Efficiency of a Turbine Cycle cycle with supercritical CO2 as working fluid
Author: Valery Ochkov (http://twt.mpei.ac.ru/ochkov/v_ochkov.htm)
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Calculation of the thermal efficiency a cycle with supercritical CO2 as working fluid. This cycle is used for recycling waste heat (in flue gas) from industrial plants - to generate electricity
Input data:
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Temperature difference between the recuperator and the condencer
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Specific entropy of live CO2 vapor (the turbine inlet - the point #1):
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Specific enthalpy of live CO2 vapor (the turbine inlet - the point #1):
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Specific entropy of working fluid in the outlet of the turbine (an ideal process of the vapor extension)
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Temperature of working fluid in the outlet of the turbine (an ideal process of the vapor extension)
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Specific enthalpy of working fluid in the outlet of the turbine (an ideal process of the vapor extension)
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Specific isentropic work of the tubine (an ideal process of the vapor extension)
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Specific actual work of tubine
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Specific enthalpy of working fluid in the point 2
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Temperature of working fluid in point 2
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Temperature of working fluid in point 4
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Specific entropy of working fluid in point 4
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Specific enthalpy of working fluid in point 4
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Specific entropy of working fluid in point 5 (an ideal process of the vapor extension)
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Pressure in point 5
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Temperature of working fluid in point 5 (an ideal process of the liquid compression)
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Specific enthalpy of working fluid in point 5 (an ideal process of the liquid compression)
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Specific isentropic work of the pump
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Specific actual work of pump
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Specific enthalpy of working fluid in point 5
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Temperature of working fluid in point 5
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Specific entropy of working fluid in point 5
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Pressure in point 3
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Temperature in point 3
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Specific enthalpy of working fluid in point 3
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Specific entropy of working fluid in point 3
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Heat of the recuperator
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Specific enthalpy of working fluid in point 6
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Pressure in point 6
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Temperature in point 6
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Specific entropy of working fluid in point 6
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Waste heat
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Thermal efficiency
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Internal efficiency
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Author: Valery Ochkov
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