(4) A turbine receives steam at 10 MPa, 600°C and exhaust it at 0.2 MPa. (a) for the ideal Rankine engine, determine the work, steam rate, thermal efficiency, and means effective pressure. (b) for the actual engine, the brake engine efficiency is 84%; the driven generator efficiency is 93% and the rated output of the generator is 30 MW. Estimate the enthalpy ang quality (or temperature) of the exhaust.Compute the combined work, combined heat rate, and the total throttle flow for the rated power.

(4) A turbine receives steam at 10 MPa, 600°C and exhaust it at 0.2 MPa. (a) for the ideal Rankine engine, determine the work, steam rate, thermal efficiency, and means effective pressure. (b) for the actual engine, the brake engine efficiency is 84%; the driven generator efficiency is 93% and the rated output of the generator is 30 MW. Estimate the enthalpy ang quality (or temperature) of the exhaust.Compute the combined work, combined heat rate, and the total throttle flow for the rated power.

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 gas turbine that operates on Brayton cycle provides a furnace with hot pressurized gas through its exhaust at 220kPa. The turbine produces only enough power as required by the compressor. The compressor has inlet conditions of 110kPa and 300K. The inlet condition of the turbine is 850oC. Determine the pressure ratio of the compressor. Draw the schematic diagram.
An ideal gas diesel engine, that has an inlet temperature, pressure and a compression ratio of 27 degrees Celsius,102 KPa and 18:1 respectively. The maximum cycle temperature is 1237 degrees Celsius. Take Specific heat at constant pressure and constant volume for air as 1,005 KJ/Kg K and 0,717 KJ /Kg K respectively. Calculate : 1.the absolute temperature after the isentropic expansion process to one decimal place 2.the thermal efficiency of the cycle 3.specific heat rejected and received to one decimal place and include SI unit (J/Kg...) 4.The cut off ratio
In a gas-turbine plant working on a Brayton Cycle, the air at the inlet of the compressor is at 25C (298.15 K) and 100 kPa. The pressure ratio (PB/PA=PC/PD) is 6.50 and the maximum permissible temperature in the turbine is 800C (1073.15 K). Consider CP = (7/2)R and CV = (5/2)R and n = 1 mol Determine the following of the ideal air cycle: (adiabatic reversible compression and adiabatic reversible expansion). Express heat and work in Joules. Thermal efficiency of the ideal air cycle
Q3//A// In a gas turbine plant compression is carried out in one stage and expansion in one stage turbine. If the maximum temperature (T3K) and minimum temperature (T,K) in the cycle remain constant, show that for maximum work of the plant, the pressure ratio is given by:
Q4/ Steam enters the turbine of a power plant operating on the Rankine cycle at 600 ℃ and exhausts at 30 kPa. Calculate the thermal efficiency of the cycle for boiler pressure of 10000 kPa?
can you explain 2 picture
Calculate the efficiency of the Carnot Engine for ideal gas. Consider the figure below for a complete cycle of Carnot engine, where the cycle goes from ad->ab->bc->cd
I need the answer as soon as possible
COMPLETE SOLUTION. FINAL ANSWER ARE IN ENGLISG SYSTEMS. DRAW A DIAGRAM IF NECESSARY. Derive the thermal efficiency of Carnot cycle in terms of its compression ratio “rk”. Show your complete solution and make sure to include a brief explanation.
10. The initial design of an IFR turbine is to be based upon Whitfield’s procedure for optimum efficiency. The turbine is to be supplied with 2.2 kg/s of air, a stagnation pressure of 250 kPa, a stagnation temperature of 800°C, and have an output power of 450 kW. At turbine exit the static pressure is 105 kPA. Assuming for air that γ ¼ 1.33 and R ¼ 287 J/kg K, determine the valueof Whitfield’s power ratio, S, and the total-to-static efficiency of the turbine.
None
In a gas-turbine plant working on a Brayton Cycle, the air at the inlet of the compressor is at 25C (298.15 K) and 100 kPa. The pressure ratio (PB/PA=PC/PD) is 6.50 and the maximum permissible temperature in the turbine is 800C (1073.15 K). Consider CP = (7/2)R and CV = (5/2)R and n = 1 mol Determine the following of the ideal air cycle: (adiabatic reversible compression and adiabatic reversible expansion). Express heat and work in Joules. A. TB and TD; PB, PC, and PD for these conditionsB. Heat supplied (Process BC)C. Maximum work (WSmax ), minimum work (WSmin) and WnetD. Thermal efficiency of the ideal air cycleE. Thermal efficiency of the air cycle, if the compressor and turbine operate adiabatically but irreversibly with efficiencies and temperatures after the compression and expansion steps