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Effects Of Split Injection And Exhaust Gas Recirculation Strategies On Combustion And Emissions Characteristics In A Modern V6 Diesel Engine
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Book Synopsis Effects of Split Injection and Exhaust Gas Recirculation Strategies on Combustion and Emissions Characteristics in a Modern V6 Diesel Engine by : Nik Rosli Abdullah
Download or read book Effects of Split Injection and Exhaust Gas Recirculation Strategies on Combustion and Emissions Characteristics in a Modern V6 Diesel Engine written by Nik Rosli Abdullah and published by . This book was released on 2011 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modeling the Effects of Engine Speed and Fuel Injection Strategies on Power Density and Emission Levels by : Michael F. Stoia
Download or read book Modeling the Effects of Engine Speed and Fuel Injection Strategies on Power Density and Emission Levels written by Michael F. Stoia and published by . This book was released on 1998 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mitigation of Emissions Through Injection Strategies for C I Engine by : Jayashri Narayanan Nair
Download or read book Mitigation of Emissions Through Injection Strategies for C I Engine written by Jayashri Narayanan Nair and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fuel conversion efficiency is high with diesel engines compared to petrol engines. However high emissions from diesel is a matter of concern and its mitigation paves way for scope of research. Exhaust gas recirculation is one of the method widely accepted to curb NOx emissions. Recently, split or multiple-injection strategy has been explored by researchers to precisely control the fuel injected per cycle and also to mitigate emissions. Present work reflects technical review of effect of injection strategies on performance, emissions and combustion on C.I. engine with diesel and biodiesel as fuel. Injection strategies like duration of injection, number of injections, the dwell period between two injections, quantity of injection, and multiple injections are analyzed for their influence on engine output and brake specific fuel consumption. Also their effect on emissions especially soot and NOx emission are reviewed. First the effect of injection strategies with diesel fuel is discussed followed by biodiesel.
Book Synopsis An Investigation of the Effects of Injection and EGR Parameters on the Emissions and Performance of Heavy Duty Direct Injection Diesel Engines by : David T. Montgomery
Download or read book An Investigation of the Effects of Injection and EGR Parameters on the Emissions and Performance of Heavy Duty Direct Injection Diesel Engines written by David T. Montgomery and published by . This book was released on 1996 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigations of Advanced Injection and Combustion Strategies on DI Diesel Engine Performance and Emissions by : Raouf Mobasheri
Download or read book Investigations of Advanced Injection and Combustion Strategies on DI Diesel Engine Performance and Emissions written by Raouf Mobasheri and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The main driving force behind this research was the need for cleaner and more efficient engines to meet the ever-increasing demands on the modern automobile's emissions. In recent years different studies have been carried out to analyze the combined effects of high-pressure injection, boost pressure, multiple injections, included spray angle and combustion chamber geometry. Though considerable research has shown these technologies can meet the low emission regulations, the careful optimization of the engine operating conditions is still required in order to get the full benefit of the different strategies. With these issues as motivation, the first important objective of this study was to gain a detailed understanding of the mechanisms through which fuel injection interacts with other engine parameters and influences diesel combustion and emissions, and hence to attempt to generalize the adoption of multiple injection strategies with regards to improving diesel engine performance. For this purpose, a modified parameter called "Homogeneity Factor of in-cylinder charge" (HF) was introduced and proposed as a new measure in combustion theory to analyze the combustion characteristics and air-fuel mixing process of diesel engines in more detail. The second part of this research builds upon a detail investigation on the included spray cone angle concept and explores further their use in conjunction with multiple-injection strategies in diesel engines. In addition, an investigation was performed in third phase of this research to analyze the effects of piston geometry on combustion, performance and exhaust emission characteristics. The results showed that employing a post-injection combined with a pilot injection results in reduced soot formation from diffusion combustion and enhances the soot oxidation process during the expansion stroke, resulting in decreased soot emissions, while the NOx concentration is maintained in low levels. It was also found that spray targeting is very effective for controlling the in-cylinder mixture distributions especially when it accompanied with advanced injection strategies. Moreover, the results confirmed that a narrower width of piston bowl has a higher unburned fuel air mixture region and hence results in higher soot emissions but with slightly larger piston surface area the optimum operating point could be obtained.
Book Synopsis Intake Flow Effects on Combustion and Emissions in a Diesel Engine by : Tina R. Fuchs
Download or read book Intake Flow Effects on Combustion and Emissions in a Diesel Engine written by Tina R. Fuchs and published by . This book was released on 1997 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Experimental Investigation of Advanced Diesel Combustion Strategies for Emissions Reductions in a Heavy-duty Diesel Engine at High Speed and Medium Load by : William L. Hardy
Download or read book An Experimental Investigation of Advanced Diesel Combustion Strategies for Emissions Reductions in a Heavy-duty Diesel Engine at High Speed and Medium Load written by William L. Hardy and published by . This book was released on 2005 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effect of Exhaust Gas Recirculation on Combustion and NOx Emissions in a High-speed Direct-injection Diesel Engine by : Nicos Ladommatos
Download or read book The Effect of Exhaust Gas Recirculation on Combustion and NOx Emissions in a High-speed Direct-injection Diesel Engine written by Nicos Ladommatos and published by . This book was released on 1996 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigation of Two Low Emissions Strategies for Diesel Engines by : Sang-Suk Lee
Download or read book Investigation of Two Low Emissions Strategies for Diesel Engines written by Sang-Suk Lee and published by . This book was released on 2006 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effect of Split Injection on the Combustion and Emissions in DI and IDI Diesel Engines by : S. Jafarmadar
Download or read book The Effect of Split Injection on the Combustion and Emissions in DI and IDI Diesel Engines written by S. Jafarmadar and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The Effect of Split Injection on the Combustion and Emissions in DI and IDI Diesel Engines.
Book Synopsis Effect of Ignition and Combustion on Diesel Engine Emissions by : Derek T. Galligan
Download or read book Effect of Ignition and Combustion on Diesel Engine Emissions written by Derek T. Galligan and published by . This book was released on 2001 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the Effect of Injection Rate and Split Injections on Diesel Engine Soot and NOx Emmissions by : Daniel A. Nehmer
Download or read book Measurement of the Effect of Injection Rate and Split Injections on Diesel Engine Soot and NOx Emmissions written by Daniel A. Nehmer and published by . This book was released on 1993 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Emission Reduction with an Alternative Diesel Combustion Process by : Marvin Sascha Wahl
Download or read book Emission Reduction with an Alternative Diesel Combustion Process written by Marvin Sascha Wahl and published by Springer Nature. This book was released on 2023-07-29 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: Marvin Sascha Wahl presents the possibilities for optimising diesel engine combustion. In the advanced process of partially premixed diesel combustion, nitrogen oxide and soot emissions can be minimised at the same time. A new feature is the possibility of applying this strategy up to 2000 revolutions and 10 bar indicated mean pressure. In this work, various effective parameters are also compared and correlated with each other. A final comparison with conventional diesel combustion shows the advantages and disadvantages and evaluates them.
Book Synopsis Modeling Multiple Injection, EGR, and Nozzle Hole Effects on D.I. Diesel Engine Emissions by : Michael Chan
Download or read book Modeling Multiple Injection, EGR, and Nozzle Hole Effects on D.I. Diesel Engine Emissions written by Michael Chan and published by . This book was released on 1997 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Bartlesville Energy Research Center. Fuels Combustion Research Group Publisher : ISBN 13 : Total Pages :238 pages Book Rating :4.:/5 (25 download)
Book Synopsis Characterization and Control of Emissions from Heavy Duty Diesel and Gasoline Fueled Engines by : Bartlesville Energy Research Center. Fuels Combustion Research Group
Download or read book Characterization and Control of Emissions from Heavy Duty Diesel and Gasoline Fueled Engines written by Bartlesville Energy Research Center. Fuels Combustion Research Group and published by . This book was released on 1972 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of Low Temperature Combustion Modes to Reduce Overall Emissions from a Medium-duty, Four Cylinder Diesel Engine by : Jonathan Robert Breen
Download or read book Development of Low Temperature Combustion Modes to Reduce Overall Emissions from a Medium-duty, Four Cylinder Diesel Engine written by Jonathan Robert Breen and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Low temperature combustion (LTC) is an appealing new method of combustion that promises low nitric oxides and soot emissions while maintaining or improving on engine performance. The three main points of this study were to develop and validate an engine model in GT-Power capable of implementing LTC, to study parametrically exhaust gas recirculation (EGR) and injection timing effects on performance and emissions, and to investigate methods to decrease pressure rise rates during LTC operation. The model was validated at nine different operating points, 3 speeds and 3 loads, while the parametric studies were conducted on 6 of the 9 operating points, 3 speeds and 2 loads. The model consists of sections that include: cylinders, ports, intake and exhaust manifolds, EGR system, and turbocharger. For this model, GT-Power calculates the combustion using a multi-zone, quasi-dimensional model and a knock-induced combustion model. The main difference between them is that the multi-zone model is directly injected while the knock model is port injected. A variety of sub models calculate the fluid flow and heat transfer. A parametric study varying the EGR and the injection timing to determine the optimal combination was conducted using the multi-zone model while a parametric study that just varies EGR is carried out using the knock model. The first parametric study showed that the optimal EGR and injection timing combination for the low loads occurred at high levels of EGR (60 percent) and advanced injection timings (30 to 40 crank angle degrees before top dead center). The optimal EGR and injection timing combination for the high loads occurred at low levels of EGR (30 percent to 40 percent) and retarded injection timings (7.5 to 5 crank angle degrees before top dead center). The knock model determined that the ideal EGR ratio for homogeneous charge compression ignition (HCCI) operation varied from 30 percent to 45 percent, depending on the operating condition. Three methods were investigated as possible ways to reduce pressure rise rates during LTC operation. The only feasible method was the multiple injection strategy which provided dramatically reduced pressure rise rates across all EGR levels and injection timings.
Book Synopsis Transient Effects of Load and Speed on Low Temperature Diesel Combustion by : Daniel Ryan Williams
Download or read book Transient Effects of Load and Speed on Low Temperature Diesel Combustion written by Daniel Ryan Williams and published by . This book was released on 2008 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
