Brayton cycle: It is open cycle.
Rankine cycle: It's close cycle.
Brayton cycle: Mostly used in gas turbine engine.
Rankine cycle: Mostly used in power generation plant.
Brayton cycle: Resemble less to Carnot cycle.
Rankine cycle: Resemble is more to Carnot cycle.
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The Rankine cycle is the fundamental thermodynamic underpinning of the Steam_engine. It is named after William_John_Macquorn_Rankine
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Rankine cycle allows for practical implementation with real working fluids such as water, making it more feasible for thermal power plants compared to the idealized Carnot cycle. Rankine cycle also allows for the use of turbines and pumps which are more efficient than isothermal expansion and compression processes in the Carnot cycle. Additionally, Rankine cycle can be modified with reheating and regeneration to improve efficiency further, something the Carnot cycle cannot achieve.
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carnot cycle is a very ideal cycle that isn't practical at all , 'cause we add and reject heat isothermally , a wet mixture enters the turbine so it'll cause pitting and erosion
and a wet mixture enters the pump , and the pump can't deal with a 2 phases fluid
rankine cycle is a practical cycle but with a very low efficiency
so the main difference lies in the adding and rejecting of heat
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The four major components of the rankine cycle are as follows:
1. boiler
2. turbine
3. condenser
4. pump
i.e. in short (B-T-C-P)
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The Modified Rankine Cycle is a thermodynamic cycle that is used to generate power in thermal power plants. It is an enhanced version of the basic Rankine cycle and typically involves additional components like reheaters and superheaters to improve efficiency. The modifications are aimed at increasing the overall efficiency and performance of the power plant.
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The Rankine cycle is important in thermodynamics because it is a theoretical model that represents the ideal process for converting heat into mechanical work in a power plant. The PV diagram of the Rankine cycle shows the stages of this energy conversion process, including heat input, expansion, heat rejection, and compression. By analyzing the PV diagram, engineers can optimize the efficiency of power plants by understanding how energy is transferred and transformed throughout the cycle.
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To increase the efficiency of a Rankine cycle, you can: increase the boiler pressure to increase the temperature of the steam entering the turbine, lower the condenser pressure to improve the quality of the exhaust steam, and use regenerative feedwater heating to reduce heat losses. Additionally, using superheated steam can also improve the efficiency of the cycle.
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A condenser is used in the Rankine cycle to help convert the steam exiting the turbine back into liquid form, allowing it to be re-circulated back to the boiler for reheating and re-entering the cycle. This process helps increase the efficiency of the Rankine cycle by reducing the energy required to compress the working fluid and minimizing the temperature at which heat is rejected from the system.
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Rankine. Rankine is a temperature scale that is used alongside Fahrenheit, where 0 Rankine is absolute zero and each degree Rankine is equal to a degree Fahrenheit.
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If you are after the thrmodynamic principles, see Wikipedia entry for Rankine Cycle.
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A Rankine cycle diagram typically shows four main components: a boiler, a turbine, a condenser, and a pump. The process involves the heating of water in the boiler to produce steam, which then expands through the turbine to generate power. The steam is then condensed back into water in the condenser before being pumped back to the boiler to repeat the cycle.
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Thermal power station of 210mw will work on principle of modified Rankine cycle
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Among other advantages, this pervents the vapor from condensing during its expansion which can seriusly damage he turbine blades, and improves he efficiency of the cycle, as more of the heat flow into the cycle occurs at higher temperature.
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Rankine Generating Station was created in 1905.
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united technologies in conn. is using134a but I would like to know if other fluids are being used..... and who is doing it....
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280 degrees Rankine is -179.67 degrees Fahrenheit.
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Rankine temp = 1.8(Celsius temp) + 491.67
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Bryce Crossley Rankine has written:
'Making good wine'
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Use this equation to convert Celsius to Rankine: ºR = (ºC x 1.8) + 491.67
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506 degrees Rankine = 46.33 degrees Fahrenheit.
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William John Macquorn Rankine was born on July 5, 1820.
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William John Macquorn Rankine was born on July 5, 1820.
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Ryan Rankine was born on February 15, 1986, in Brooklyn, New York, USA.
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37 degrees Celsius = 558.27 degrees Rankine.
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27 degrees Celsius is equal to 497.67 degrees Rankine. You can convert Celsius to Rankine by adding 273.15 to the Celsius value and then multiplying by 9/5.
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The Rankine scale was named after the Scottish engineer and physicist William Rankine (1820–1872). He based this temperature scale on the Fahrenheit scale but measured in absolute zero rather than based on the freezing point of water.
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Are you thinking of the temperature/entropy diagram? This can be used to illustrate the thermodynamic processes involved in a heat engine cycle, which is in essence how a power station works. See also in Wikipedia the entry for 'Rankine Cycle' for a fuller description.
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The efficiency of a Rankine cycle is higher in winter than in summer because the colder ambient temperature in winter allows for better heat rejection in the condenser, resulting in a lower turbine inlet temperature. This leads to higher efficiency due to reduced heat losses and improved thermodynamic performance of the cycle components. Additionally, the colder air in winter is denser, which can improve the efficiency of the air-cooled condenser in the power plant.
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To increase the thermal efficiency of a Rankine cycle, you can:
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Room temperature on the Rankine scale is approximately 560-570 degrees Rankine. This corresponds to around 68-77 degrees Fahrenheit on the more commonly used Fahrenheit scale.
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The Carnot cycle gives the theoretical maximum efficiency of an engine operating between two heat reservoirs. The Carnot cycle is an idealized engine cycle that is thermodynamically reversible. Real systems such as power plants are not reversible, and the entropy of a real material changes with temperature (which is not accounted for by the Carnot cycle). A steam power plant operates closer to a cycle known as the Rankine cycle.
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