na two stage regeneration system, steam at 26 bar and 400 degrees * C is supplied at a rate of 127*10^ 3 kg/hr The extractions are 10400 kg/hr at 2.9 bar and 8700 kg/hr at 0.6 par. The condenser pressure is 5 cm of Hg. Actual feed water temperature is 125 degrees * C . Find out the percentages of extracted steam at both points and thermal efficiency of the system. The power output From the plant is 25 MW

na two stage regeneration system, steam at 26 bar and 400 degrees * C is supplied at a rate of 12710^ 3 kg/hr The extractions are 10400 kg/hr at 2.9 bar and 8700 kg/hr at 0.6 par. The condenser pressure is 5 cm of Hg. Actual feed water temperature is 125 degrees C . Find out the percentages of extracted steam at both points and thermal efficiency of the system. The power output From the plant is 25 MW

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 Rankine cycle is executed with steam expanding initially from 20 MPaa and 100 deg SH.Condensation occurs at 300 mm HG vac. All expansion and compression efficiencies are 90 %.Sketch the equipment layout and the TS diagram. ANSWER THE GIVEN QUESTION Wnet (actual) = 9402.4 Qs (actual) = 27595.4
Steam turbine receives 400000 kg/hr of steam throttled in actual reheat Rankinecycle with two stages reheating, steam enters the turbine at 14.546 Mpa and 500.546oC. The one reheater has 10.0546 Mpa 460.546oC and the other one has 5.0546 Mpa and 450.546oC. It is condensed in the condenser at a pressure of 10.546 kPa. For the generator output of 100000kW at 90% efficiency. Calculate (a) the combined thermal efficiency, % and (b) the actual condition of exhaust steam, %. Show complete soln.
1. A 100-MW stean power plant operates on the Rankine cycle but with turbine and pump efficiencies of 85%. The steam enters the turbine at 7.0 MPa and 555°C. the cycle thermal It discharges to the condenser at 20 kPa. Determine and the cooling-water flow rate in the the steam flow rate, efficiency, condenser if cooling water enters at 20°C and leaves at 35°C. Draw the T-S diagram. I Steam generator Boundary 1' Turbine 77,-0.85 Condenser 4 3 Pump 7,-0.85 100 MW 1 35° C I Cooling water 20° C
When a steam boiler generates saturated steam at 2.5 mpa and the condenser pressure is 20 kpa, what is the Rankine cycle efficiency?Show complete step-by-step process and solution.
In an ammonia refrigeration system using a reciprocating compressor operating between 0 degrees condensation and -34 degrees evaporation temperatures, there is a heat exchanger between the evaporator outlet and the condenser outlet. Ammonia entering the heat exchanger as a saturated liquid at the condenser outlet is cooled down to -10 degrees. Heat exchanger efficiency 0.85 1) Draw the installation diagram of the cycle and show it in the P-h diagram ? 2) find the temperature and enthalpy of all points No T(°C) h (kcal/kg) 1 2 3 4 5 6
Steam enters the turbine at 2.5 bar and the condenser at 0.5 bar in an ideal RankineCycle. Determine the thermal efficiency of the cycle.
5. Steam is generated at 6.10 MPa and 4500C and condensation occurs at 170 kPa. (a)For a Rankine engine operating between these limits, compute the thermal efficiency and the heat rate. (b) Considering that a Rankine cycle occurs between the limits, determine QA, QR, WNet, and eC. (c) What mass flow rate is required for a net output of 35 MW? Please answer what is asked in a, b and c. Thanks
Steam at 10 MPaa, 550 degrees celsius enters an ideal engine that has one stage of regenerative cycle; condenser pressure is 10kPaa and extraction of steam is at 1 MPa.
In an ideal Rankine cycle, steam is generated at 4.1 MPa and 480 deg. C. The condenser is at 32 deg. C. Determine: a. The cycle thermal efficiency b. For the engine with the same end states, the thermal efficiency and steam rate.
. A domestic refrigerator using R-12 as a working fluid .The condensing and evaporating temperatures are 100 F and 25 F respectively. Heat exchanger is added to sub-cooled the saturated liquid to 70 F. Compute; (i) nvc & nv if m=3% & y=1.25, T₁=60 F & A p=2.1 psia. (ii) work done compressor. (iii) C.O.P. Refrigration
What is the formula to find the specific enthalpy at state 6?
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.