19. In the Brayton cycle shown in the figure, pressure drop at the heat sink is neg- ligible hence, rc # rr. a) Draw the T-s diagram and explicitly show the differences between the pressure levels of states 1 and 3. b) Use the given data to find rc and rr, assuming the working fluid is an ideal gas.| Reactor AP +0 Compressor Turbine T, = 704.4 C (1300 F) T - 1093.3 C (2000 F) Q = 0.381 kW me, -0.66 W/K (1.25 Btu/h R) "-0.9 1- 0.95 -0.35 AP =0 Cooling Tower Neyele (y- 1)/y= 0.4

19. In the Brayton cycle shown in the figure, pressure drop at the heat sink is neg- ligible hence, rc # rr. a) Draw the T-s diagram and explicitly show the differences between the pressure levels of states 1 and 3. b) Use the given data to find rc and rr, assuming the working fluid is an ideal gas.| Reactor AP +0 Compressor Turbine T, = 704.4 C (1300 F) T - 1093.3 C (2000 F) Q = 0.381 kW me, -0.66 W/K (1.25 Btu/h R) "-0.9 1- 0.95 -0.35 AP =0 Cooling Tower Neyele (y- 1)/y= 0.4

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

In an air-standard Brayton cycle the air enters the compressor at 0.1 MPa and 15°C. The pressure leaving the compressor is 1.0 MPa, and the maximum temperature in the cycle is 1100°C. Determine the pressure and temperature at each point in the cycle and the compressor work, turbine work, and cycle efficiency. For each of the control volumes analyzed, the model is ideal gas with constant specific heat, at 300 K, and each process is steady state with no kinetic or potential energy changes
Air undergoes Isothermal expansion in a Carnot cycle where the pressure decreases from 2.5 MPa to 1.5 MPa. This process has a temperature of 550 K and it decreases to 400 K beforethe Isothermal compression stroke. Find a.) Qa, b.) Qr, c.) Wnet(kJ/kg),d.)the efficiency(%), e.) draw the T-S diagram with proper label of points, and f.) the pressuresbefore and after Isothermal compression
Provide a complete and logical solution for the problem. If linear interpolation is required in the problem, tabulated values is considered as a solution. Also, provide T-S or P-V diagrams for each problem. For a Rankine Cycle, steam at 5.25 MPa, 435°C expands to 0.036 MPa. For 10 kg/s of steam, determine: a. Heat added b. Heat rejected c. Work of turbine d. Thermal Efficiency
For a steam turbine with the following data: Initial Temperature T0=36,7°C,Final temperature after the boiler T4=690,1°C , the initial pressure beingp0 = 1 bar, with a medium temperature Tm=151,9°C. Calculate the turbine efficiencyfor a simple Rankine proccess (without regenerative heating nor reheating). Results in %
Consider a cold air-standard Diesel cycle. Operating data at principal states in the cycle are given in the table below. The states are numbered as in Fig. 9.5 with p1 = 100 kPa, T1 = 340 K, and T3 = 4850.3 K, r = 15 and rc = 2. For n = 1.3, cv = 0.718 kJ/(kg-K), and cp = 1.005 kJ/(kg-K), determine p2 in bar. determine T4 in deg-C. determine T2 in deg-C. determine the heat transfer during heat addition process per unit mass in kJ/kg.
In an air standard Brayton cycle the air enters the compressor at 0.1 MPa, 25 ∘C. The pressure leaving the compressor is 1 MPa. and the maximum temperature in the cycle is 1200 ∘C. Assume a compressor efficiency of 80%, a turbine efficiency of 85%, and a pressure drop between the compressor and turbine of 30 kPa. Use the PG model. a) Determine compressor work (w_C), b) Determine the turbine work (w_T), c) Determine the cycle efficiency (n_th,Brayton).
picture attached and named as 3 is the main question, and picture attached and named as 4 are the two parts of that question in the first which is named as C, in that part find the relative efficiencyin the second which is not named, in that part draw the T-s diagram for the cycle with labelled property values(kindly see the picture 3 for more clear guidance).
A Rankine steam cycle modified for reheat and three closed feedwater heaters is shown below. The high-pressure turbine receives 80 kg/s of steam from the steam boiler. The feedwater heater exit states for the boiler feedwater and the condensed steam are the normally assumed ideal states. The following data tables give the saturation data for the pressures and data for h and s at selected states. Take cp, water = 4.18 kJ/kg·K. Process states and selected data State P, kPa T, °C h, kJ/kg s, kJ/kg·K 1 10 2 5000 3 5000 4 5000 5 5000 6 5000 7 5000 700 3900 7.5136 8 2500 3615 7.5136 9 2500 600 3687 7.5979 10 925 3330 7.5979 11 300 3011 7.5979 12 75 2716 7.5979 13 10 2408 7.5979 Saturation data P, kPa T, °C vf, m3/kg hf, kJ/kg sf, kJ/kg·K 10 45.8 0.001010 191.8 8.149 75 91.8 0.001037 384.4 7.456 300 133.5 0.001073 561.4 6.992 925 176.5 0.001123 747.7 6.612 2500 224.0 0.001197 961.9 6.256 5000…
Consider a cold air-standard Diesel cycle. Operating data at principal states in the cycle are given in the table below. The states are numbered as in Fig. 9.5 with p1 = 100 kPa, T1 = 340 K, and T3 = 4850.3 K, r = 15 and rc = 2. For n = 1.3, cv = 0.718 kJ/(kg-K), and cp = 1.005 kJ/(kg-K), a.) determine T2 in deg-C. b.) determine p2 in bar. c.) T4 in deg-C. d.) the mean effective pressure in kPa, for the modified cycle. e.) the heat transfer during heat addition process per unit mass in kJ/kg.
The compression ratio of an Otto cycle as shown in the figure below is VA/VB = 9.00. At the beginning A of the compression process, 505 cm3 of gas is at 115 kPa and 20.0°C. At the beginning of the adiabatic expansion, the temperature is TC = 725°C. Model the working fluid as an ideal gas with ? = 1.40.
Brayton cicle Based on a gas turbine with superheat and intercooling, determine: 1) The thermal efficiency (ƞterm), in %. Use the expression ƞterm= 1 –(qL/ qH)2) How does gas turbine intercooling influence thermal efficiency?3) How and why? It is said that the gas turbine cycle with intercooling, reheating and regeneration is close to the Ericsson cycle.
Provide complete solution and detailed diagram. A Brayton cycle has an initial air temperature of 30oC. If pressure ratio is 12, find thecompressor work. A. 310.28 KJ/kg B. 313.28 KJ/kg C. 316.28 KJ/kg D. 319.28 KJ/kg