ower plant producing 10 MW of power using air-standard regenerative Brayton cycle operating at steady state with intercooling and reheat. Operating data at principal states in the cycle are given in the table below. The states are numbered as in Fig. below. (a) Sketch the T–s diagram and determine (b) the mass flow rate of air, in kg/s, (c) the rate of heat transfer, in kW, to the working fluid passing through each combustor, (d) the thermal efficiency.

ower plant producing 10 MW of power using air-standard regenerative Brayton cycle operating at steady state with intercooling and reheat. Operating data at principal states in the cycle are given in the table below. The states are numbered as in Fig. below. (a) Sketch the T–s diagram and determine (b) the mass flow rate of air, in kg/s, (c) the rate of heat transfer, in kW, to the working fluid passing through each combustor, (d) the thermal efficiency.

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter28: Special Refrigeration Applications

Section: Chapter Questions

Problem 2RQ

See similar textbooks

Similar questions

39 - A fixed volume insulated tank, which was initially empty, was connected by a valve to a distribution line carrying helium gas at a temperature of 125ºC. The valve is opened first and closed when the pressure is the same as the distribution line pressure. What is the final internal energy of helium in the tank? (Internal energy of the warehouse in the final state = Enthalpy of the distribution line). (Cp=5.1926) will be taken. a) 2066.7 kJ/kg B) 2014.7 kJ/kg NS) 701.0 kJ/kg D) 649.1 kJ/kg TO) 2118.6 kJ/kg
Identify if the property of the following steam: Temp Specific Enthalpy Quality C kJ/kg % 287 2661 ?
This question requires the use of the extracts from the tables of thermodynamic properties supplied. Dry saturated steam at a temperature of 25oC is cooled isentropically such that its temperature falls to 15oC. What is the dryness fraction after the cooling process? a. 0.97 b. 0.93 c. 0.81 d. 0.85 e. 0.77
Thermodyanamics (Ideal Gas) air enters an ideal nozzle at a pressure of 45 psig with a temperature of 1,340F. The pressure at the nozzle exit is 14.925 psia. Determine the increase of kinetic energy of 1lb of air produced by an isentropic expansion through nozzzle, Btu/lb?
In a closed feedwater (FW) heater, a mixture enters the heater with a mass flow rate m1 and enthalpy h1 and leaves with an enthalpy h2. A second stream into the heater has a mass flow rate m2 and enthalpy h3 and it leaves with an enthalpy h4. What is a correct first law equation for this FW heater? m1·(h3 - h4) = m2·(h1 - h2) m1·(h1 - h2) = m2·(h4 - h3) m1·(h1 - h2) = m2·(h3 - h4) m1·m2 = (h1 -h2)·(h3 - h4) m1·(h1 - h3) = m2·(h2 - h4)
15 - A fixed volume insulated tank, initially empty, was connected to a distribution line carrying helium gas at a temperature of 135ºC by means of a valve. The valve is opened first and closed when the pressure is the same as the distribution line pressure. What is the final internal energy of helium in the tank? (Internal energy of the warehouse in the final state = Enthalpy of the distribution line). (Cp=5.1926) will be taken. a) 701.0 kJ/kg B) 597.1 kJ/kg NS) 2014.7 kJ/kg D) 2066.7 kJ/kg TO) 2118.6 kJ/kg
Wet saturated steam (x = 94.305 %) at 16 bar (hf = 859 kJ/kg, hfg = 1935 kJ/kg) reducing valve is throttled at a pressure of 8 bar (hf = 721 kJ/kg, hfg = 2048 kJ/kg). Determine the dryness fraction of the reduced pressure steam in %. If the steam table is needed, please use the green book entitled "Thermodynamics Properties of Water Including Vapor, Liquid, and Solid Phases" by Keenan, Keyes, Hill, and Moore.
A supply line carries a two-phase liquid-vapor mixture of steam at 300 lbf/in2. A small fraction of the flow in the line is diverted through a throttling calorimeter and exhausted to the atmosphere at 14.7 lbf/in2. The temperature of the exhaust steam is measured at 250 deg F. Determine the quality of the steam in the supply line.
21-The velocity of the air entering an adiabatic Sole is 25 m/s, its temperature is 112°C and its exit temperature is 33°C. What is the velocity of the air at the exit? A) 28,0 m/s B) 399,3 m/s C) 444,1 m/s D) 357,6 m/s E) 282,9 m/s
Stepwise Solution please. With the help of Maxwell equations prove that the specific heats of ideal gases are functions of temperature only.
Identify if the following phase is saturated, subcooled, superheated, or wet-mixture. Temp Specific Entropy Phase C kJ/kg-K 202 5.798 ?
Wet saturated steam (x = 94.339%) at 16 bar (h,= 859 kJ/kg, hrg = 1935 kJ/kg) reducing valve is throttled at a pressure of 8 bar (h,= 721 kJ/kg. htg = 2048 kJ/kg). Determine the dryness fraction of the reduced pressure steam in %. FINAL ANSWER MUST BE IN 3 DECIMAL POINTS.