Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
244675 | Applied Energy | 2009 | 8 Pages |
Abstract
This paper investigates the in-cylinder gas motion, combustion process and nitrogen oxide formation in a free-piston diesel engine and compares the results to those of a conventional engine, using a computational fluid dynamics engine model. Enhanced radial gas flow (squish and reverse squish) around top dead centre is found for the free-piston engine compared to a conventional engine, however it is found that this has only minor influence on the combustion process. A higher heat release rate from the pre-mixed combustion phase due to an increased ignition delay was found, along with potential reductions in nitrogen oxides emissions formation for the free-piston engine.
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Authors
R. Mikalsen, A.P. Roskilly,