Real-time nitrogen oxides (NOx) estimation process

A process for providing a real-time estimation of in-cylinder NOx production rates during a combustion process in an internal combustion engine. The process employs a model that takes into account fundamental in-cylinder variables such as temperature, pressure and oxygen content. The process can be...

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Bibliographic Details
Main Authors ALI, MOATAZ, GANGOPADHYAY, ANUPAM
Format Patent
LanguageEnglish
French
German
Published 14.04.2004
Edition7
Subjects
BLASTING
ENGINE PLANTS IN GENERAL
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL
HEATING
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
LIGHTING
MACHINES OR ENGINES IN GENERAL
MEASURING
MECHANICAL ENGINEERING
PHYSICS
STEAM ENGINES
TESTING
WEAPONS
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Summary:A process for providing a real-time estimation of in-cylinder NOx production rates during a combustion process in an internal combustion engine. The process employs a model that takes into account fundamental in-cylinder variables such as temperature, pressure and oxygen content. The process can be used with calibrated or uncalibrated internal combustion engines and can be used to capture the effects in variations of engine speed, engine torque, EGR, injection timing, and engine boost levels.
Bibliography:Application Number: EP20030021373