Can i get help with this physics(Energy conversion) questions 4.1 and 4.2 and for some figures see the pictures included down here4. One of the most important energy conversion systems in our modern society is the electric power plant. It is shown schematically below. The chemical energy is first converted to thermal energy in the boiler; thermal energy is then converted to mechanical energy in the turbine; finally, mechanical energy is converted to electricity in the generator. System efficiency is, therefore,Questions4.1 By how much does the efficiency of a turbine have to increase in order to raise the efficiency of a power plant from 35 to 40%. The efficiencies of the boiler and generator are 90% and 95%.4.2 In order to achieve the efficiency increase in Problem 4.1 by how much does the inlet steam temperature have to increase? Assume that the efficiency is proportional to the temperature difference between hot and cold steam and that the cold steam is in both cases at 100 °C FuelRiver4. One of the most important energy conversion systems in our modern society is the electricpower plant. It is shown schematically below. The chemical energy is first converted tothermal energy in the boiler; thermal energy is then converted to mechanical energy in theturbine; finally, mechanical energy is converted to electricity in the generator. Systemefficiency is, therefore,Epower plant = [Eboiler] [Eturbine] [Egenerator] =Thermal energy, Mechanical energy,Chemical energy Thermal energyBoilerPumpWaterWarmwaterSteamColdwaterColdwaterTurbine Generatoreeeee Condenserooooo (heat exchanger)PumpExhaust steamColdwaterWarmwaterColdajrWarmer airColdajrElectricityCooling towerElectric energyMechanical energyFuelExtractionElectric energyChemical energyEfficiencies:Coal, 66%; Oil, 35%; Gas, 73%ProcessingEfficiencies:Coal, 98%; Oil, 95%; Gas, 95%Efficiencies:Coal, 92%; Oil, 88%; Gas, 97%TransportTo conversiondevice

Given data: Initial efficiency of a power plant from 35%. The efficiencies of the boiler and…

Answered: Can i get help with this physics(Energy…

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter2: Matter And Energy

Section: Chapter Questions

Problem 26RQ: How many Btu of heat can be produced by 4 kWh ofelectricity?

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Can i get help with this physics(Energy conversion) questions 4.1 and 4.2 and for some figures see the pictures included down here

4. One of the most important energy conversion systems in our modern society is the electric power plant. It is shown schematically below. The chemical energy is first converted to thermal energy in the boiler; thermal energy is then converted to mechanical energy in the turbine; finally, mechanical energy is converted to electricity in the generator. System efficiency is, therefore,

Questions

4.1 By how much does the efficiency of a turbine have to increase in order to raise the efficiency of a power plant from 35 to 40%. The efficiencies of the boiler and generator are 90% and 95%.

4.2 In order to achieve the efficiency increase in Problem 4.1 by how much does the inlet steam temperature have to increase? Assume that the efficiency is proportional to the temperature difference between hot and cold steam and that the cold steam is in both cases at 100 °C

Fuel
River
4. One of the most important energy conversion systems in our modern society is the electric
power plant. It is shown schematically below. The chemical energy is first converted to
thermal energy in the boiler; thermal energy is then converted to mechanical energy in the
turbine; finally, mechanical energy is converted to electricity in the generator. System
efficiency is, therefore,
Epower plant = [Eboiler] [Eturbine] [Egenerator] =
Thermal energy, Mechanical energy,
Chemical energy Thermal energy
Boiler
Pump
Water
Warm
water
Steam
Cold
water
Cold
water
Turbine Generator
eeeee Condenser
ooooo (heat exchanger)
Pump
Exhaust steam
Cold
water
Warm
water
Cold
ajr
Warmer air
Cold
ajr
Electricity
Cooling tower
Electric energy
Mechanical energy
Fuel
Extraction
Electric energy
Chemical energy
Efficiencies:
Coal, 66%; Oil, 35%; Gas, 73%
Processing
Efficiencies:
Coal, 98%; Oil, 95%; Gas, 95%
Efficiencies:
Coal, 92%; Oil, 88%; Gas, 97%
Transport
To conversion
device

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