine the torque in N-m required to overcome viscous resistance when the shaft is rotated at a speed of 240
rpm (shown in the figure). (4 decimal places)
Clearance
h = 2.5mm
50cm
90 mm
95 mm
N=240 RPM
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