An Otto engine cycles 4- Stroke have a diameter of 15 cm and stroke 20cm. The clearance volume is 10 % of the swept volume, using light Petrol fuel at an air-fuel ratio of (A/F)= 18:1, N= 2750 rpm, at the compression stroke conditions in the cylinder are 333K and 100 kpa, a mechanical efficiency of 85% ,and heating value of 44000 kj/kg. Determine: 1- The compression ratio. 2- Work net. 3-Thermal efficiency Otto. 4-Bsfc. 5- Torque (N.m). Assume: Cp=1.005 kj/kg.k, Cv= 0.718 kj/kg.k, R= 0.287 Kj/kg.K ,ꙋ=1.4 and air density=1.18m3/kg. * Quiz 3/ An Otto engine cycles 4- Stroke have adiameter of 15 cm and stroke 20cm. The clearancevolume is 10 % of the swept volume, using light Petrolfuel at an air-fuel ratio of (A/F)= 18:1, N= 2750 rpm, atthe compression stroke conditions in the cylinder are333K and 100 kpa, a mechanical efficiency of 85%,and heating value of 44000 kj/kg. Determine: 1- Thecompression ratio. 2- Work net. 3-Thermal efficiencyOtto. 4-Bsfc. 5- Torque (N.m). Assume: Cp=1.005kj/kg.k, Cv= 0.718 kj/kg.k, R= 0.287 Kj/kg.K ,8=1.4 andair density=1.18m3/kg. *

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Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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An Otto engine cycles 4- Stroke have a diameter of 15 cm and stroke 20cm. The clearance volume is 10 % of the swept volume, using light Petrol fuel at an air-fuel ratio of (A/F)= 18:1, N= 2750 rpm, at the compression stroke conditions in the cylinder are 333K and 100 kpa, a mechanical efficiency of 85% ,and heating value of 44000 kj/kg. Determine: 1- The compression ratio. 2- Work net. 3-Thermal efficiency Otto. 4-Bsfc. 5- Torque (N.m). Assume: Cp=1.005 kj/kg.k, Cv= 0.718 kj/kg.k, R= 0.287 Kj/kg.K ,ꙋ=1.4 and air density=1.18m3/kg. *

Quiz 3/ An Otto engine cycles 4- Stroke have a
diameter of 15 cm and stroke 20cm. The clearance
volume is 10 % of the swept volume, using light Petrol
fuel at an air-fuel ratio of (A/F)= 18:1, N= 2750 rpm, at
the compression stroke conditions in the cylinder are
333K and 100 kpa, a mechanical efficiency of 85%
,and heating value of 44000 kj/kg. Determine: 1- The
compression ratio. 2- Work net. 3-Thermal efficiency
Otto. 4-Bsfc. 5- Torque (N.m). Assume: Cp=1.005
kj/kg.k, Cv= 0.718 kj/kg.k, R= 0.287 Kj/kg.K ,8=1.4 and
air density=1.18m3/kg. *

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