A four-cylinder, two-stroke diesel engine has a compression ratio of 22 and cutoff ratio of 1.8. The inlet air is at a temperature of 70°C and pressure of 97 kPa. Determine: a) Heat addition per cycle; b) Maximum pressure & temperature; c) Power produced at 4250 rpm. Do not assume constant specific heats.
A four-cylinder, two-stroke diesel engine has a compression ratio of 22 and cutoff ratio of 1.8. The inlet air is at a temperature of 70°C and pressure of 97 kPa. Determine: a) Heat addition per cycle; b) Maximum pressure & temperature; c) Power produced at 4250 rpm. Do not assume constant specific heats.
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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Transcribed Image Text:A four-cylinder, two-stroke diesel engine has a compression ratio of 22 and cutoff ratio of 1.8. The
inlet air is at a temperature of 70°C and pressure of 97 kPa.
Determine: a) Heat addition per cycle;
b) Maximum pressure & temperature;
c) Power produced at 4250 rpm.
Do not assume constant specific heats.
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Step 1: Solution:
VIEWStep 2: a). To find the heat addition per cycle, we need to find the mass of air per cycle.
VIEWStep 3: b)To start, we need to find the values of P3 and T3. We can use the following equations to do so:
VIEWStep 4: (c) We must determine the work completed every cycle in order to determine the power generated:
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