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- hi 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 = 2.6 L. Determine per cylinder: Only letters d,e, and f needed 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 per cycle, in kJ. - <f) the thermal efficiency. - <I only need help with filling in the answers for parts h and i. 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 = 2.1 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 per cycle, in kJ.f) the thermal efficiency in %.g) the mean effective pressure, in bar.h) Develop a full exergy accounting per cycle, in kJ. Let T0 = 300 K, p0 = 1 bar (See image below).i) Devise and evaluate the exergetic efficiency for the cycle. part hAt 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 Kand the compression ratio is 9.8. The engine has 4 cylinders and an engine displacement of Va = 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 per cycle, in kJ. f) the thermal efficiency. g) the mean effective pressure, in bar. h) Develop a full exergy accounting per cycle, in kJ. Let To = 300 K, po = 1 bar. i) Devise and evaluate the exergetic efficiency for the cycle. %3D
- 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 Kand the compression ratio is 9.8. The engine has 4 cylinders and an engine displacement of Va= 2.5 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.Q 1: For a particular gas system, the internal energy is given by : U = 2.5 PV + C , where P: Presure , V: volume and C : constant, the sysytem is taken into cycle shown in fig.(Q1) below with three Processes, Calculate Q & W if the pressure is given by P= 105+ 10° (v-0.02)² ? 0.5- 0.4E 0.3E A 0,2 A 001 002 003 V (m³) > Fig. (Q1) P (MPa)►Draw the schematic diagram of the problem; The steam used by a turbine is 5.50 kg/kw-hr at a pressure of 4.50 MPaa and a temperature of 373 degree Centigrade. The overall boiler effeciency is 85% with feedwater temperature at 165 degree Centigrade. a) How many kilogram of coal are required per kw-hr if calorific value of coal is 28,000 kJ/kg? b) If coal costs Php 440 per Metric Ton, what is the fuel cost per kw-hr? Copy the problem.
- 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 per cycle, in kJ.f) the thermal efficiency.g) the mean effective pressure, in bar.h) Develop a full exergy accounting per cycle, in kJ. Let T0 = 300 K, p0 = 1 bar.i) Devise and evaluate the exergetic efficiency for the cycle.The compression ratio in a gasoline engine is 8. The total cylinder volume of the engine (for the bottom dead point) is 600 ml, and air enters the cylinders at a temperature of 20 ° C and a pressure of 100 kPa andThe maximum temperature of the cycle is known as 1500 ° C. a) Calculate the heat input in the cycle in kJ. b) Calculate the thermal efficiency of the cycle c) Calculate the power generated in the cycle.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= 2.5 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 per cycle, in kJ. f) the thermal efficiency. g) the mean effective pressure, in bar. h) Develop a full exergy accounting per cycle, in kJ. Let To = 300 K, po = 1 bar. i) Devise and evaluate the exergetic efficiency for the cycle.
- 1- During a steam generator performance test, the following data were taken: Fuel data: Type=Coal Mass flow rate=2.5 kg/s High heat value=32.5 Mj/kg Steam data: Pressure=13 bar Dryness fraction=99.5% Mass flow rate=25 kg/s Feed water data: Saturated at 50 C° Calculate the steam generator efficiency.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 = 2.1 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 per cycle, in kJ.An Ideal Otto engine, operating on the hot-air standard with k=1.34, has a comperession ratio of 5. At the beginning of compression the volume is 6 cu ft, the pressure is 1375 psia and the temperature is 100 degrees Farehnheit. During the constant-volume heating, 340 Btu are added per cycle. Find A)c, b) T3 c)P3 and e) Pm