Supercritical Diesel Fuel Consumption, Combustion Process and Fuel System

Gheorghe Antiescu (Inventor), Lawrence L. Tavlarides (Inventor)

Research output: Patent


An embodiment of the invention is a composition of diesel, biodiesel or blended fuel (DF) with exhaust gas (EG) mixtures or with liquid CO2. The composition is in a liquid state near the supercritical region or a supercritical fluid mixture such that it quasi-instantaneously diffuses into the compressed and hot air as a single and homogeneous supercritical phase upon injection in a combustion chamber. Suitable temperatures and pressures are greater than about 300° C. and 100 bar, and the mole fraction of EG or CO2(XEG or XCO2) in DF is in the range of 0.0-0.9. In a combustion process embodiment, composition embodiments are injected into a combustion chamber under supercritical conditions.
Original languageEnglish (US)
Patent number8,197,558
StatePublished - Jul 23 2009


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