Find V1 to V4 WITH COMPLETE CANCELLATION OF UNITS and answer in Cubic Meter A. An air standard Diesel cycle rejects 10 KJ per cycle of heat while operating at 300 rpm. At thebeginning of compression, pressure is 98 KPaa and temperature = 30 deg C, volume is 0.046 cu.meter. At the beginning of heat addition, pressure is 3500 KPaa. Determine the following in theTable below (fill up this sheet with your answers, or write a summary of your answers and showyour solution in separate sheets) :

Answered: Image /qna-images/answer/342ac04d-9e86-49fa-a360-fee0679df2ba.jpg

Answered: A. An air standard Diesel cycle rejects…

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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5. (a) If the compression ratio of an engine working on Otto cycle isIncreased from 5 to 7, find the percentage increase in thermalefficiency. (b) Derive an expression for thermal efficiency of ideal Brayton cycle.(c) In an engine working on the ideal Otto cycle, the pressure and temperature at the beginning of compression are 100 kPa and 40 °C respectively. The ratio of specific heat capacities is 1.4. If the airstandard efficiency of the engine is 50%, determine(i) The compression ratio. (ii) The pressure and temperature at the end of adiabaticcompression. (6a) Explain and discuss in your own words, the following three concepts incombustion: stoichiometric mixture of air and fuel, weak mixture and richmixture. Explain their importance in combustion applications.(6b) A gas fuel has the following volumetric composition:Propane C3H8: 73 %Butane C4H10: 5 %Ethane, C2H6: 3%Nitrogen N2: 19%(i) Write out the complete combustion equations for all the combustible constituents individually.…
Air undergoes Isothermal expansion in a Carnot cycle where the pressure. decreases from 2.5 MPa to 1.5 MPa. This process has a temperature of 550 K and it decreases to 400 K before the Isothermal compression stroke. Find a.) Qa, b.) Qr, c.) Whet (kJ/kg), d.) the efficiency (%), e) draw the T-S diagram with proper label of points, and f.) the pressures before and after Isothermal compression
The pressure and temperature at the beginning of compression of a cold air-standard Diesel cycle are 90 kPa and 300 K, respectively. At the end of the heat addition, the pressure is 7.2 MPa and the temperature is 2250 K. Assume constant specific heats evaluated at 300 K. Determine the mean effective pressure, in kPa.
4] A Diesel engine operates on the air-standard cycle and has a displacement of3.5 liters. The engine’s compression ratio is 19, and the cutoff ratio is 2.4. The conditionsat the beginning of compression are 37 oC, 98 kPaa, and 3.7 liters. If the engine operatesat 1500 rpm, determine a) the compression ratio; b) the cycle work; and c) the powereddeveloped.
Air enters the compressor of an ideal air-standard Brayton cycle at 100 kPa, 285 K, with a volumetric flow rate of 5 m3/s. The compressor pressure ratio is 11:1. The turbine inlet temperature is 1400 K. Take Specific heat at constant pressure and constant volume for air as 1.001 kJ/kg K and 0.710 kJ/kg K respectively. Calculate the turbine exit absolute temperature to one decimal place and place the correct unit.
In an air standard Brayton cycle the air enters the compressor at 0.1 MPa, 25 ∘C. The pressure leaving the compressor is 1 MPa. and the maximum temperature in the cycle is 1200 ∘C. Assume a compressor efficiency of 80%, a turbine efficiency of 85%, and a pressure drop between the compressor and turbine of 30 kPa. Use the PG model. a) Determine compressor work (w_C), b) Determine the turbine work (w_T), c) Determine the cycle efficiency (n_th,Brayton).
The pressure and temperature at the beginning of compression of an air-standard Diesel cycle are 90 kPa and 300 K, respectively. At the end of the heat addition, the pressure is 6821 kPa and the temperature is 1950 K. what is the compression ratio
The conditions at the beginning of compression in an Otto engine are 101.3 kPaa, 0.66 m^3 and 38.0 C. If the volume at the beginning of the isometric heat addition is 0.06 m^3, what is the percent clearance?
There are supplied 400 kJ per cycle to an ideal diesel engine operating on 0.5 kg of air. At the beginning of compression, pressure is 100 kPa and temperature is 50 degrees Celsius. At the end of compression, pressure is 4000 kPa. Determine the ff: Compression ratio t2, t3, V3, P4, t4 in degree Celsius, m³ and kPa Heat rejected in kJ Network in kJ Thermal efficiency, % MEP in kPa
Air undergoes Isothermal expansion in a Carnot cycle where the pressure decreases from 2.5 MPa to 1.5 MPa. This process has a temperature of 550 K and it decreases to 400 K beforethe Isothermal compression stroke. Find a.) Qa, b.) Qr, c.) Wnet(kJ/kg),d.)the efficiency(%), e.) draw the T-S diagram with proper label of points, and f.) the pressuresbefore and after Isothermal compression
The compression ratio of an Otto cycle is 8, at the beginning of the zanthropic compression process, the pressure of the air is 100 kPa, the temperature is 27 "C, the volume is 550 cm. At the end of the lzantropic expansion process, the temperature of the air is 700 K. Using the specific temperature values at room temperature (according to the cold air standard assumptions) Find the gravity of the air.
The adiabatic efficiencies of the compressor and turbine used in an air-standard Brayton cycle are 85% and 90%, respectively. If the cycle operates between 14.7 and 55 psia and if the maximum and minimum temperatures are 1500 F and 80 F, respectively, compute the thermal efficiency of the cycle. Assume constant specific heats.

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