This steam maybe supplied from an extraction turbine which receives steam at 4 MPa and 380°C. The remainder of steam re-enter the steam generator for reheating at 380°C and 0.7 MPa before condensing at 0.0034 MPa. A. Draw the most probable schematic diagram B. Draw the actual T-s diagram C. Compute for: 1. ideal work 2. engine thermal efficiency 3. cycle thermal efficiency D. For turbine efficiency of 85%, mechanical efficiency of 90% and generator efficiency of 95%, find: 4. indicated steam rate 5. brake heat rate 6. combined engine thermal efficiency.

This steam maybe supplied from an extraction turbine which receives steam at 4 MPa and 380°C. The remainder of steam re-enter the steam generator for reheating at 380°C and 0.7 MPa before condensing at 0.0034 MPa. A. Draw the most probable schematic diagram B. Draw the actual T-s diagram C. Compute for: 1. ideal work 2. engine thermal efficiency 3. cycle thermal efficiency D. For turbine efficiency of 85%, mechanical efficiency of 90% and generator efficiency of 95%, find: 4. indicated steam rate 5. brake heat rate 6. combined engine thermal efficiency.

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

A reheater cycle is executed of 1 kg steam expanding initially from 12.547 Mpa and540.547 oC. The reheater pressures are 2.5547 Mpa and the steam leaves the reheaterat 420.547 oC. Condensation occurs at 0.02547 Mpa. Calculate W, ec and ee.
Steam is generated at 5.15 Mpa and 525C and condensation occurs at 0.127 Mpa. Considering that a Rankine cycle occurs between the same limits, determine the QA, QR, Wnet, cycle efficiency, engine efficiency and heat rate. What mass flow rate is required for a net output of 25000 kW?
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. 9. Calculate the total pump work of the cycle
A reheat cycle with two stages of reheating is executed, with steam expanding initially from 202.65 and 540 deg. C. The two reheater pressures are 40 bar and 10 bar, and steam leaves each reheater at 540 deg. C. Condensation occurs at 60 deg. C. Sketch the Ts - diagram. For an ideal cycle, find Qa and e. For the engine operating between the same conditions compute W and e. For a 362, 500 kg/h steam and 100 MW generator output at 94% efficiency, for actual engine, find combined thermal efficiency and combined heat rate and combined engine efficiency and quality of the actual exhaust steam. (3 decimal places in final answer pls)
The condensing pressure for a Rankine Engine is 1.6 bar. 200°C and the steam at the beginning of expansion is at 3.75 Mpa, 400°C. Calculate the efficiency of cycle and engine using the mollier chart. Draw P-V and T-S diagram. Can you show me the detailed step-by-step solution using the given formula?
Solve neatly and draw diagrams. write neatly An regenerative engine receives 68,000 kg/hr of steam having 1 open heater which receives 15,400 kg/h of Bled steam. If the condenser pressure is 0.008 MPa and the open heater pressure is 0.98 MPa find the enthalpy a) at the heater entrance, b) condenser entrance.
Complete and legible solution please; The condensing pressure for a Rankine engine is 1 bar. Calculate the work net in KW and thermal efficiency of the cycle when the steam at the beginning of expansion is at 50 bar and (a) saturated, (b) 350 OC, and (c) 640 OC. Note: 1 bar is equal to 100 Kpa
Steam is delivered to turbine at 5.4 Mpa and 600C. Before condensation at 31C, steam is extracted for feedwater heating at 0.6 Mpa. For an ideal regenerative cycle, find the thermal efficiency. (Attach your T-S and schematic diagram of this problem)
a steam 8.0 MPa and 485 degree Celsius enters the turbine and expand at condenser pressure of 0.006 mpa for cycle and 1kg of steam. determine A.) heat added, B.) Wnet, C.) Thermal Efficiency. And for the engine, Determine the steam flow and the energy output of 40,000 Kw, E.) Wturbine, F.) Energy Chargable, G.) Ideal Heat rate
A rankine cycle with three stages of reheating is executed with steam expanding initially from 18.111 Mpa and 540oC. The pressure of three reheaters are 4.0111 Mpa, 2.5111 Mpa and 0.98111 Mpa, and the steam leaves the first reheater at 500oC, the second 480oC. Condensation occurs at 0.4111 Mpa. Calculate W,ec, and ee.
In a reheat cycle steam at 15 MPa, 540 ̊C enters the engine and expands to 1.95 MPa.At this point the steam is withdrawn and passed through a reheater. It reenters the engineat 540 ̊C. Expansion now occurs to the condenser pressure of 0.0035 MPa (a) For theideal cycle, find e. (b) A 60,000 kw turbine operates between the same state piontsexcept that the steam enters the reheater at 1.95 MPa and 260 ̊C, departs at 1.8 MPa and540 ̊C. the steam flow is 147,000 kg/hr, generator efficiency is 96%. For actual enginefind ek, mk, and nk.
During the cycle in a power plant operating by realizing the ideal reheating Rankine cycle, water vapor is produced in the boiler at 3 MPa and 600oC. The condenser is kept at 45oC by transferring 10 MW of heat to the outside. In this power plant the high pressure turbine expands to 500 kPa and then the fluid is reheated and then expanded again in the low pressure turbine. According to this; a) Calculate the reheating temperature of the fluid for the case where the low pressure turbine outlet is saturated steam.b) Calculate the total turbine power (kW) obtained from the turbines and the total heat transfer to the boiler (kW) during this cycle.c) Draw the T-s diagram of the cycle showing also the saturation curves.