Cascaded Organic Rankine Cycle System

A cascaded Organic Rankine Cycle (ORC) system (20) includes a topping cycle (22) and a bottoming cycle (24) in thermal communication with said topping cycle (22) through a condenser/evaporator (32) in which a bottoming cycle working fluid is first evaporated and then superheated and a topping cycle...

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Bibliographische Detailangaben
Hauptverfasser:	Biederman, Bruce P, Zhang, Lili, Cogswell, Frederick J
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL ENGINE PLANTS NOT OTHERWISE PROVIDED FOR ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ACCUMULATORS STEAM ENGINE PLANTS STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	A cascaded Organic Rankine Cycle (ORC) system (20) includes a topping cycle (22) and a bottoming cycle (24) in thermal communication with said topping cycle (22) through a condenser/evaporator (32) in which a bottoming cycle working fluid is first evaporated and then superheated and a topping cycle working fluid is first desuperheated and then condensed such that a percentage of total heat transfer from the topping cycle fluid that occurs during a saturated condensation is equal to or less than a percentage of total heat transfer to the bottoming cycle fluid that occurs during a saturated evaporation.