A=0Homework Answers
Add Answer to:
A=0
B=3
C=4
D=0
4. [12 pts) A block diagram of a Brayton Cycle is shown...
An aircraft engine operates on a simple ideal Brayton cycle with a pressure ratio rp of...
An aircraft engine operates on a simple ideal Brayton cycle with
a pressure ratio rp of 9. Heat is added to the cycle at a rate of
490 kW; air passes through the engine at a rate of 1.1 kg/s; and
the air at the beginning of the compression is at P1 = 71 kPa and
T1 = 0 oC. Use constant specific heats at room temperature. The
properties of air at room temperature are cp =1.005 kJ/kg.K and k...
4. A regenerative two-stage gas turbine with reheat operating on the standard-air Brayton cycle i...
4. A regenerative two-stage gas turbine with reheat operating on
the standard-air Brayton cycle is illustrated in Figure 3. In an
ideal Brayton cycle, the processes in the turbines and compressor
are adiabatic and isentropic, and the air flows through the
combustor and heat exchangers at constant pressure.
a) Show that the maximum total work output is
developed when the pressure ratio is the same across each stage, if
the temperature at the inlet to each turbine stage is the...
An air-standard Brayton cycle includes a regenerator which is shown in the below figure. The air...
An air-standard Brayton cycle includes a regenerator which is shown in the below figure. The air enters the compressor at 100 kPa, 20℃. The pressure ratio across the compressor is 9:1. The highest temperature in the cycle is 1100℃, and the flow rate of the air is 10 kg/s. The regenerator operates at effectiveness 80 percent. Both the efficiencies of the turbine and the compressor are 85%. Do not use Table A-22. Assuming constant specific heat ( cp = 1.004...
An ideal Brayton cycle with regeneration is shown below. Note that from 1 to 6, there...
An ideal Brayton cycle with regeneration is shown below. Note
that from 1 to 6, there is a heat rejection process. The pressure
ratio is 10 and the inlet to the compressor is at 300 K and 100
kPa. The maximum temperature is 1100 K. Use air as the working
fluid, and assume constant properties evaluated at 300
K.
(a) Find the net work output and the cycle efficiency assuming
the effectiveness of the regenerator is 100%
(b) Plot the...
1.) Consider the gas turbine with air-standard Brayton cycle shown below Temperature, T and Pressure, P...
1.) Consider the gas turbine with air-standard Brayton cycle shown below Temperature, T and Pressure, P are measured at the following points in the cycle: Turbine: input: TH = 1200 K, PH = 800 kPa output: TL = 662.4 K, PL = 100 kPa Compressor: input Tc = 300 K, Pc = 100 kPa output: Th = 543.4 K, Ph = 800 kPa Note: the working fluid is air which has Cp = 1.005 kJ/kg.K, k = 1.4, R =...
A Brayton cycle operates with regencration with air as the working fluid.
A Brayton cycle operates with regencration with air as the working fluid. Air enters the compressor at \(95 \mathrm{kPa}\) and \(290 \mathrm{~K}\) and the turbine at \(760 \mathrm{kPa}\) and \(1100 \mathrm{~K}\). Heat is transferred in the combustion region at a rate of \(75,000 \mathrm{~kJ} / \mathrm{s}\). The compressor Operates isentropically. The effectiveness of regenerator is \(80 \%\). The compressor and turbine operate is entropically. There are no pressure changes in the regenerator or combustion region. \(\mathrm{h}_{1}=290.16 \mathrm{~kJ} / \mathrm{kg}:\)\(\mathrm{h}_{2}=526.12 \mathrm{~kJ}...
Combined cycle power plants are common because of their high efficiency and scalability. They typically combine a gas turbine cycle (the Brayton Cycle) with a steam turbine cycle (the Rankine Cycle) [...
Combined cycle power plants are common because of their high efficiency and scalability. They typically combine a gas turbine cycle (the Brayton Cycle) with a steam turbine cycle (the Rankine Cycle) [1]. The goal of this project is to determine the operating efficiency and profitability of a realistic combined cycle power plant. The power plant is as follows: 1. A natural gas-fired Brayton cycle with mÛ air,Br = 1.25 kg s−1 . (a) Ambient air at 1 bar and 300...
Use a simple Brayton cycle gas turbine as the baseline for the following questions. Use a...
Use a simple Brayton cycle gas turbine as the baseline for the
following questions. Use a cold-air-standard analysis (R=0.287
kJ/kg-K, k=Cp/Cv=1.40, Cp= (k/(k-1))*R = 1.0045 kJ/kg-K) with the
following specifications:
Use a simple Brayton cycle gas turbine as the baseline for the following questions. Use a cold-air-standard analysis (R=0.287 kJ/kg-K, k=Cp/Cv=1.40, Cpr (k/(k-1))*R = 1.0045 kJ/kg-K) with the following specifications: Mass Inlet Press. Pressure Turbine Isentropic Eff Neglect combustion chemistry Flowrate T p Ratio Inlet T Comp Turb Neglect minor...
Need help for this Brayton Cycle problem. Please help me 4. (30 marks) A gas-turbine power plant operates on the simple...
Need help for this Brayton Cycle problem.
Please help me
4. (30 marks) A gas-turbine power plant operates on the simple Brayton cycle between the pressure limits of 100 kPa and 800 kPa. The T-s diagram of this cycle is shown in Fig. 2. Air enters the compressor at 30°C and leaves at 330°C at a mass flow rate of 200 kg/s. The maximum cycle temperature is 1400 K. During operation of the cycle, the net power output is measured...
An aircraft engine operates on a simple ideal Brayton cycle with
a pressure ratio rp of 9. Heat is added to the cycle at a rate of
490 kW; air passes through the engine at a rate of 1.1 kg/s; and
the air at the beginning of the compression is at P1 = 71 kPa and
T1 = 0 oC. Use constant specific heats at room temperature. The
properties of air at room temperature are cp =1.005 kJ/kg.K and k...
4. A regenerative two-stage gas turbine with reheat operating on
the standard-air Brayton cycle is illustrated in Figure 3. In an
ideal Brayton cycle, the processes in the turbines and compressor
are adiabatic and isentropic, and the air flows through the
combustor and heat exchangers at constant pressure.
a) Show that the maximum total work output is
developed when the pressure ratio is the same across each stage, if
the temperature at the inlet to each turbine stage is the...
An ideal Brayton cycle with regeneration is shown below. Note
that from 1 to 6, there is a heat rejection process. The pressure
ratio is 10 and the inlet to the compressor is at 300 K and 100
kPa. The maximum temperature is 1100 K. Use air as the working
fluid, and assume constant properties evaluated at 300
K.
(a) Find the net work output and the cycle efficiency assuming
the effectiveness of the regenerator is 100%
(b) Plot the...
A Brayton cycle operates with regencration with air as the working fluid. Air enters the compressor at \(95 \mathrm{kPa}\) and \(290 \mathrm{~K}\) and the turbine at \(760 \mathrm{kPa}\) and \(1100 \mathrm{~K}\). Heat is transferred in the combustion region at a rate of \(75,000 \mathrm{~kJ} / \mathrm{s}\). The compressor Operates isentropically. The effectiveness of regenerator is \(80 \%\). The compressor and turbine operate is entropically. There are no pressure changes in the regenerator or combustion region. \(\mathrm{h}_{1}=290.16 \mathrm{~kJ} / \mathrm{kg}:\)\(\mathrm{h}_{2}=526.12 \mathrm{~kJ}...
Use a simple Brayton cycle gas turbine as the baseline for the
following questions. Use a cold-air-standard analysis (R=0.287
kJ/kg-K, k=Cp/Cv=1.40, Cp= (k/(k-1))*R = 1.0045 kJ/kg-K) with the
following specifications:
Use a simple Brayton cycle gas turbine as the baseline for the following questions. Use a cold-air-standard analysis (R=0.287 kJ/kg-K, k=Cp/Cv=1.40, Cpr (k/(k-1))*R = 1.0045 kJ/kg-K) with the following specifications: Mass Inlet Press. Pressure Turbine Isentropic Eff Neglect combustion chemistry Flowrate T p Ratio Inlet T Comp Turb Neglect minor...
Need help for this Brayton Cycle problem.
Please help me
4. (30 marks) A gas-turbine power plant operates on the simple Brayton cycle between the pressure limits of 100 kPa and 800 kPa. The T-s diagram of this cycle is shown in Fig. 2. Air enters the compressor at 30°C and leaves at 330°C at a mass flow rate of 200 kg/s. The maximum cycle temperature is 1400 K. During operation of the cycle, the net power output is measured...
Most questions answered within 3 hours.
-
Suppose you plan to invest $5,000 each year (beginning at the
end of this year) into...
asked 2 minutes ago -
What is the cell potential of the following cell at 25
oC? Note Au is a...
asked 3 minutes ago -
The Poseidon Swim Company produces swim trunks. The average
selling price for one of their swim...
asked 5 minutes ago -
DNA to Protein
Describe the mutation that created the HbS allele:
type of mutation, location of...
asked 9 minutes ago -
1a)When a 5000-kg roller coaster train full of riders approaches
the loading dock at a speed...
asked 9 minutes ago -
Which attribute allows you to specify a custom "thumbnail" for
multimedia elements?
asked 10 minutes ago -
USE THE FOLLOWING INFORMATION TO ANSWER THE NEXT (6)
QUESTIONS:
The following is a December 31,...
asked 12 minutes ago -
1. Why are the advantages and disadvantages of object-oriented
databases? 2. What are data marts? How...
asked 28 minutes ago -
A Porsche challenges a Honda to a 4.00×102m race. Because the
Porsche's acceleration of 3.30 m/s2...
asked 29 minutes ago -
A sample of C3H8 has 1.60×1024 H atoms.
How many carbon atoms does the sample contain?...
asked 1 hour ago -
How many unique codes are possibly formed from two characters,
where the first character can be...
asked 51 minutes ago -
A concentration cell is built based on the reaction:
2H+ + 2e- ----> H2
The pH...
asked 47 minutes ago