The blower requires 20 kW to run at 350 rpm. The power is transmitted by a v-belt shown in Figure 4 from an electric motor. The diameter of the machine pulley is 650 mm and that of the motor pulley is 330 mm. The centre distance between the pulleys is 1.2 m. The contact angle of the belt is 150°. The safe pull in each belt is 900 N and the mass of the belt is 0.46 kg per meter length. The coefficient of friction between the belt and the pulley is 0.25. The belt should not exceed the speed of 1 800 m/min. X1 = 16 mm H= 6 mm B X2 = 7 mm Figure 4: Cross sectional view of the v-belt Calculate the velocity of the belt in m/s. Determine the length of the belt. Calculate the belt tensions.
The blower requires 20 kW to run at 350 rpm. The power is transmitted by a v-belt shown in Figure 4 from an electric motor. The diameter of the machine pulley is 650 mm and that of the motor pulley is 330 mm. The centre distance between the pulleys is 1.2 m. The contact angle of the belt is 150°. The safe pull in each belt is 900 N and the mass of the belt is 0.46 kg per meter length. The coefficient of friction between the belt and the pulley is 0.25. The belt should not exceed the speed of 1 800 m/min. X1 = 16 mm H= 6 mm B X2 = 7 mm Figure 4: Cross sectional view of the v-belt Calculate the velocity of the belt in m/s. Determine the length of the belt. Calculate the belt tensions.
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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![Question 5
The blower requires 20 kW to run at 350 rpm. The power is
transmitted by a v-belt shown in Figure 4 from an electric motor. The
diameter of the machine pulley is 650 mm and that of the motor
pulley is 330 mm. The centre distance between the pulleys is 1.2 m.
The contact angle of the belt is 150°. The safe pull in each belt is
900 N and the mass of the belt is 0.46 kg per meter length. The
coefficient of friction between the belt and the pulley is 0.25. The
belt should not exceed the speed of 1 800 m/min.
X1 = 16 mm
H= 6 mm
B
X2 = 7 mm
Figure 4: Cross sectional view of the v-belt
5.1. Calculate the velocity of the belt in m/s.
Determine the length of the belt.
Calculate the belt tensions.
5.2.
5.3.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F59dd6a6a-efe9-4396-b0c7-d31ac602ebc5%2F994b49a3-8bf1-4162-8464-8623dc2a5a2b%2Fo6dfrkk_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Question 5
The blower requires 20 kW to run at 350 rpm. The power is
transmitted by a v-belt shown in Figure 4 from an electric motor. The
diameter of the machine pulley is 650 mm and that of the motor
pulley is 330 mm. The centre distance between the pulleys is 1.2 m.
The contact angle of the belt is 150°. The safe pull in each belt is
900 N and the mass of the belt is 0.46 kg per meter length. The
coefficient of friction between the belt and the pulley is 0.25. The
belt should not exceed the speed of 1 800 m/min.
X1 = 16 mm
H= 6 mm
B
X2 = 7 mm
Figure 4: Cross sectional view of the v-belt
5.1. Calculate the velocity of the belt in m/s.
Determine the length of the belt.
Calculate the belt tensions.
5.2.
5.3.
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