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Analysis of swirl in unsteady flow and its effect on diesel combustion

Ladommatos, N; Balian, RA; Stone, R; (1992) Analysis of swirl in unsteady flow and its effect on diesel combustion. SAE Technical Papers 10.4271/921643.

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Abstract

The paper first describes three linked computational models which allow the estimation of: swirl generated during the induction process; the modification of swirl with bowl-in-piston combustion chambers during compression as the piston approaches top dead centre; the interaction of the fuel sprays with swirl including relative crosswind velocities between the air and the fuel sprays and spray impingement velocities. The paper then presents experimental results from a single-cylinder direct injection diesel engine, during which both the fuel spray and swirl parameters were changed systematically. Finally, the predicted spray impingement and crosswind velocities for this engine are correlated with the engine performance obtained experimentally, in particular, with fuel economy and smoke emission. © Copyright 1992 Society of Automotive Engineers, Inc.

Type: Article
Title: Analysis of swirl in unsteady flow and its effect on diesel combustion
DOI: 10.4271/921643
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Mechanical Engineering
URI: http://discovery.ucl.ac.uk/id/eprint/1394947
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