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A new hybrid pneumatic combustion engine to improve fuel consumption of wind-Diesel power system for non-interconnected areas

Basbous Tammam, Younes Rafic, Ilinca Adrian et Perron Jean. (2012). A new hybrid pneumatic combustion engine to improve fuel consumption of wind-Diesel power system for non-interconnected areas. Applied Energy, 96, p. 459-476.

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URL officielle: http://dx.doi.org/doi:10.1016/j.apenergy.2012.03.0...

Résumé

This paper presents an evaluation of an optimized Hybrid Pneumatic-Combustion Engine (HPCE) concept that permits reducing fuel consumption for electricity production in non-interconnected remote areas, originally equipped with hybrid Wind-Diesel System (WDS). Up to now, most of the studies on the pneumatic hybridization of Internal Combustion Engines (ICE) have dealt with two-stroke pure pneumatic mode. The few studies that have dealt with hybrid pneumatic-combustion four-stroke mode require adding a supplementary valve to charge compressed air in the combustion chamber. This modification means that a new cylinder head should be fabricated. Moreover, those studies focus on spark ignition engines and are not yet validated for Diesel engines. Present HPCE is capable of making a Diesel engine operate under two-stroke pneumatic motor mode, two-stroke pneumatic pump mode and four-stroke hybrid mode, without needing an additional valve in the combustion chamber. This fact constitutes this study's strength and innovation. The evaluation of the concept is based on ideal thermodynamic cycle modeling. The optimized valve actuation timings for all modes lead to generic maps that are independent of the engine size. The fuel economy is calculated for a known site during a whole year, function of the air storage volume and the wind power penetration rate.

Type de document:Article publié dans une revue avec comité d'évaluation
Volume:96
Pages:p. 459-476
Version évaluée par les pairs:Oui
Date:2012
Sujets:Sciences naturelles et génie > Génie > Génie des matériaux et génie métallurgique
Département, module, service et unité de recherche:Départements et modules > Département des sciences appliquées > Module d'ingénierie
Mots-clés:compressed air energy storage, diesel engine, parametric optimization, pneumatic hybridization, valves actuation, wind-diesel system
Déposé le:04 juill. 2016 17:37
Dernière modification:09 déc. 2016 15:46
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