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https://trb-annual-meeting.nationalacademies.org/registration

Dual Cycle Exhaust Energy Recovery for Internal Combustion Engines

With increasing crude oil prices, concern about energy security and calls for reduction in greenhouse gases, energy use in the future will be a large priority. One method for reducing oil consumption is through increased efficiency of the internal combustion engine. A significant loss in this engine is the exhaust energy which is approximately 20 to 40% of the fuel potential. Research has indicated that there exists a capability to increase the brake thermal efficiency of the engine system by using this exhaust in a separate thermodynamic cycle. By simulating an engine and dual cycle system in a novel architecture, this project intends to demonstrate a proof of concept that can reduce engine emissions while increasing thermal efficiency.