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Title: Miller cycle and exhaust gas recirculation for a naturally aspirated lean-burn gas engine
Authors: Neher, Denis
Editors: Universidad de Valladolid. Escuela de Ingenierías Industriales
Tutor: Giménez Olavarría, Blanca
Kettner, Maurice
Issue Date: 2017
Degree : Doctorado en Ingeniería Industrial
Abstract: Motivated by tightening emission standards for small natural gas driven cogeneration gas engines, this thesis explores an alternative working process that extends the pre-vailing lean-burn operation with Miller cycle and cooled exhaust gas recirculation (EGR). The combination of these well-established means is expected to improve the trade-off between engine efficiency, NOx emissions and indicated mean effective pres-sure (IMEP) of a naturally aspirated gas engine.Comprehensive series of measurements were carried out in engine operation with Mil-ler valve timing and varying EGR rate. The main focus was put on the potential that the working process offers in improving the trade-off between engine efficiency and NOx emissions at constant IMEP of the baseline engine’s reference operating point.
Keywords: Morotes de combustion interna
Gas natural
Departament : Departamento de Ingeniería Energética y Fluidomecánica
OPAC: b1788449
Language: eng
Rights: info:eu-repo/semantics/openAccess
Appears in Collections:Tesis doctorales UVa

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