Prediction of In–Cylinder Gas Motion in Engines by an Energy Method 800985

A simple new method of prediction of a change in gas motion in an engine cylinder during the compression stroke has been developed for both flat piston and bowl-in-piston typed combustion chambers. The availability of this method was ascertained by comparing the results of predictions with several measured ones.
In order to show the effects of engine variables on the gas motion during the compression stroke quantitatively, calculations have been made also with some typical engine dimensions.


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