Petroleum Analyzer Company, LP

G Patrick Ritz

Didier Pigeon

A method and a system is disclosed for determining RON and/or MON values from constant volume combustion chamber apparatuses capable of producing pressure versus time combustion profiles having a fast combustion region and a slow combustion region, where data from the two regions is used to compute RON and/or MON values for light distillate fluid samples using a series expansion equation.

Method and system for measuring RON and MON values for light distillates

A method and a system is disclosed for determining cetane values from constant volume combustion chamber apparatuses capable of producing pressure versus time combustion profiles having a fast combustion region and a slow combustion region, where data from the two regions is used to compute cetane values for middle distillate fluid samples using a series expansion equation.

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Irvine, CA, United States of America

G Patrick Ritz