In a cold-air standard diesel cycle, the volume of the cylinder amounts to 85 cm³ at the beginning of the heat addition process, 175 cm³ at the end, and 1300 cm³ at the beginning of the heat rejection process. If air is at 19.5°C and 118 kPa at the end of the heat rejection process, determine the (a) heat added per cycle, in kJ (b) Wnet, in kJ (c) maximum temperature in the cycle, in °C (d) thermal efficiency, in % (e) mean effective pressure,

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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In a cold-air standard diesel cycle, the volume of the cylinder amounts to 85 cm³ at the beginning of the heat
addition process, 175 cm³ at the end, and 1300 cm³ at the beginning of the heat rejection process. If air is at
19.5°C and 118 kPa at the end of the heat rejection process, determine the (a) heat added per cycle, in kJ (b)
Wnet, in kJ (c) maximum temperature in the cycle, in °C (d) thermal efficiency, in % (e) mean effective pressure,
in kPa, and (f) the pressure at the end of the isentropic expansion process, in kPa. Draw the (e) T-s and P-v
diagrams. Use C,= 0.718 kJ/kg-K, C,= 1.005 kJ/kg-K and k= 1.4, where applicable.
Transcribed Image Text:In a cold-air standard diesel cycle, the volume of the cylinder amounts to 85 cm³ at the beginning of the heat addition process, 175 cm³ at the end, and 1300 cm³ at the beginning of the heat rejection process. If air is at 19.5°C and 118 kPa at the end of the heat rejection process, determine the (a) heat added per cycle, in kJ (b) Wnet, in kJ (c) maximum temperature in the cycle, in °C (d) thermal efficiency, in % (e) mean effective pressure, in kPa, and (f) the pressure at the end of the isentropic expansion process, in kPa. Draw the (e) T-s and P-v diagrams. Use C,= 0.718 kJ/kg-K, C,= 1.005 kJ/kg-K and k= 1.4, where applicable.
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