At the commencement of the compression stroke, the cylinder of an oil engine is charged with air at 96.5kPa and 65°C. Compression takes place to 1/14th of the original volume according to the law PV.35 = C. Fuel the injected, the mass of the fuel injected being 1/40th of that of the air in the cylinder, and combustion takes place at constant pressure. Taking t5he calorific value of the oil as 44000KJ/kg, determine a- the theoretical pressure and temperature after compression b- the theoretical temperature after combustion c- the fraction of the stroke at which combustion is theoretically complete, cp=1.003KJ/kg.K (3400kPa, 579°C, 1649°C, 0.0967)
At the commencement of the compression stroke, the cylinder of an oil engine is charged with air at 96.5kPa and 65°C. Compression takes place to 1/14th of the original volume according to the law PV.35 = C. Fuel the injected, the mass of the fuel injected being 1/40th of that of the air in the cylinder, and combustion takes place at constant pressure. Taking t5he calorific value of the oil as 44000KJ/kg, determine a- the theoretical pressure and temperature after compression b- the theoretical temperature after combustion c- the fraction of the stroke at which combustion is theoretically complete, cp=1.003KJ/kg.K (3400kPa, 579°C, 1649°C, 0.0967)
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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Transcribed Image Text:7- At the commencement of the compression stroke, the cylinder of an oil engine is
charged with air at 96.5kPa and 65°C. Compression takes place to 1/14th of the original
volume according to the law PV1.35 = C. Fuel the injected, the mass of the fuel injected
being 1/40th of that of the air in the cylinder, and combustion takes place at constant
pressure. Taking t5he calorific value of the oil as 44000KJ/kg, determine a- the
theoretical pressure and temperature after compression b- the theoretical temperature
after combustion c- the fraction of the stroke at which combustion is theoretically
complete, cp=1.003kJ/kg.K (3400kPa, 579°C, 1649°C, 0.0967)
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