Consider an air-standard Diesel cycle. Operating data at principal states in the cycle are given in the table below. The states arenumbered as in the figure below.State T(K) p (kPa) u (kJ/kg) h (kJ/kg)1380100271.5380.6210324074786.210823200040741676225041053277.1804.21106Determine:(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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Answered: Consider an air-standard Diesel cycle.…

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.

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) 380 100 271.5 380.6 2 1096 5194 841.9 1157 1728 5194 1417 1913 4 779.8 205.2 575.7 799.5 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.
HANDWRITTEN AND FINAL ANSWER MUST BE IN ENGLISH UNITS. Show solution.ANSWER iii. Consider an ideal gas with the following characteristics: R = 115 ft-lbf/lbm-R Cp = 0.25 + 0.00035T (BTU/lbm-R) i. Solve for the value of k at 1250 R. ii. Refer to the table shown below: SEE IMAGE iii. Solve the following unknown parameters for Carnot cycle: Volume at end of isothermal compression Heat added and Heat rejected Wnet Efficiency Mean effective pressure iv. Solve the following unknown parameters for Otto Cycle Mass Pressure and Temperature ateach corner Heat added and Heat rejected Wnet Efficiency Mean effective pressure Percentage clearance v. Solve the following unknown parameters for Diesel Cycle with 6% cut-off. Compression ratio Percentage clearance Heat added and Heat rejected Wnet Efficiency Mean effective pressure
Problem 9.017 SI 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 (k)/kg) h (kJ/kg) 380 100 271.5 380.6 957.9 3025 722.9 997.8 1864 3025 1546 2081 4 1050 276.3 801.7 1103 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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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. 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. State T(K) p (kPa) u (kJ/kg) h (kJ/kg) 1 2 3 4 S=C 380 100 1032 4074 1864 950.6 271.5 786.2 4074 250.2 716.7 1546 b 380.6 1082 2081 989.5 p=c 3=0
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An ideal air-standard Brayton cycle operating at steady state produces 50 MW of power. Operating data at principal states in the cycle are given in the table below. The states are numbered as in the figure below.
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A CI engine operating on the air-standard Diesel cycle has cylinder conditions at the start of compression of 65C and 130 kPa. Light diesel fuel is used at an equivalence ratio of o > 0.8 with a combustion efficiency ne = 0.98. Compression ratio is rc = 19. Calculate: (a) Temperature at each state of the cycle. [0C] (b) Pressure at each state of the cycle. [kPa