A flat belt is required to transmit 35 kW from a pulley of 1.5 m effective diameter running at 300 r.p.m. The angle of contact is spread over 11/24 of the circumference and the coefficient of friction between belt and pulley surface is 0.3. Determine, taking centrifugal tension into account, width of the belt required. It is given that the belt thickness is 9.5 mm, density of its material is 1.1 Mg/m³ and the related permissible working stress is 2.5 MPa. [Ans. 143 mm]
A flat belt is required to transmit 35 kW from a pulley of 1.5 m effective diameter running at 300 r.p.m. The angle of contact is spread over 11/24 of the circumference and the coefficient of friction between belt and pulley surface is 0.3. Determine, taking centrifugal tension into account, width of the belt required. It is given that the belt thickness is 9.5 mm, density of its material is 1.1 Mg/m³ and the related permissible working stress is 2.5 MPa. [Ans. 143 mm]
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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![A flat belt is required to transmit 35 kW from a pulley of 1.5 m effective diameter running at 300
r.p.m. The angle of contact is spread over 11/24 of the circumference and the coefficient of friction
between belt and pulley surface is 0.3. Determine, taking centrifugal tension into account, width of
the belt required. It is given that the belt thickness is 9.5 mm, density of its material is 1.1 Mg/m³ and
the related permissible working stress is 2.5 MPa.
[Ans. 143 mm]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Feb8545bf-6cb9-46f6-bd51-1fa35e9c7bff%2F663e292d-07aa-4a15-adc6-afa98627e02a%2Fcsufqf_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A flat belt is required to transmit 35 kW from a pulley of 1.5 m effective diameter running at 300
r.p.m. The angle of contact is spread over 11/24 of the circumference and the coefficient of friction
between belt and pulley surface is 0.3. Determine, taking centrifugal tension into account, width of
the belt required. It is given that the belt thickness is 9.5 mm, density of its material is 1.1 Mg/m³ and
the related permissible working stress is 2.5 MPa.
[Ans. 143 mm]
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