Q-3 Consider an engine operating on the ideal Diesel cycle with air as theworking fluid. The volume of the cylinder is 1200 cm³ at the beginning of theCompression process, 75 cm³ at the end, and 150 cm³ after the heat additionprocess. Air is at 17°c and lookpa at the beginning of the compression process. Determine @ The pressure at the beginning of the heat rejectionprocess. the net work per cycle in kjⒸthe mean effective pressur.Answers @264.3 KN/m² ②0.784 kj or 544-6 kj © 697 KN192m

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Answered: Q-3 Consider an engine operating on the…

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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Q-2 An air-standard Diesel cycle has a compression ratio of 18.2. Air is at 27°C and o.IMPa at the beginning of the compression process and at 200ok at the end of the heat addition process. Determine @The cutoff ratio ⑥The heat rejection per unit mass thermal efficie
Diesel cycle releases 1750 J/mol ofheat. The pressure and temperature at the begin-ning of the compression step are 1 bar and 50°C,and the pressure at the beginning of the expansionis 5 bar. The working fluid is an ideal gas for whichcP= 7R/2 andcV= 5R/2. (a) What is the tem-perature at the end of the adiabatic expansion? (b)What is the heat absorbed by the engine? (c) Whatis the compression ratio? (d) What is the work doneduring the compression step?
(can expect help me on questions 5-10 of my this practice problem statement ?)The container truck engine operated on the diesel cycle with a compression ratio of 12. Assume the mass of air in the engine is conserved. At the start of the compression process, the air is at 1 atm and 30 oC. 400 kJ/kg of heat is removed from the air during the constant-volume heat rejection process. The ratio of . Through the diesel cycle, 20% of the work done by the air is used to operate the vehicle's refrigeration and heat pump system. One diesel cycle took 0.7s to complete. The heat rejection from the refrigeration and heat pump system is 800 kJ. The refrigeration system uses R-134a as the working fluid and operates between 100 kPa and 1200 kPa pressure limits. cp = 1.005 kJ/kg/K, cv = 0.7177 kJ/kg/K, R = 8.314J/mol/K, Molecular mass of air= 29g/mol. 1) Calculate the temperature at the start of the heat rejection process. 2) Calculate the temperature at the end of the heat addition process. 3)…
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Q-3 Consider an engine operating on the ideal Diesel cycle with air as the working fluid. The volume of the cylinder is 1200 cm³ at the beginning of the Compression process, 75 cm³ at the end, and 150 cm³ after the heat addition process. Air is at 17°C and lookpa at the beginning of the compression proc .Determine @The pressure at the beginning of the heat rejection process. the net work per cycle in kjⒸthe mean effective pressur 544-6k Answers 264.3 KN/m² ⑤0.784k) or 544-6! b KN m 697 2
An engine working on the Otto Cycle has a compression ratio of 10/. At the beginning of the compression stroke the temperature of the air is 30oC. After the addition of heat constant volume the temperature of the air rises to 1100 oC. Find the heat supplied, heat rejected & the net work done per kilogram of air in the cylinder. What is the efficiency of the cycle?
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An engine operating on the air standard Diesel cycle has a compression ratio of 17/1 and the maximum and minimum cycle temperatures are 16200C and 48oC respectively. If the maximum cycle pressure is 55 bar, calculate the temp. and press. at the end of the expansion stroke the volume ratio of combustion the thermal efficiency of the cycle and mean effective pressure
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4. The open cycle gas turbine operate on Brayton cycle with pressure ratio 4.5/1. Air enter the compressor at 210C and heated to 7800C at entry to the turbine. If mass flow rate is 140kg/min, Determine: a. e b. Wnet
Q-1 An ideal Diesel engine has a compression ratio of 20 and uses air as the working fluid. The state of air at the beginning of compression Process is 95 kpa and 20°c. If the maximum temperature in the cycle is not exceed 2200k. Determine The thermal efficiency the mean effective pressure.
In an ideal Diesel Cycle, the temperature of the air at the beginning of compression is 320 K and the pressure is 100 kPa. The maximum temperature of this cycle with isotropic compression ratio of 15 ; A-)2500K B-)2000K Find the temperatures and pressures that are not given according to the situation, the heat given for 1kg of air, the net work and the average effective pressure. Draw the diagrams P-v and T-S.

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