Q(3-3)A Brayton cycle with a reheating system using air as the working fluid has a pressure ratio of 7. The minimum and maximum temperatures in the cycle are 310 and 1150 K. The isentropic efficiencies is 75% for the both two turbines and 82% for the compressor. It is found that the temperature inlet at the low pressure turbine (LPT) is 1.2 of that at the exist of the high pressure turbine (HPT). The pressure at the second combustion chamber (C.C2) is 0.3 of that at the first combustion chamber (C.C1). Determine C.C1 C.C 2 Comp. HPT LPT The air temperature at the inlet of the first combustion chamber in K The air temperature at the exit of the pressure turbine in K The heat added at the first combustion chamber in k/kg The heat added at the second combustion chamber in kJ/kg

Q(3-3)A Brayton cycle with a reheating system using air as the working fluid has a pressure ratio of 7. The minimum and maximum temperatures in the cycle are 310 and 1150 K. The isentropic efficiencies is 75% for the both two turbines and 82% for the compressor. It is found that the temperature inlet at the low pressure turbine (LPT) is 1.2 of that at the exist of the high pressure turbine (HPT). The pressure at the second combustion chamber (C.C2) is 0.3 of that at the first combustion chamber (C.C1). Determine C.C1 C.C 2 Comp. HPT LPT The air temperature at the inlet of the first combustion chamber in K The air temperature at the exit of the pressure turbine in K The heat added at the first combustion chamber in k/kg The heat added at the second combustion chamber in kJ/kg

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

An ideal reheat rankine cycle is characterized by a steam generator pressure of 11 MPa and a temperature of 600°C. The turbine operates in such a way that the quality of steam leaving should not be more than 0.896. If the condensing pressure is 10 kPa, what isa. the reheating pressureb. the thermal efficiency of the cycle
An ideal Otto Cycle has a compression ratio of 10. At the beginning of the compression process, air is at 100 kPa, 0.004 m³ and 10°C. The maximum cycle temperature is 1200°C. Use cold-air-standard assumptions (c, = 1.005–, c, = 0.718-.k = 1.4), determine kgk' kgK' a) Maximum pressure in the cycle b) the heat rejection and the net work output, c) the thermal efficiency. P. kPa Isentropic Isentropic 100
The net work output and the thermal efficiency for the Carnot and the simple ideal Rankinecycles with steam as the working fluid are to be calculated and compared. Steam enters theturbine in both cases at 10 MPa as a saturated vapor, and the condenser pressure is 20 kPa.In the Rankine cycle, the condenser exit state is saturated liquid and in the Carnot cycle, theboiler inlet state is saturated liquid. Draw the T-s diagrams for both cycles.
9MPa pressure and 600C to steam high pressure turbine to ideal Rankine cycle with reheatit enters at high temperature and leaves as saturated steam. Steam is low at 500C by reheating.pressure enters the turbine and condenses in the condenser at 7kPa. If the mass flow is 150 kg / sFind the net power, heat transferred in intermediate heating and thermal efficiency.
2) The compression ratio of an ideal Otto cycle is 7 and prior to compression air is at 285K and 90kPa. The maximum pressure of the cycle is 4100kPa. Assuming that the specific heats are constant where k = 1.4 and cp = 1.005 kJ/kgK. Calculate - ₂ d) the second law efficiency of the cycle if heat is transferred from a source having a temperature of 2000K and heat is rejected to ambient air having a dead state temperature of 285K.
An idealcold air-standard Brayton cycle produces some quantity of power. Air with a mass flow rate of 6 kg/s enters the compressor at 100 kPa, 300 K.It is also known that the compressor has a pressure ratio of 10 and the turbine inlet temperature is 1400 K.If k = 1.4for the working fluid, determine the thermal efficiency, the ratio of back work, and the net power for the cycle in kW.
3. A simple ideal Rankine cycle which uses water as the working fluid operates its condenser at 40 °C and its boiler at 300 °C. Calculate the work produced by the turbine, the heat supplied in the boiler, and the thermal efficiency of this cycle when the steam enters the turbine without any superheating. Wpump.in Pump 0-1 9in Boiler 13 qout Turbine Condenser Wturb,out 4
In a Rankine cycle, steam enters the turbine at 2.5 MPa and condenser at 50 kPa, what is the thermal efficiency of the cycle?
An Ideal Reheat Cycle , steam enters the high pressure turbine at 750 psia and 800F and leaves at 100 psia. It is then reheated to 800F, passes through the low pressure turbine and exhausts to a condenser at 1 psia. Find the thermal efficiency of the cycle in %. From Steam Table h1 =1401.5 Btu/lb h2 =1189.96 Btu/lb h3 =1429.8 Btu/lb h4 = 1031.13 Btu/lb h5 = 69.72 Btu/lb h6 = 72.09 Btu/lb (include the diagram)
Open feed water heater in the power plant operating according to the Rankine cycle with ideal intermediate steam is used. Turbine inlet state is 10MPa 650C. Condenser pressure is 10 kPa. Intermediate steam taking takes place at a pressure of 2 MPa. The intermediate steam mass flow rate depends on the total mass flow. Find the ratio. Find the thermal efficiency. TIP: Treat the mass flow entering the turbine by saying 1, and r for the intermediate steam. Result: r = 0.239, yield 45.2%
Show complete solutions. In an ideal reheat-regenerative cycle, steam enters the turbine at 8.1547 Mpa and 400.547°C. After expansion to 280.547°C the steam is withdrawn and reheated to 340°C. Extractions for feedwater heating occurs at 1.6547 Mpa and 0.70547 Mpa and condenser pressure is 0.005547 Mpa a) For ideal cycle, find e,? b) Draw the schematic diagram and T-s diagram with label.
In a Rankine Cycle, steam enters the turbine at 2.5 MPa and condenser of 50KPa.What is the thermal efficiency of the cycle?