(8.3) Steam is supplied to a two-stage turbine at 40 bar and 350°C. It expands in the firstturbine until it is just dry saturated, then it is re-heated to 350°C and expanded throughthe second-stage turbine. The condenser pressure is 0.035 bar. Calculate the work outputand the heat supplied per kilogram of steam for the plant, assuming ideal processes andneglecting the feed-pump term. Calculate also the specific steam consumption and thecycle efficiency.

There is a two-stage steam turbine system involved in the issue. This is an overview of the issue:…

Answered: (8.3) Steam is supplied to a two-stage…

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

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Steam is supplied to a two-stage turbine at 40 bar and 350 o It expands in the first turbine until it is just dry saturated, then it is reheated to 350 oC and expanded through the second stage turbine; the isentropic efficiencies of the first and second stage turbines are 84 % and 78 % respectively. The condenser pressure is 0.035 bar. Sketch the process on a T-s diagram and calculate; i. The work output and heat supplied per kg of steam for the plant assuming ideal processes ii. The thermal efficiency of the cycle iii. The specific steam consumption
1. Figure shows a reheat cycle in which steam is delivered to the high-pressure turbine at 1100 Ibf/in^2, 740 F, and expanded to 200 Ibf/in^2. After the expansion, the steam is warmed to 720 F before being expanded to 1 lbf/in^2 in the low- pressure turbine. Assume the turbines and pump are adiabatic. Compute the high pressure isentropic turbine work. High Q'în Boi ler Condenser Pump Q out 166.8 Btu/lbm 200.1 Btu/lbm 190.2 Btu/lbm 231.1 Btu/lbm 120.5 Btu/lbm
A medium size power station is used to produce 30 MW net power for arefinery. The station uses steam as the operating fluid and operatesaccording to the Carnot cycle between the pressure limits of 0.4 bar and35 bar. Steam enters the boiler as a saturated liquid and leaves it as adry saturated vapour. (i) Calculate the thermal efficiency of the power station if theisentropic efficiency of the steam turbine is 94%. (ii) State main disadvantages of using the Carnot cycle as the basis fora power station. (iii) State the name of the cycle that is used in practice in powerstations, along with three key benefits over the Carnot cycle.
Solve question 8.4 in the given image.
Please Answer all my Question .. Please help me , I don't want plagiarism.
Problem 3 (activity) A regenerative steam turbine has a throttle pressure of 3.8 MPa at 380°C and a condenser at 0.01 MPa. Steam are extracted at the following points: 2.0 MPa, 1.0 MPa, and at 0.2 MPa. For the ideal cycle, find (a) The amount of steam extracted (b) W, Q, and e. (c) For an ideal engine and the same states, compute (d) W, Q, and e and
Steam is supplied to a two-stage turbine at 40 bar and 350°C. It expands in the first turbine until it is just dry saturated, then it is re-heated to 350°C and expanded through the second-stage turbine. The condenser pressure is 0.035 bar. Calculate the work output and the heat supplied per kilogram of steam for the plant, assuming ideal processes and neglecting the feed-pump term. Calculate also the specific steam consumption and the cycle efficiency,
In a reheat cycle steam at 15 MPa, 540 degrees Celsius enters the engine and expands to 1.95 MPa. At this point the steam is withdrawn and passes through a reheater. It reenters the engine at 540 degrees Celsius. Expansions now occur to the condenser pressure of 0.0035 MPa. Find the efficiency.
The condensing pressure for a Rankine engine is 0.001325 MPavac. Calculate the following for steam flow rate = 1 + (200/13) kg/sec of steam when the steam at the beginning of expansion is at 119.6 deg SH and 4.0 Mpaa. Draw the TS and equipment diagrams for the ideal and actual case and find for the following for the ideal case: PV and TS diagrams of the cycle showing ideal and actual process lines Heat rejected at condenser (KJ/sec). Ans.____________________________ Mass of cooling water in kg/sec if cp H2O = 4.18 KJ/kg-K, and inlet temp of water to condenser = 20 deg C, outlet temp is 35 deg C. Ans.____________________________ Rankine engine efficiency (%). Ans.____________________________ Cycle thermal efficiency ( %). Ans.____________________________
A steam power plant operating on a simple ideal Rankine cycle maintains the boiler at 6000 kPa, turbine inlet at 600°C, and condenser at 50 kPa. Calculate and Compare the thermal efficiency of this cycle when a) It is operated in such a way that the liquid enters the pump as saturated liquid at the pressure of the pump. condenser. b) It is operated in such a way that the liquid enters the pump 11.3 °C colder than a saturated liquid. at condenser pressure. c) Plot the process from a) on a T-s diagram.
a. Calculate the thermal efficiency and turbine-exit quality for an Ideal Rankine Cycle where the steam exits boiler at 5MPa, 450C and the condenser pressure is 15 kPa. Draw the systems and the Ts diagram for the process. b. Calculate also the thermal efficiency and turbine-exit quality if the system is modified to an Ideal Reheat Rankine Cycle where the reheat takes place at 1 MPa and the steam leaves the reheater at 500C. Draw the systems and the Ts diagram for the process and discuss your findings of these two systems.
Pleae solve this problem and give an explanation of how you have picked up values from steam tables... Also explain how would we find enthalpy after fluid expansion in first turbine

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