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PA AQi T =Th AQ19 2 4 3 AQout T= Te V Figure 1: Pressure-volume diagram of the Stirling cycle. (a) A Stirling cycle...
4. (a) On the pressure-volume diagram Step 1 shown at the right, draw in the four...
4. (a) On the pressure-volume diagram Step 1 shown at the right, draw in the four Step 2 lines which illustrate the P-V behavior Step 3 Step 4 during the four steps of the Carnot cycle. Label the steps as 1, 2, 3 & 4 and indicate in the space provided, whether each step is isothermal or adiabatic. (b) The Carnot heat engine operates between a hot reservoir at T, - 300 °C and a cold reservoir at T. The...
1. (15 points) Consider a Stirling Engine with the following parameters Working gas Isothermal co...
1. (15 points) Consider a Stirling Engine with the following parameters Working gas Isothermal compression temperature T Isothermal expansion temperature TE Vi Air 80°C 400 °C 650 cm 550 cm3 1000 kPa P1 Operating frequenc Using properties of air at 500K, determine (a) the mass of working gas used in the cycle, (b) the net work done per cycle (in kJ), (c) the net power output produced (in kW), (d) the external heat delivered to the expansion space QE during...
4. Consider a heat engine based on the Stirling cycle. Pressure Vs Volume V2 Steps 1-2...
4. Consider a heat engine based on the Stirling cycle. Pressure Vs Volume V2 Steps 1-2 and 3-4 are at constant temperature (1-2 at temperature TH and 3-4 at temperature To, and steps 4-1 and 2-3 are at constant volume (2-3 at volume V2, and 4-1 at volume V) a) Determine expressions for the heat and work in each step. b) Calculate an expression for the efficiency e of this heat engine as a function of TH TC, V2, Vi,...
ud tthiperature tor all the state points identified in the cycle and hence determine the net heat rate of the cycle and the back work ratio. Briefly comment on the results. (10 marks) O 2014 DIT...
ud tthiperature tor all the state points identified in the cycle and hence determine the net heat rate of the cycle and the back work ratio. Briefly comment on the results. (10 marks) O 2014 DIT P.T.O 12901 MECH 3018 16401 MECH 3018 DT022/3 DT031/1 3. An ideal dual cyele has a compression ratio of 12 and uses air as the working fluid. At the beginning of the 01.353 kPa and 305.6 K, and occupies a volume of 1.229 Litres....
step by step explanation please 04. (a) A heat engine, as shown in in Figure Q4,...
step by step explanation please
04. (a) A heat engine, as shown in in Figure Q4, is operating on a Carnot cycle and has a thermal efficiency of 65%. The waste heat from this engine is rejected to a nearby lake with a temperature of 10°C at a rate of 900 kJ/min High Temperature Reservoir Q, Carnot Heat Engine a =9(0 kJ/min Low Temperature Reservoir T 10°C Figure Q4. Carnot heat engine in kW (i) Determine the net power output...
Rectangular PV Cycle 1 2 3 4 A piston contains 600 moles of an ideal monatomic...
Rectangular PV Cycle 1 2 3 4 A piston contains 600 moles of an ideal monatomic gas that initally has a pressure of 2.31 x 10 Pa and a volume of 3.8 m'. The piston is connected to a hot and cold reservoir and the gas goes through the following quasi-static cycle accepting energy from the hot reservoir and exhausting energy into the cold reservoir. 1. The pressure of the gas is increased to 5.31 x 109 Pa while maintaining...
Q1 Otto Cycle Bookwork Question An air standard Otto cycle:- 1. Draws air from the environment...
Q1 Otto Cycle Bookwork Question An air standard Otto cycle:- 1. Draws air from the environment at 100 kPa and 5°C. 2. The cycle has a compression ratio of 9.2: 1. 3. Heat (880 kJ/kg) is added to the compressed gases at constant volume. 4. The working fluid is air, a perfect gas with ratio of specific heats y = 1.4 and gas constant R = 287 J/kgk. Follow the instructions below: a) Describe each of the four processes from...
Help me do it. Problem 4. A Carnot cycle using 2 mol mono-atomic gas works between...
Help me do it.
Problem 4. A Carnot cycle using 2 mol mono-atomic gas works between a hot reservoir Ti 400K and a cold reservoir T2 300K The 1-2 and 3-4 processes are isothermal The 2-3 and 4-1 processes are adiabatic. Given Vi 12 L, V2 -8 L a) (3 pts) Find Pi, P2, Ps, Ps, Vs, V4 b) (4 pts) What is the heat received by the gas during the 1-2 process? o (4 ptsy) What is the heat...
2. Isochoric/Adiabatic/Isobaric Cycle (10 pts) A heat engine using a monatomic gas follows the cycle shown in the PV diagram to the right. Between stages 1 and 2 the gas is at a constant volume,...
2. Isochoric/Adiabatic/Isobaric Cycle (10 pts) A heat engine using a monatomic gas follows the cycle shown in the PV diagram to the right. Between stages 1 and 2 the gas is at a constant volume, and between 2 and 3 no heat is transferred in or out, between 3 and 1 the pressure is held constant (a) For each stage of this process, calculate in Joules the heat, Q, transferred to the gas, and the work, W, done by the...
A=0 B=3 C=4 D=0 4. [12 pts) A block diagram of a Brayton Cycle is shown...
A=0
B=3
C=4
D=0
4. [12 pts) A block diagram of a Brayton Cycle is shown below. It has equipped with a regeneration component which has an effectiveness of 80%. (Effectiveness of regenerator is ε = (Ts - T4)/(T, - T4)) Air is used as running fluid. The mass flow rate of the air is n = 5.0 kg/s You may assume as cold air standard with Cp = 1.005 and k = 1.4 The turbines and compressors work isentropically....
4. (a) On the pressure-volume diagram Step 1 shown at the right, draw in the four Step 2 lines which illustrate the P-V behavior Step 3 Step 4 during the four steps of the Carnot cycle. Label the steps as 1, 2, 3 & 4 and indicate in the space provided, whether each step is isothermal or adiabatic. (b) The Carnot heat engine operates between a hot reservoir at T, - 300 °C and a cold reservoir at T. The...
1. (15 points) Consider a Stirling Engine with the following parameters Working gas Isothermal compression temperature T Isothermal expansion temperature TE Vi Air 80°C 400 °C 650 cm 550 cm3 1000 kPa P1 Operating frequenc Using properties of air at 500K, determine (a) the mass of working gas used in the cycle, (b) the net work done per cycle (in kJ), (c) the net power output produced (in kW), (d) the external heat delivered to the expansion space QE during...
4. Consider a heat engine based on the Stirling cycle. Pressure Vs Volume V2 Steps 1-2 and 3-4 are at constant temperature (1-2 at temperature TH and 3-4 at temperature To, and steps 4-1 and 2-3 are at constant volume (2-3 at volume V2, and 4-1 at volume V) a) Determine expressions for the heat and work in each step. b) Calculate an expression for the efficiency e of this heat engine as a function of TH TC, V2, Vi,...
ud tthiperature tor all the state points identified in the cycle and hence determine the net heat rate of the cycle and the back work ratio. Briefly comment on the results. (10 marks) O 2014 DIT P.T.O 12901 MECH 3018 16401 MECH 3018 DT022/3 DT031/1 3. An ideal dual cyele has a compression ratio of 12 and uses air as the working fluid. At the beginning of the 01.353 kPa and 305.6 K, and occupies a volume of 1.229 Litres....
step by step explanation please
04. (a) A heat engine, as shown in in Figure Q4, is operating on a Carnot cycle and has a thermal efficiency of 65%. The waste heat from this engine is rejected to a nearby lake with a temperature of 10°C at a rate of 900 kJ/min High Temperature Reservoir Q, Carnot Heat Engine a =9(0 kJ/min Low Temperature Reservoir T 10°C Figure Q4. Carnot heat engine in kW (i) Determine the net power output...
Rectangular PV Cycle 1 2 3 4 A piston contains 600 moles of an ideal monatomic gas that initally has a pressure of 2.31 x 10 Pa and a volume of 3.8 m'. The piston is connected to a hot and cold reservoir and the gas goes through the following quasi-static cycle accepting energy from the hot reservoir and exhausting energy into the cold reservoir. 1. The pressure of the gas is increased to 5.31 x 109 Pa while maintaining...
Q1 Otto Cycle Bookwork Question An air standard Otto cycle:- 1. Draws air from the environment at 100 kPa and 5°C. 2. The cycle has a compression ratio of 9.2: 1. 3. Heat (880 kJ/kg) is added to the compressed gases at constant volume. 4. The working fluid is air, a perfect gas with ratio of specific heats y = 1.4 and gas constant R = 287 J/kgk. Follow the instructions below: a) Describe each of the four processes from...
Help me do it.
Problem 4. A Carnot cycle using 2 mol mono-atomic gas works between a hot reservoir Ti 400K and a cold reservoir T2 300K The 1-2 and 3-4 processes are isothermal The 2-3 and 4-1 processes are adiabatic. Given Vi 12 L, V2 -8 L a) (3 pts) Find Pi, P2, Ps, Ps, Vs, V4 b) (4 pts) What is the heat received by the gas during the 1-2 process? o (4 ptsy) What is the heat...
2. Isochoric/Adiabatic/Isobaric Cycle (10 pts) A heat engine using a monatomic gas follows the cycle shown in the PV diagram to the right. Between stages 1 and 2 the gas is at a constant volume, and between 2 and 3 no heat is transferred in or out, between 3 and 1 the pressure is held constant (a) For each stage of this process, calculate in Joules the heat, Q, transferred to the gas, and the work, W, done by the...
A=0
B=3
C=4
D=0
4. [12 pts) A block diagram of a Brayton Cycle is shown below. It has equipped with a regeneration component which has an effectiveness of 80%. (Effectiveness of regenerator is ε = (Ts - T4)/(T, - T4)) Air is used as running fluid. The mass flow rate of the air is n = 5.0 kg/s You may assume as cold air standard with Cp = 1.005 and k = 1.4 The turbines and compressors work isentropically....
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