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 proc.Determine @The pressure at the beginning of the heat rejectionprocess. the net work per cycle in kjⒸthe mean effective pressur544-6kAnswers 264.3 KN/m² ⑤0.784k) or 544-6!bKNm697 2

Answered: Image /qna-images/answer/f8f6bd0f-9607-411e-b399-ec4cba5b13d8.jpg

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?
1. At the beginning of the compression process in a hot-air-standard Otto cycle, the air is at 100 kPa and 300° K. The heat added to the air is 0.750 and r= 5. Kgm-K If c,=718 and K=1.38, calculate the pressure, temperature and volume at 790 the cardinal pcints. Also compute heat transfer and work done per Kg of air for each precess and the cycle thermal efficiency.
(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)…
3. 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 30°C. After the addition of heat constant volume the temperature of the air rises to 1100 °C. Find the heat supplied, heat rejected & the net work done per kilogram of air in the cylinder. What is the efficiency of the cycle?
write legibly pls A simple gas-turbine operates with air as the working fluid, a pressure ratio of 18:1 and a maximum temperature of 700°C. The air enters the compressor at 100kPa and 20°C. Determine: a. Thermal Efficiency of the cycleb. The heat addedc. The state of the air exhausted by the turbine
Carnot-cycle heat engine having 1kg of air in a piston/cylinder arrangement. This heat engine operates between reservoirs at 1000K and 300K. At the beginning of the heat addition, the pressure is 20bar. During this process the volume triples. Draw the cycle on P-V & T-S diag. and analyze each of the four processes in the cycle and determine:-a. The pressure, volume, and temperature at each point.b. The work, heat transfer, and the entropy change for each process.c. The maximum cycle efficiency
help please
An engine operating on the Otto cycle principle has an initial compression temperature of 675°C and a compression ratio of 8. The pressure at this condition is 100 kPa and the cylinder volume is 0.028 m³. The maximum temperature that can be achieved by the system is 4500°C. a.)Calculate the temperature and pressure at each end of the process (point), B. thermal efficiency, C. MEP
no. 3 question: A diesel engine powers a boat. The engine’s cylinders each have a compression ratio (Vmax/Vmin) of 12 and the Vmax is 4ft3. If 1 cylinderis in the isobaric compression stroke, find the final temperature if the initial temperature is 540F Main question: From number 3, if the gas tankaccident happened on top of Mt. Everest’s summit where patm is only 33.7 kpa and the readings obtained are the same, find the new finaltemperature
Q1-A diesel engine oprerates on the dual cycle in which the heat transfer veras me to the working fluid due to combustion of fuel as (1400kj/kg), half of which is transferred at the constant volume process and the remaining half at a constant pressure process. At the beginning of the compression stroke the temperature is (25°c) and the pressure is one bay. The compression ratio is (14) Calculate the efficiency of the cycle ⑥the maximum value of pressure and temperature which occurs during the cycle and the mean effective pressure of the cycle P

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