![s total) An adiabatic air compressor is powered by a direct-coupled (35 pts total) adiab atic steam turbine. This same turbine also simultaneously drivesa nerator (see next page). Steam enters the turbine at 12.5 MPa and 500 degrees C at a rate of 50 kg/sec, and exits at 10kPa with a quality of 0.92. Air enters the compressor at 98 kPa and 295 K at a rate of 17 kg/sec and exits at 1 MPa and 620 K (e) (12 pts) Under these steam inlet and outlet conditions, what it the total shaft work that the turbine can produce? (Do not consider the compressor or generator in this part. Answer 5529 [kw (b) (12 pts) What is the required shaft work input to the compressor, based on the air inlet and outlet conditions given? Answer. 565 (kw] (c) (6 pts) What is the shaft work available to power the generator? (kw] . Answer = 41893.6 v (d) (5 pts) Assume that the compressor, turbine, and generator are 100% efficient. You can sell electricity to Georgia Power for 4 cents per kW-hr profit. How much would you make with this device, per 24 hours of continuous operation? 4021718-1S/24 hrs! Answer .](http://img.homeworklib.com/questions/78a37040-3012-11eb-96b6-2fd3e684811d.png?x-oss-process=image/resize,w_560)
Homework Answers
Add Answer to:
Please solve and show work for each part thanks
s total) An adiabatic air compressor is...
11) An adiabatic compressor is to be powered by a direct-coupled adiabatic turbine that is also...
11) An adiabatic compressor is to be powered by a direct-coupled adiabatic turbine that is also driving a generator. Steam enters the turbine at 10 MPa and 500 °C at a rate of 15 kgs and exits at 20 kPa. The turbine isentropic efficiency is 85% Air enters the compressor at 98 kPa and 230C at a rate of 10 kg/s, and exits the compressor at 1.2 MPa. The compressor efficiency is 75 %. Determine: a) the power requirement of...
5-30 Air enters an adiabatic nozzle steadily at 300 kPa, 200°C, and 30 m/s and leaves...
5-30 Air enters an adiabatic nozzle steadily at 300 kPa, 200°C, and 30 m/s and leaves at 100 kPa and 180 m/s. The inlet area of the nozzle is 80 cm². Determine (a) the mass flow rate through the nozzle, (b) the exit temperature of the air, and (c) the exit area of the nozzle. Answers: (a) 0.5304 kg/s, (b) 184.6°C, (c) 38.7 cm P = 300 kPa T, = 200°C Vi = 30 m/s A = 80 cm AIR...
Thermo one Question 5 A steam turbine generates energy in the form of work at the rate of 346.1...
Thermo one Question 5 A steam turbine generates energy in the form of work at the rate of 346.1 kJ/kg of steam. The steam at the inlet of the turbine is at 8 MPa, 480oC, and at a velocity of 163.5 m/s. The steam exits the turbine at 2 MPa, 240oC, and a velocity of 55.3 m/s. Heat transfer to the surroundings occurs where the outer surface (boundary) temperature is at 333.5oC. Determine the rate of entropy production (kJ/kg-K) within...
1 MPa Isentropic Efficiency of a Compressor Refrigerant-134a enters an adiabatic compressor as a saturated vapor...
1 MPa Isentropic Efficiency of a Compressor Refrigerant-134a enters an adiabatic compressor as a saturated vapor at 100kPa at a rate of 0.7 m/min and exits at 1-MPa pressure. The isentropic efficiency of the compressor is 87%. R-134a Compressor Isentropic Compressor Work hs-h 100 kPa sat. vapor Actual Compressor Work Determine the refrigerant properties at the inlet and outlet for an isentropic process. Actual 2s entropic procEss Inlet state Determine the actual isentropic enthalpy from the efficiency. (Ans: 289.71 J/kg)...
4: Refrigerant-134a at 1 MPa and 90°C is to be cooled to 1 MPa and 40°C...
4: Refrigerant-134a at 1 MPa and 90°C is to be cooled to 1 MPa and 40°C in a condenser by air. The air enters at 100 kPa and 27 C with a volume flow rate of 600 m3/min and leaves at 95 kPa and 65°C Determine the mass flow rate of the refrigerant. 5: The hot- water needs of a household are to be met by heating water at 55°F to 180°F by solar collector at a rate of 5...
(33%) An insulated compressor is used in an air conditioner that uses R-134a as the working fluid...
(33%) An insulated compressor is used in an air conditioner that uses R-134a as the working fluid. The R-134a enters °C. The mass flow rate of the R-134a through the compressor is 0.1 kg/s. Determine the following: the compressor as a saturated vapor at 4 °C and exits at 10 bar, 70 1-a) The compressor inlet pressure in bar 1-b) The compressor work per unit mass in kJ/kg. 1-c) The compressor power requirement in kW.
(33%) An insulated compressor is...
Please show steps. Steam at 0.3 kg/s enters an adiabatic turbine at 2 MPa and 500°C....
Please show steps. Steam at 0.3 kg/s enters an adiabatic turbine at 2 MPa and 500°C. It exits at 100 kPa. If the isentropic efficiency is 95%, how much power is produced, in units of kW? Correct Answer is 514.1 m/s Thank you.
Air enters the compressor of a cold air-standard Brayton cycle at 100 kpa, 300 k, with...
Air enters the compressor of a cold air-standard Brayton cycle at 100 kpa, 300 k, with a mass flow rate of 6 kg/s. the compressor pressure ratio is 10, and the turbine inlet temperature is 1400 K. For k = 1.4, calculate a. The thermal efficiency of the cycle b. The back work ratio c. The net power developed, in kW d. Reconsider the above with an ideal regenerator.
Both simple Rankine and Brayton cycles produce a net power of 200MW. Air enters the compressor...
Both simple Rankine and Brayton cycles produce a net power of
200MW. Air enters the compressor at 100kPa, 25°C. The compressor
pressure ratio is 12.0, and the turbine inlet temperature is
1127°C. The turbine and compressor each have isentropic
efficiencies of 90.0%. Heat addition is from a thermal reservoir
with a temperature of 1127°C. Heat rejection is to a thermal
reservoir at an ambient temperature of 25°C. The HRSG is a set of
large heat exchangers having, on one side,...
A combined gas turbine-vapor power plant has a net power output of 100 MW. Air enters...
A combined gas turbine-vapor power plant has a net power output of 100 MW. Air enters the compressor of the gas turbine at 100kPa, 300K, and is compressed to 1200kPa. The isentropic efficiency of the compressor is 84%. The conditions at the inlet to the turbine are 1200kPa and 1400 K. Air expands through the turbine, which has an isentropic efficiency of 88%, to a pressure of 100kPa. The air then passes through the interconnecting heat exchanger, and is finally...
11) An adiabatic compressor is to be powered by a direct-coupled adiabatic turbine that is also driving a generator. Steam enters the turbine at 10 MPa and 500 °C at a rate of 15 kgs and exits at 20 kPa. The turbine isentropic efficiency is 85% Air enters the compressor at 98 kPa and 230C at a rate of 10 kg/s, and exits the compressor at 1.2 MPa. The compressor efficiency is 75 %. Determine: a) the power requirement of...
5-30 Air enters an adiabatic nozzle steadily at 300 kPa, 200°C, and 30 m/s and leaves at 100 kPa and 180 m/s. The inlet area of the nozzle is 80 cm². Determine (a) the mass flow rate through the nozzle, (b) the exit temperature of the air, and (c) the exit area of the nozzle. Answers: (a) 0.5304 kg/s, (b) 184.6°C, (c) 38.7 cm P = 300 kPa T, = 200°C Vi = 30 m/s A = 80 cm AIR...
1 MPa Isentropic Efficiency of a Compressor Refrigerant-134a enters an adiabatic compressor as a saturated vapor at 100kPa at a rate of 0.7 m/min and exits at 1-MPa pressure. The isentropic efficiency of the compressor is 87%. R-134a Compressor Isentropic Compressor Work hs-h 100 kPa sat. vapor Actual Compressor Work Determine the refrigerant properties at the inlet and outlet for an isentropic process. Actual 2s entropic procEss Inlet state Determine the actual isentropic enthalpy from the efficiency. (Ans: 289.71 J/kg)...
4: Refrigerant-134a at 1 MPa and 90°C is to be cooled to 1 MPa and 40°C in a condenser by air. The air enters at 100 kPa and 27 C with a volume flow rate of 600 m3/min and leaves at 95 kPa and 65°C Determine the mass flow rate of the refrigerant. 5: The hot- water needs of a household are to be met by heating water at 55°F to 180°F by solar collector at a rate of 5...
(33%) An insulated compressor is used in an air conditioner that uses R-134a as the working fluid. The R-134a enters °C. The mass flow rate of the R-134a through the compressor is 0.1 kg/s. Determine the following: the compressor as a saturated vapor at 4 °C and exits at 10 bar, 70 1-a) The compressor inlet pressure in bar 1-b) The compressor work per unit mass in kJ/kg. 1-c) The compressor power requirement in kW.
(33%) An insulated compressor is...
Air enters the compressor of a cold air-standard Brayton cycle at 100 kpa, 300 k, with a mass flow rate of 6 kg/s. the compressor pressure ratio is 10, and the turbine inlet temperature is 1400 K. For k = 1.4, calculate a. The thermal efficiency of the cycle b. The back work ratio c. The net power developed, in kW d. Reconsider the above with an ideal regenerator.
Both simple Rankine and Brayton cycles produce a net power of
200MW. Air enters the compressor at 100kPa, 25°C. The compressor
pressure ratio is 12.0, and the turbine inlet temperature is
1127°C. The turbine and compressor each have isentropic
efficiencies of 90.0%. Heat addition is from a thermal reservoir
with a temperature of 1127°C. Heat rejection is to a thermal
reservoir at an ambient temperature of 25°C. The HRSG is a set of
large heat exchangers having, on one side,...
Most questions answered within 3 hours.
-
Dealing with conflict, in my opinion, is a skill and an art. I
believe that those...
asked 5 minutes ago -
6. A long straight wire with circular cross section and radius
1.5 cm carries a 1.2...
asked 9 minutes ago -
Deacon Corporation has provided the following financial data
from its balance sheet and income statement:
Year...
asked 59 minutes ago -
List and discuss at least three variables from everyday life for
which you expect the variable ...
asked 57 minutes ago -
A high-pass filter consists of a 1.60 μF capacitor in series
with a 125 Ω resistor....
asked 1 hour ago -
A newly developed artificial intelligence has trouble
distinguishing hand-written numbers from hand-written alphabets.
There are pictures...
asked 1 hour ago -
The carbonate ion CO3 2- has multiple resonance structures.
a. Draw them and assign the hybridization...
asked 1 hour ago -
In doing an allocation for a basket purchase
Use the individual costs and the total market...
asked 1 hour ago -
what were the social political and economic causes and impacts of
the late 19th century urban...
asked 1 hour ago -
if the magnitude of a velocity vector is 10m/s and it
makes an angle of 45...
asked 1 hour ago -
Which amino acid has a basic R group?
A) tyrosine
B) Isoleucine
C) Glutamic Acid
D)...
asked 1 hour ago -
Is there the need for the government to have hackers. Please
share your thoughts.
asked 1 hour ago