An air-standard dual cycle has a compression ratio of 9.1 and displacement of Vd= 2.2 L....
An air-standard dual cycle has a compression ratio of 9.1 and displacement of Vd= 2.2 L. At the beginning of compression, p1 = 95 kPa, and T1 = 290 K. The heat addition is 4.75 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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An air-standard dual cycle has a compression ratio of 9.1 and
displacement of Vd= 2.2 L....
Problem 9.025 SI An air-standard dual cycle has a compression ratio of 8.6 and displacement of...
Problem 9.025 SI An air-standard dual cycle has a compression ratio of 8.6 and displacement of Vo = 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: c) each of the unknown temperatures at the various states, in K. the net work of the cycle, in kJ. the power developed at 3000...
An air-starndard dual cycle has a compression ratio of 15 and a cutoff ratio of 1.15....
An air-starndard dual cycle has a compression ratio of 15 and a cutoff ratio of 1.15. At the beginning of compresso, -95 kPa and T- 300 K. The pressure increases by a factor of 2.2 during the constant volurne heat addition process. If the mass of air is 0.04 kq (a) the heat addition at constant volume,in ki. kl (b) the heat additiorn at constant pressure,in k (c) the net work cf the cycle, in k. kl (d) the heat...
At the beginning of the compression process of an air standard Otto cycle, p1 = 1...
At the beginning of the compression process of an air standard Otto cycle, p1 = 1 bar, T1 = 300 K. The maximum temperature in the cycle is 2250 K and the compression ratio is 9.8. The engine has 4 cylinders and an engine displacement of Vd = 2.3 L. Determine per cylinder: a) the volume at state 1. b) the air mass per cycle. c) the heat addition per cycle, in kJ. d) the heat rejection per cycle, in...
At the beginning of the compression process of an air standard Otto cycle, p1 = 1...
At the beginning of the compression process of an air standard Otto cycle, p1 = 1 bar, T1 = 300 K. The maximum temperature in the cycle is 2250 K and the compression ratio is 9.8. The engine has 4 cylinders and an engine displacement of Vd = 2.7 L. Determine per cylinder: a) the volume at state 1. b) the air mass per cycle. c) the heat addition per cycle, in kJ. d) the heat rejection per cycle, in kJ. e) the net work...
At the beginning of the compression process of an air-standard Otto cycle, P1 = 1.0 bar,...
At the beginning of the compression process of an air-standard Otto cycle, P1 = 1.0 bar, T1 = 290 K, V1 = 400 cm3. The maximum temperature in the cycle is 2200 K and the compression ratio is 8. Determine: a) the heat addition in kJ, b) the net work in kJ, c) the thermal efficiency, and d) the mean effective pressure, in bar.
At the beginning of the compression process of an air-standard Otto cycle, p1 = 1 bar...
At the beginning of the compression process of an air-standard Otto cycle, p1 = 1 bar and T1 = 300 K. The compression ratio is 6 and the heat addition per unit mass of air is 1300 kJ/kg. Determine: (a) the maximum temperature of the cycle, in K. (b) the net work, in kJ/kg. (c) the percent thermal efficiency of the cycle. (d) the mean effective pressure, in kPa.
A Diesel engine is approximated by a pressure limited (dual) cycle. The data is as follows:...
A Diesel engine is approximated by a pressure limited (dual)
cycle. The data is as follows:
A Diesel engine is approximated by a pressure limited (dual) cycle. The data is as follows: Inlet temperature and pressure: P1 = 100 kPa, T1 = 298 K Compression ratio = 16:1 Heat added during combustion = 44000 kJ/kgfuel (please note that this value is per kg fuel) A/F = 23 kg/kgf 40% of the heat is added in the constant volume combustion part....
Problem 9.001 SI At the beginning of the compression process of an air-standard Otto cycle, p1...
Problem 9.001 SI At the beginning of the compression process of an air-standard Otto cycle, p1 1 bar and T1 300 K. The compression ratio is 6 and the heat addition per unit mass of air is 1400 kJ/kg Determine: (a) the maximum temperature of the cycle, in K. (b) the net work, in kJ/kg. (c) the percent thermal efficiency of the cycle (d) the mean effective pressure, in kPa.
Calculate without constant specific heat (Cp). An air-standard dual cycle has a compression ratio of 14...
Calculate without constant specific heat (Cp). An air-standard dual cycle has a compression ratio of 14 and cut-off ratio of 1.2. The pressure ratio during constant volume heat addition is 1.5. Determine the: (A) Thermal efficiency (B) Amount of heat added (C) Maximum gas pressure and temperature when the cycle is operated at 80kPA and 20°C at the beginning of the compression.
Use variable specific heats. An air-standard dual cycle has a compression ratio of 14 and cut-off...
Use variable specific heats. An air-standard dual cycle has a compression ratio of 14 and cut-off ratio of 1.2. The pressure ratio during constant volume heat addition (process 2-X) is 1.5. Determine the: (A) Thermal efficiency (B) Amount of heat added (C) Maximum gas pressure and temperature when the cycle is operated at 80kPA and 20°C at the beginning of the compression. Use variable specific heats.
Problem 9.025 SI An air-standard dual cycle has a compression ratio of 8.6 and displacement of Vo = 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: c) each of the unknown temperatures at the various states, in K. the net work of the cycle, in kJ. the power developed at 3000...
An air-starndard dual cycle has a compression ratio of 15 and a cutoff ratio of 1.15. At the beginning of compresso, -95 kPa and T- 300 K. The pressure increases by a factor of 2.2 during the constant volurne heat addition process. If the mass of air is 0.04 kq (a) the heat addition at constant volume,in ki. kl (b) the heat additiorn at constant pressure,in k (c) the net work cf the cycle, in k. kl (d) the heat...
A Diesel engine is approximated by a pressure limited (dual)
cycle. The data is as follows:
A Diesel engine is approximated by a pressure limited (dual) cycle. The data is as follows: Inlet temperature and pressure: P1 = 100 kPa, T1 = 298 K Compression ratio = 16:1 Heat added during combustion = 44000 kJ/kgfuel (please note that this value is per kg fuel) A/F = 23 kg/kgf 40% of the heat is added in the constant volume combustion part....
Problem 9.001 SI At the beginning of the compression process of an air-standard Otto cycle, p1 1 bar and T1 300 K. The compression ratio is 6 and the heat addition per unit mass of air is 1400 kJ/kg Determine: (a) the maximum temperature of the cycle, in K. (b) the net work, in kJ/kg. (c) the percent thermal efficiency of the cycle (d) the mean effective pressure, in kPa.
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