Q1) Steam is supplied to a turbine at 30 bar and 350°C. The turbine exhaust pressure is 0.08 bar. The main condensate is heated regeneratively in two stages by steam bled from the turbine at 5 bar and 1.0 bar respectively. Calculate masses of steam bled off at each pressure per kg of steam entering the turbine and the theoretical thermal efficiency of the cycle. 1 kg Turbine -1-m- m2 0 1-m 1- m,- m2 m,, h, m2. Condenser 1 kg tww 1 kg Heater-1 Drain cooler m,+ m2 (H.P.) Heater-2 (LP.)

Q1) Steam is supplied to a turbine at 30 bar and 350°C. The turbine exhaust pressure is 0.08 bar. The main condensate is heated regeneratively in two stages by steam bled from the turbine at 5 bar and 1.0 bar respectively. Calculate masses of steam bled off at each pressure per kg of steam entering the turbine and the theoretical thermal efficiency of the cycle. 1 kg Turbine -1-m- m2 0 1-m 1- m,- m2 m,, h, m2. Condenser 1 kg tww 1 kg Heater-1 Drain cooler m,+ m2 (H.P.) Heater-2 (LP.)

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

Related questions

Q: operate on Brayton cycle with a pressure ratio of 8, the maximum and minimum temperature of the…

A: Solution is attached below

Q: Draw a schematic diagramof each problem with labels of states of a substance; For uniformity…

Q: times the minimum and that the temperature during the heat rejection process is 100 F. are cons

Q: A turbine operates under the following conditions, steam being bled off from two stages for feed…

Q: Steam at a pressure of 0.08 bar and a quality of 87.4% enters a shell-and-tube heat exchanger where…

A: The steam pressure is .The quality of steam entering the tube is .The mass flow rate of steam is…

Q: A reheat cycle with two stages of reheating is executed, with steam expanding initially from 90 bar…

Q: Question B1 - Compression Before entering the engine of a BMW320D, air drawn in at 20°C and…

A: according to the details provided

Q: Steam at 140 bar and 400C enters the high pressure turbine and expands to 3 bar. 5400 kg/hr of this…

A: Given that: For the high pressure turbine input conditions are: 140 bar and 400C 5400 kg/hr s team…

Q: A Carnot power cycle operates on 31b of air between the limits of 800°F and 600°F. Th pressure at…

Q: 2. A steam turbine installation takes steam at 70 bar, with 100°C of superheat, and expands to an…

A: Steam at 70 bar, 100°C of superheat: At P1=70 bar, t1=tsat+100=285.8+100=385.8°C h1=3118.45…

Q: 5. Steam with a flow rate of 1360 kg/h enters an adiabatic nozzle (adiabatic, Q=0) at 1378 kPa,…

Q: Air operating in a closed cycle consists of the following processes. Process 1-2: Reversible…

A: Isentropic compression:- It is an adiabatic process where decrease in volume results in increase in…

Q: a) The mass flow rate of the fuel Number kg/hr b) The equivalent evaporation of the boliler in kg…

A: Need to calculate mass flow rate of the fuel and equivalent evaporation of boiler

Q: Steam enters a well-insulated turbine at 500 bar and 600oC with a velocity of 100 m/s. The stream…

Q: Q29. Steam enters the condenser of a power plant at 3 psia and a quality of 95% with a ratio of mass…

Q: H.W: - Steam at 15bar & 330°C expand isentropically in a turbine to 0.12 bar if the flow rate of…

Q: A high-pressure gas turbine has an inlet turbine temperature of 927°C and the inlet compressor…

Q: Explain, carefully, the terms" dryness fraction" and "superheat" as applied to steam. The feed water…

A: The above question is based on boiler feed water.

Q: gas-turbine engine with regeneration operates with two stages of compression and two stages of…

Q: 1. An industrial company operates a steam power plant with reheat and regeneration. The steam enters…

Q: 2. Consider an ideal gas turbine cycle in which air enters the compressor at 1 bar and 18 °C. The…

A: Given Data State 1: 1 bar,18°C State 2:3.5 bar State 3:600°C

Q: A reheat cycle with two stages of reheating is executed, with steam expanding initially from 90 bar…

Q: 3. Consider the combined reheat and regeneration cycle depicted in the image below. Calculate the…

A: The T-s diagram of the given cycle is To determine, the thermal efficiency of the cycle

Q: 3. Steam enters the turbine at the rate of 1.5 kg/s with enthalpy of 2300 kJ/kg and exhaust enthalpy…

A: Find the turbine work in HP.

Q: 4. Air at 150 Psi and 900F is expanded in a gas turbine to 10 psi and 279F. The air enters the…

Q: 9. A boiler burns coal with a calorific value of 25 MJ/kg. the fluid inside it has initial internal…

Q: 3. Steam at 140 bar and 400°C enters the high pressure turbine and expands to 3 bar. 5 400 kg/hr of…

Q: 3. Steam enters the turbine at the rate of 1.5 kg/s with enthalpy of 2300 kJ/kg and exhaust enthalpy…

A: The turbine work is 614.075 HP.

Q: 2. In Otto Cycle, air at 18°C is first compressed to one- eight of its original volume. If the heat…

A: Given Data The temperature at point 1 is: T1=18°C=291 K The volume at point 2 is: v2=v18 The…

Q: NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to…

Q: Termodynamic question I NEED ANSWER RARIDLY PLEASE!!! Water vapor enters the steam turbine at 4000…

A: Given data: For turbine: at inlet, P1=4000 kPa, T1=500 °C, V˙1=6 m3/hr At state 2, some amount of…

Question

Q1) Steam is supplied to a turbine at 30 bar and 350°C. The turbine exhaust pressure is
0.08 bar. The main condensate is heated regeneratively in two stages by steam bled from
the turbine at 5 bar and 1.0 bar respectively. Calculate masses of steam bled off at each
pressure per kg of steam entering the turbine and the theoretical thermal efficiency of the
сycle.
1 kg
Turbine
1- m- m2
O 1-m,
m,- m.
Condenser
m,. h,
m2.
1 kg
www
kg
Drain cooler
m2
Heater-1
+
(Н.Р.)
Heater-2
(LP.)

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Step 5

Step by step

Solved in 5 steps with 5 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

In a steady-state operating power plant, saturated liquid H2O at 122 deg C is fed to a boiler at 3.756 m/s through a pipe (0.03 m diameter). It leaves the boiler at 9 bar and 88.7 m/s. Then, it enters the turbine through a constant 0.13 m diameter pipe. The exit pipe of the turbine is 0.3 m in diameter and T = 310ºC while P = 1.37 bar. If 2.5 kg/s water is fed and there is change in KE, prove that the fluid enters the turbine at 637.06 deg C.
Steam is delivered to turbine at 5.4 MPa and 600 degree C. Before condensation at 31 degree C, steam is extracted for feed water heating at 0.6 MPa. The turbine exhaust is 60 degree C. the required values of some state point properties are tabulated below. 10. Calculate the net work of the cycle.
thermodynamics
Read the question carefully before answering. Box or indicate your final ansurers when solving and draw your diagrams cleanly. Complete solution please. Use 2 decimal places when solving and for final answers. Draw the PV and TS diagram with proper label of points when required. 1. An Otto Cycle receives air at 101 kPa and 20c, then compresses it to 10% of the original volume. The max temperature of the air is 1050 K. Draw the PV and TS diagrams, and selve for the following: the remaining temperatures, QA, QR. Whet and efficiency.
A geothermal power plan has the following data: specific enthalpy at final stage equal to 28.5 KJ/kg, specific enthalpy at well head side equal to 42.8 KJ/kg, mass of the liquid equal to 18 kg. Calculate the work-power capacity of the plant. 457.50 KJ B 357.25 KJ (c) 292.35 KJ 257.40 KJ
3. A medium size power station is used to produce 30 MW net power for a refinery. The station uses steam as the operating fluid and operates according to the Carnot cycle between the pressure limits of 0.4 bar and 35 bar. Steam enters the boiler as a saturated liquid and leaves it as a dry saturated vapour. (vii) Using the highest and lowest temperature values in the cycle, recalculate the efficiency of the cycle and show that it is equivalent to the result in part (vi). (viii) Calculate the thermal efficiency of the power station if the isentropic efficiency of the steam turbine is 94%. (ix) State main disadvantages of using the Carnot cycle as the basis for a power station. (x) State the name of the cycle that is used in practice in power stations, along with three key benefits over the Carnot cycle.
!
A steam turbine is supplied with steam at 20.6 bar and 399°C. After the steam has expanded to 4.04 bar, it is reheated to 315.5°C and then expands down to a pressure of 0.065 bar. The efficiency of each expansion may take as 75%. 1. Determine the thermal efficiency, in percentile (%), of the cycle. 2. Determine the mass of steam required in kg per kW·hr.
Superheated steam from the boiler expands in the turbine from inlet pressure p₁ of 50 bar and temperature 7 of 487 °C to condenser pressure p2 of 18 kPa. In the condenser, the steam condenses to saturated water. The isentropic efficiency of the turbine ns is 78.0 %. The mass flow of steam 9m,h is 140 kg/s. In the boiler, heat flow rate to the circulating fluid (water/steam) is 458 MW. Read from h,s-diagram and calculate: 1. Enthalpy of the superheated steam h kJ/kg (with zero decimal accuracy) 2. Enthalpy of the steam at turbine outlet after isentropic expansion h₂s kJ/kg (with zero decimal accuracy) 3. Enthalpy of the steam at turbine outlet h₂ kJ/kg (with zero decimal accuracy) 4. Turbine power Pt MW (with one decimal accuracy) 5. Steam content at the turbine outlet X2 kJ/kg (with two decimal accuracy) 6. Enthalpy after condenser h3 kJ/kg (with zero decimal accuracy) 7. Thermal power of condenser Qc 8. Thermal efficiency of the plant n MW (with one decimal accuracy) % (with one…
A generator uses a gas turbine cycle. Air enters the compressor at a pressure of 1 bar and a temperature of 30°C with a compressor efficiency of 0.85. Hot gas exits the combustion chamber at a pressure of 9 bar and a temperature of 900°C. The power generated by the turbine is 2400 kW with a turbine efficiency of 0.82. a. Draw installation diagrams and T-s cycle process diagramd b. Determine the work of the compressor and turbine and the mass rate of the air requirement c. Cycle thermal efficiency (air: Cp=1,005 kJ/kg. K dan γ=1.4; Gas hot: cp=1,005 kJ/kg K and γ=1.4)
2. In Otto Cycle, air at 18°C is first compressed to one-ninth of its original volume. If the heat input to the cycle is 460 KJ/Kg of air, determine a. The temperature of the remaining points in the cycle. b. The ratio of the maximum and minimum pressure in the cycle.
A=83 B=87