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The Case for New Divided-Chamber Diesel Combustion Systems Part One: Critical Analysis of Current DI and Past Significant Divided-Chamber Engines
Technical Paper
2001-01-0271
ISSN: 0148-7191, e-ISSN: 2688-3627
Annotation ability available
Sector:
Event:
SAE 2001 World Congress
Language:
English
Abstract
This first of three papers discusses the Diesel Industry's potential survival vis-a-vis future environmental demands; and why Divided Chamber systems may be warranted. Ignitability and startability are linked to valve-timing more than to Nominal Compression Ratio (CRn) or chamber design. A proper Air-Cycle is key, as overlap and IVC affect the Effective Compression Ratio (CRe) and Trapped Air-Mass (TAM). An in-depth historical review reveals why some Divided-Chamber engines started and idled well, while others did not; and how much the operational characteristics were penalized by poor prechambers, injection systems and valve-timing events.
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Citation
Regueiro, J., "The Case for New Divided-Chamber Diesel Combustion Systems Part One: Critical Analysis of Current DI and Past Significant Divided-Chamber Engines," SAE Technical Paper 2001-01-0271, 2001, https://doi.org/10.4271/2001-01-0271.Also In
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