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Consider an air-standard Diesel cycle. Operating data at principal states in the cycle are given in the table below. The states are numbered as in the figure below. State T(K) p (kPa) u (kJ/kg) h(kJ/kg) 1. 380 100 271.5 380.6 1096 5194 841.9 1157 3 2000 5194 1676 2250 4 971.1 255.6 734.1 1013 Determine: (a) the cutoff ratio. (b) the heat addition per unit mass, in kJ/kg. (c) the net work per unit mass, in kJ/kg. (d) the percent thermal efficiency.

Consider an air-standard Diesel cycle. Operating data at principal states in the cycle are given in the table below. The states are numbered as in the figure below. State T(K) p (kPa) u (kJ/kg) h(kJ/kg) 1. 380 100 271.5 380.6 1096 5194 841.9 1157 3 2000 5194 1676 2250 4 971.1 255.6 734.1 1013 Determine: (a) the cutoff ratio. (b) the heat addition per unit mass, in kJ/kg. (c) the net work per unit mass, in kJ/kg. (d) the percent thermal efficiency.

Elements Of Electromagnetics
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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Consider an air-standard Diesel cycle. Operating data at principal states in the cycle are given in the table below. The states are numbered as in the figure below. State T(K) p(kPa) u (kJ/kg) h (kJ/kg) 1 380 100 271.5 380.6 1096 5194 841.9 1157 3 2000 5194 1676 2250 971.1 255.6 734.1 1013 Determine: (a) the cutoff ratio. (b) the heat addition per unit mass, in kJ/kg. (c) the net work per unit mass, in kJ/kg. (d) the percent thermal efficiency.
Transcribed Image Text:Consider an air-standard Diesel cycle. Operating data at principal states in the cycle are given in the table below. The states are numbered as in the figure below. State T(K) p(kPa) u (kJ/kg) h (kJ/kg) 1 380 100 271.5 380.6 1096 5194 841.9 1157 3 2000 5194 1676 2250 971.1 255.6 734.1 1013 Determine: (a) the cutoff ratio. (b) the heat addition per unit mass, in kJ/kg. (c) the net work per unit mass, in kJ/kg. (d) the percent thermal efficiency.
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