Q4: A Dual combustion cycle has an adiabatic compression volume ratio of (15:1).The conditions at the commencement of compression are (1 bar),(25 °C) and (0.1 m³)The maximum pressure of the cycle is (65 bar) and the maximum temperature of thecycle is (1500 °C).If C₁ = 0.718 Kj/Kg.K and y = 1.4, calculate the pressure, volume andTemperature at the corners of the cycle and the thermal efficiency of the cycle.Volume, (m³)AnswersPressure, (KN/m²)Point 1100Point 24431.26Point 36500Point 46500Point 5223Temperature, (K)0.12980.00668800.00661290.800917736771 عماد داود عبود

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Answered: Q4: A Dual combustion cycle has an…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Q3/The compression ratio of an ideal Dual cycle engine is 10, and the maximum pressure is limited to 70 bar. Find the pressures and temperatures at the salient points of the cycle and the cycle efficiency if the total heat supplied is 1680 kJ/kg. At the start of compression, the air pressure and temperature are 1 bar and 100°C, respectively. Assume Cp = 1.004 kJ/kg K and Cv = 0.717 kJ/kg K for air.
At the beginning of the compression process in an air standard dual cycle, P1 = 1 bar and T1 = 300 K. Qin is 1000 kJ/kg. Consider compression ratio ranging from 10 to 20. Determine T5 and P5
Sketch and label Pv and Ts diagrams
An air-standard dual cycle has a compression ratio of 8.6 and displacement of V = 2.2 L. At the beginning of compression, p1 = 95 kPa, and T1 = 290 K. The heat addition is 4.25 kJ, with one quarter added at constant volume and the rest added at constant pressure. Determine: a) each of the unknown temperatures at the various states, in K. b) the net work of the cycle, in kJ. c) the power developed at 3000 cycles per minute, in kW. d) the thermal efficiency. e) the mean effective pressure, in kPa.
An air-standard dual cycle has a compression ratio of 8.6 and displacement of Va= 2.2L. At the beginning of compression, p1 = 95 kPa, and T1= 290 K. The heat addition is 4.5 kJ, with one quarter added at constant volume and the rest added at constant pressure. Determine: a) each of the unknown temperatures at the various states, in K. b) the net work of the cycle, in kJ. c) the power developed at 3000 cycles per minute, in kW. d) the thermal efficiency. e) the mean effective pressure, in kPa.
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The displacement volume of an internal combustron engine is 5.6 liters. The processes within each cylinder of the engine are modeled as an air-standard Diesel cycle with a cutoff ratio ß of 2.4. The state of the air at the beginning of compression is fixed by P 95 kPa, T= liters. For air, take specific heat ratio y 1.4, and R 0.287 kJ kg.K. Determine the net work per cycle, in kl. //int find the temperatures at all states and apply Ocycle= Weycle) b. If the net work per cycle is equal to 4.78 kJ. determine the indicated mean effeetive pressure in kPa, Determine the thermal efficiency. d. Determine the power developed by the engine, in kW, if the cycle is executed 1500 times 27°C, and V = 6.0 a. C. per min
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Q/ An dual combustion cycle has an adiabatic compression ratio of 15:1. The conditions at the commencement of compression are 1 bar, 25C° and 0.1 m². The maximum pressure of the cycle 65bar and the maximum temperature of the cycle is 1500C°. If cv =0.718 and k=1.4. Calculate the pressure, volume and temperature at the corners of the cycle and the thermal efficiency of the cycle.

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