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Consider 5 kg of Oxygen (O2) gas. It starts at: P1-5 bar, T1-400 K and through...
please answer 5, 6, 7, 9, An ideal gas (Oxygen) at P1 and T1 is compressed...
please answer 5, 6, 7, 9,
An ideal gas (Oxygen) at P1 and T1 is compressed in a piston cylinder assembly first isothermally to P2 and then isentropically to T3. Do not assume that the specific heats are constant. Determine the following given the properties listed below. -Given Values- m (kg) 0.3 TI (K)=573 P1 (bar) 1.21 P2 (bar) 2.32 T3 (K) 676 1. Determine the moles (kmol) of O2 2. Determine the change in internal energy (kJ) from state...
Problem 6.055 SI Water at P1 = 20 bar, T1 = 400°C enters a turbine operating...
Problem 6.055 SI Water at P1 = 20 bar, T1 = 400°C enters a turbine operating at steady state and exits at P2 = 1.5 bar, T2 = 230°C. The water mass flow rate is 4000 kg/hour. Stray heat transfer and kinetic and potential energy effects are negligible. Determine the power produced by the turbine, in kW, and the rate of entropy production in the turbine, in kW/K. Step 1 Determine the power produced by the turbine, in kW. W,...
A gas turbine receives air at temperature T1 = 827 °C and specific volume v, -0.1...
A gas turbine receives air at temperature T1 = 827 °C and specific volume v, -0.1 m®/kg. Air exits the turbine at P2 = 3 bar and T2 = 450 °C. The volumetric flow rate of air at the inlet is 0.5 m/s. The power output on the shaft is 1900 kW. Determine: The pressure of air at the inlet (pa) in kPa [2 marks] b) The mass flow rate in kg/s [1 mark] c) Find the rate of heat...
5 kg of water substance at 1 bar, 400 K, contained in a piston-cylinder apparatus, is...
5 kg of water substance at 1 bar, 400 K, contained in a piston-cylinder apparatus, is compressed to 10 bar, with heat transfer to a reservoir maintained at 350 K; the temperature of the water substance remains constant at 400 K. If the initial and final specific entropies of the water substance are: 7.502 kJ/kg-K and 1.600 kJ/kg-K respectively; (a)How much heat is removed? (b)What is the entropy change of the water substance? (c)What is the entropy change of the...
A steam turbine operates with P1 = 5 MPa and T1 = 600 °C at the...
A steam turbine operates with P1 = 5 MPa and T1 = 600 °C at the
inlet, an exit pressure of P2 = 100 kPa, a mass flow rate of ?̇ =
100 kg/s, and an isentropic efficiency of η = 85%. Complete a
thermodynamic analysis of the turbine, using the appropriate data
for water, by finding: (A) The temperature at the exit, T2, (B) the
work produced by the turbine, ?̇ ?, and (C) the rate of entropy
production...
Thermodynamics COURSE Using the appropriate tables, determine the change in specific entropy between the specified states,...
Thermodynamics COURSE Using the appropriate tables, determine the change in specific entropy between the specified states, in Btu/lb · °R. (a) water, p1 = 10 lbf/in.2, saturated vapor; p2 = 500 lbf/in.2, T2 = 1300°F. (b) ammonia, p1 = 140 lbf/in.2, T1 = 160°F; T2 = -10°F, h2 = 345 Btu/lb. (c) air as an ideal gas, T1 = 80°F, p1 = 1 atm; T2 = 340°F, p = 5 atm. (d) oxygen as an ideal gas, T1 = T2...
Air goes through a polytropic process in a piston/cylinder setup. The polytropic index is n. The...
Air goes through a polytropic process in a piston/cylinder setup. The polytropic index is n. The process starts at P1 kPa, T1 oC, and ends with a pressure of P2 kPa. Answer Questions 6-8 about this process, considering the given information in Question 6. Assume air to be an ideal gas. Let, n=1.5 P1=2.3 MPa T1= 8.9 ×102 °C P2=2.1 ×102 kPa Cp = 1.004 kJ/kg-K, Cv = 0.717 kJ/kg-K, R = 0.287 kJ/kg-K Find the final temperature, in oC...
NAME (PRINT): 1. Air (ideal gas with k = 1.4 and Cp = 1.004) enters the...
NAME (PRINT): 1. Air (ideal gas with k = 1.4 and Cp = 1.004) enters the steady-state operating compressor at P1 = 100 kPa and T1 = 17C, compressed adiabatically, and exits at P2 = 330kPa and T2 = 147C. KE and PE can be neglected. Determine (solution process required): a) Isentropic efficiency of the compressor (6 pts) rate of entropy generation per kg of air flow (5 pts).
Thermodynamics Ideal Gas
Air confined to one side of a rigid container divided by a partition, as shown in Fig.2.The outer side is initially evacuated.The air is initially at p1=5 bar,T1=500 K, and V1= 0.2m3. When the partition is removed, the air expands to fill the entire chamber. Measurements show that V2=2V1and p2=p1/4.Assuming the air behaves as an ideal gas, determine (a) the final temperature, in K, and (b)the heat transfer, kJ.
5. (a)Consider adiabatic compression of 2 kg of air in a piston-cylinder assembly from 1 bar...
5. (a)Consider adiabatic compression of 2 kg of air in a piston-cylinder assembly from 1 bar and 330 K (State 1) to 14 bar and 700 K (State 2). Air can be considered an ideal gas at these conditions and molecular weight of air is 28.97 kg/kmol. Find the entropy of air in State 1 and State 2. Using the entropy balance equation for a closed system calculate the entropy generation (kJ/K) during the compression process. (b) If entropy decreases...
please answer 5, 6, 7, 9,
An ideal gas (Oxygen) at P1 and T1 is compressed in a piston cylinder assembly first isothermally to P2 and then isentropically to T3. Do not assume that the specific heats are constant. Determine the following given the properties listed below. -Given Values- m (kg) 0.3 TI (K)=573 P1 (bar) 1.21 P2 (bar) 2.32 T3 (K) 676 1. Determine the moles (kmol) of O2 2. Determine the change in internal energy (kJ) from state...
Problem 6.055 SI Water at P1 = 20 bar, T1 = 400°C enters a turbine operating at steady state and exits at P2 = 1.5 bar, T2 = 230°C. The water mass flow rate is 4000 kg/hour. Stray heat transfer and kinetic and potential energy effects are negligible. Determine the power produced by the turbine, in kW, and the rate of entropy production in the turbine, in kW/K. Step 1 Determine the power produced by the turbine, in kW. W,...
A gas turbine receives air at temperature T1 = 827 °C and specific volume v, -0.1 m®/kg. Air exits the turbine at P2 = 3 bar and T2 = 450 °C. The volumetric flow rate of air at the inlet is 0.5 m/s. The power output on the shaft is 1900 kW. Determine: The pressure of air at the inlet (pa) in kPa [2 marks] b) The mass flow rate in kg/s [1 mark] c) Find the rate of heat...
A steam turbine operates with P1 = 5 MPa and T1 = 600 °C at the
inlet, an exit pressure of P2 = 100 kPa, a mass flow rate of ?̇ =
100 kg/s, and an isentropic efficiency of η = 85%. Complete a
thermodynamic analysis of the turbine, using the appropriate data
for water, by finding: (A) The temperature at the exit, T2, (B) the
work produced by the turbine, ?̇ ?, and (C) the rate of entropy
production...
NAME (PRINT): 1. Air (ideal gas with k = 1.4 and Cp = 1.004) enters the steady-state operating compressor at P1 = 100 kPa and T1 = 17C, compressed adiabatically, and exits at P2 = 330kPa and T2 = 147C. KE and PE can be neglected. Determine (solution process required): a) Isentropic efficiency of the compressor (6 pts) rate of entropy generation per kg of air flow (5 pts).
Air confined to one side of a rigid container divided by a partition, as shown in Fig.2.The outer side is initially evacuated.The air is initially at p1=5 bar,T1=500 K, and V1= 0.2m3. When the partition is removed, the air expands to fill the entire chamber. Measurements show that V2=2V1and p2=p1/4.Assuming the air behaves as an ideal gas, determine (a) the final temperature, in K, and (b)the heat transfer, kJ.
5. (a)Consider adiabatic compression of 2 kg of air in a piston-cylinder assembly from 1 bar and 330 K (State 1) to 14 bar and 700 K (State 2). Air can be considered an ideal gas at these conditions and molecular weight of air is 28.97 kg/kmol. Find the entropy of air in State 1 and State 2. Using the entropy balance equation for a closed system calculate the entropy generation (kJ/K) during the compression process. (b) If entropy decreases...
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