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Problem 9.27 Consider a cold air-standard Diesel cycle. Operating data at principal states in the cycle are given in the table below. The states are numbered as in Fig. 9.5. For k = 1.4, cv = 0.172 Btu/(lb R), and cp = 0.240 Btu/(lb R), determine the net heat transfer per unit mass in Btu/lb State 1 2 3 4 T (°R) p (lbf/in.²) 540 14.7 1637 713.0 3274 713.0 1425.1 38.8 Fig. 9.5 p-v and T-s diagrams of the air-standard Diesel cycle. v (ft3/lb) 13.60 0.85 1.70 13.60 N a S=C 3 S=C b V 2 b p=c V=C T a

Problem 9.27 Consider a cold air-standard Diesel cycle. Operating data at principal states in the cycle are given in the table below. The states are numbered as in Fig. 9.5. For k = 1.4, cv = 0.172 Btu/(lb R), and cp = 0.240 Btu/(lb R), determine the net heat transfer per unit mass in Btu/lb State 1 2 3 4 T (°R) p (lbf/in.²) 540 14.7 1637 713.0 3274 713.0 1425.1 38.8 Fig. 9.5 p-v and T-s diagrams of the air-standard Diesel cycle. v (ft3/lb) 13.60 0.85 1.70 13.60 N a S=C 3 S=C b V 2 b p=c V=C T a

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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Problem 9.27

Consider a cold air-standard Diesel cycle. Operating data at principal states in the cycle are given in the table below. The states are numbered as in Fig. 9.5.

For k = 1.4, cv = 0.172 Btu/(lb R), and cp = 0.240 Btu/(lb R), (a) determine the net heat transfer per unit mass in Btu/lb. (b) Determine the net work per unit mass in Btu/lb. (c) Determine the cycle thermal efficiency (%)

Problem 9.27 Consider a cold air-standard Diesel cycle. Operating data at principal states in the cycle are given in the table below. The states are numbered as in Fig. 9.5. For k = 1.4, cv = 0.172 Btu/(lb R), and cp = 0.240 Btu/(lb R), determine the net heat transfer per unit mass in Btu/lb State 1 2 3 4 T (°R) p (lbf/in.²) 540 14.7 1637 713.0 3274 713.0 1425.1 38.8 Fig. 9.5 p-v and T-s diagrams of the air-standard Diesel cycle. v (ft3/lb) 13.60 0.85 1.70 13.60 N a S=C 3 S=C b V 2 b p=c V=C T a
Transcribed Image Text:Problem 9.27 Consider a cold air-standard Diesel cycle. Operating data at principal states in the cycle are given in the table below. The states are numbered as in Fig. 9.5. For k = 1.4, cv = 0.172 Btu/(lb R), and cp = 0.240 Btu/(lb R), determine the net heat transfer per unit mass in Btu/lb State 1 2 3 4 T (°R) p (lbf/in.²) 540 14.7 1637 713.0 3274 713.0 1425.1 38.8 Fig. 9.5 p-v and T-s diagrams of the air-standard Diesel cycle. v (ft3/lb) 13.60 0.85 1.70 13.60 N a S=C 3 S=C b V 2 b p=c V=C T a
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