2015
DOI: 10.1016/j.energy.2015.06.138
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Switching strategy between HP (high pressure)- and LPEGR (low pressure exhaust gas recirculation) systems for reduced fuel consumption and emissions

Abstract: ElsevierLujan Martinez, JM.; Guardiola García, C.; Pla Moreno, B.; Reig, A. (2015). Switching strategy between HP (high pressure)-and LPEGR (low pressure exhaust gas recirculation) systems for reduced fuel consumption and emissions. Energy. 90:1790Energy. 90: -1798Energy. 90: . doi:10.1016Energy. 90: /j.energy.2015 Switching strategy between HP-and LPEGR systems for reduced fuel consumption and emissions AbstractExhaust gas recirculation (EGR) plays a major role in current Diesel internal combustion engines … Show more

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Cited by 31 publications
(29 citation statements)
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“…It has also to be outlined that proposed strategies are referred to steady state operating conditions, as the available test bench doesn't allow to perform dynamic tests. In real world operations, transient corrections will probably be requested [27,28], to take into account different time delays of high and LP EGR circuits, mainly related to their length. Referring to fuel consumption, a significant decrease can be observed in the corresponding modes of operating conditions 1 (−4.6%) and 2 (even if at a lower extent, −2.1%), obtained with A VNT levels around 17% (Table 4), i.e., higher than the reference ones ( Figure 10).…”
Section: Fuel Consumption and Emissions Trade-offmentioning
confidence: 99%
“…It has also to be outlined that proposed strategies are referred to steady state operating conditions, as the available test bench doesn't allow to perform dynamic tests. In real world operations, transient corrections will probably be requested [27,28], to take into account different time delays of high and LP EGR circuits, mainly related to their length. Referring to fuel consumption, a significant decrease can be observed in the corresponding modes of operating conditions 1 (−4.6%) and 2 (even if at a lower extent, −2.1%), obtained with A VNT levels around 17% (Table 4), i.e., higher than the reference ones ( Figure 10).…”
Section: Fuel Consumption and Emissions Trade-offmentioning
confidence: 99%
“…The present paper is focused on the interaction of in-cylinder heat transfer and exhaust gas recirculation (EGR). EGR is a technique to control the formation of nitrogen oxides [7]. Nitrogen oxides are a family of pollutants associated with respiratory and cardiovascular diseases [8].…”
Section: Introductionmentioning
confidence: 99%
“…5 The response of the EGR rate change is slower than that of HP-EGR during an abrupt load change, because the loop of LP-EGR is longer than that of the HP-EGR system. 6,7 Therefore, in general, LP-EGR is used in a combined HP- and LP-EGR system, as depicted in Figure 1(a). Numerous investigations are being conducted on optimizing and switching the proportion between HP- and LP-EGR according to the load conditions, with the aim of maximizing the fuel economy advantages while controlling NOx emissions.…”
Section: Introductionmentioning
confidence: 99%