Instead, assume variable specific heat An ideal Otto cycle has a compression ratio of 8. Atthe beginning of the compression process, air is at 95 kPaand 278C, and 750 kJ/kg of heat is transferred to air dur-ing the constant-volume heat-addition process. Taking intoaccount the variation of specific heats with temperature,determine (a) the pressure and temperature at the end ofthe heat-addition process, (b) the net work output, (c) thethermal efficiency, and (d) the mean effective pressure forthe cycle.
Instead, assume variable specific heat An ideal Otto cycle has a compression ratio of 8. Atthe beginning of the compression process, air is at 95 kPaand 278C, and 750 kJ/kg of heat is transferred to air dur-ing the constant-volume heat-addition process. Taking intoaccount the variation of specific heats with temperature,determine (a) the pressure and temperature at the end ofthe heat-addition process, (b) the net work output, (c) thethermal efficiency, and (d) the mean effective pressure forthe cycle.
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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Instead, assume variable specific heat
An ideal Otto cycle has a compression ratio of 8. At
the beginning of the compression process, air is at 95 kPa
and 278C, and 750 kJ/kg of heat is transferred to air dur-
ing the constant-volume heat-addition process. Taking into
account the variation of specific heats with temperature,
determine (a) the pressure and temperature at the end of
the heat-addition process, (b) the net work output, (c) the
thermal efficiency, and (d) the mean effective pressure for
the cycle.
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