Q) A single-cylinder two-stroke SI cngine has 8 cm diameter bore and 10 cm stroke. The compression ratio is 8. The exhaust port opens 60° before BDC and closcs 60° after BDC. The air/fucl ratio is 15.1. The temperature of the mixture cntering into the engine is 300 K and the pressure in the cylinder at the time of closing the exhaust port is 1.05 bar. Take R for the mixture 290 J/(kg K), Air supplied to the engine is 150 kg/h. The speed of the engine is 4000 rpm, Considering the effective stroke, calculate the scavenging ratio, the scavenging efficiency and the trapping efficiency.
Q) A single-cylinder two-stroke SI cngine has 8 cm diameter bore and 10 cm stroke. The compression ratio is 8. The exhaust port opens 60° before BDC and closcs 60° after BDC. The air/fucl ratio is 15.1. The temperature of the mixture cntering into the engine is 300 K and the pressure in the cylinder at the time of closing the exhaust port is 1.05 bar. Take R for the mixture 290 J/(kg K), Air supplied to the engine is 150 kg/h. The speed of the engine is 4000 rpm, Considering the effective stroke, calculate the scavenging ratio, the scavenging efficiency and the trapping efficiency.
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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![Q) A single-cylinder two-stroke SI engine has 8 cm diameter bore and 10 cm stroke.
The compression ratio is 8. The cxhaust port opcns 60° beforc BDC and closcs 60° after
BDC. The air/fucl ratio is 15.1. The temperature of the mixture cntering into the cngine
is 300 K and the pressure in the cylinder at the time of closing the exhaust port is 1.05
bar. Take R for the mixture = 290 J/(kg K). Air supplied to the engine is 150 kg/h. The
speed of the engine is 4000 rpm, Considering the effective stroke, calculate the
scavenging ratio, the scavenging efficiency and the trapping efliciency.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc9d8a6cb-4a34-4d2b-8961-0fa0a735fe4f%2F9a0dea56-5f18-4e51-9007-ae606b261d9a%2Fw353fmk_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q) A single-cylinder two-stroke SI engine has 8 cm diameter bore and 10 cm stroke.
The compression ratio is 8. The cxhaust port opcns 60° beforc BDC and closcs 60° after
BDC. The air/fucl ratio is 15.1. The temperature of the mixture cntering into the cngine
is 300 K and the pressure in the cylinder at the time of closing the exhaust port is 1.05
bar. Take R for the mixture = 290 J/(kg K). Air supplied to the engine is 150 kg/h. The
speed of the engine is 4000 rpm, Considering the effective stroke, calculate the
scavenging ratio, the scavenging efficiency and the trapping efliciency.
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