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Proceedings of Symposium on Energy Engineering in the 21st Century (SEE2000) Volume I-IV

ISBN 打印: 1-56700-132-7

OPTIMIZATION OF A HYDROGEN FUELED LARGE BORE COMPRESSION IGNITION ENGINE: DEVELOPMENT OF A NEW VARIABLE INJECTION SYSTEM FOR HIGH PRESSURE GAS INJECTION

Abstract

In the research project "Directly Injecting Hydrogen Diesel Engine with High Power Density and Low Emissions", the basis for the use of a large bore diesel engine fueled with hydrogen was investigated. The project partners were the MAN B&W Diesel AG [1], the Lehrsruhl fur Verbrennungskraftmaschinen und Kraftfahrzeuge (LVK) and the Lehrsruhl A fur Thermodynamik (LAT). The LAT investigated mixture formation, ignition and combustion processes with modern optical measurement techniques, in a newly developed rapid compression machine (RCM) and with numerical simulations. The investigations delivered a set of suitable thermodynamic parameters for the operation of the engine. In addition, optimized geometries for the nozzle design were found out. A new concept for a high pressure hydrogen injection system with variable needle lift was setup and investigated.
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