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Experimental Investigation And Control Of Partially Premixed Combustion Ppc Engine With Gasoline Like Fuel Towards A High Engine Efficiency
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Book Synopsis Experimental Investigation and Control of Partially Premixed Combustion (PPC) Engine with Gasoline-like Fuel Towards a High Engine Efficiency by : Lianhao Yin
Download or read book Experimental Investigation and Control of Partially Premixed Combustion (PPC) Engine with Gasoline-like Fuel Towards a High Engine Efficiency written by Lianhao Yin and published by . This book was released on 2016 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Premixed Fuel Preparation for Partially Premixed Combustion with a Low Octane Gasoline on a Light-Duty Multi-Cylinder Compression Ignition Engine by :
Download or read book Effect of Premixed Fuel Preparation for Partially Premixed Combustion with a Low Octane Gasoline on a Light-Duty Multi-Cylinder Compression Ignition Engine written by and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Gasoline compression ignition concepts with the majority of the fuel being introduced early in the cycle are known as partially premixed combustion (PPC). Previous research on single- and multi-cylinder engines has shown that PPC has the potential for high thermal efficiency with low NOx and soot emissions. A variety of fuel injection strategies has been proposed in the literature. These injection strategies aim to create a partially stratified charge to simultaneously reduce NOx and soot emissions while maintaining some level of control over the combustion process through the fuel delivery system. The impact of the direct injection strategy to create a premixed charge of fuel and air has not previously been explored, and its impact on engine efficiency and emissions is not well understood. This paper explores the effect of sweeping the direct injected pilot timing from -91° to -324° ATDC, which is just after the exhaust valve closes for the engine used in this study. During the sweep, the pilot injection consistently contained 65% of the total fuel (based on command duration ratio), and the main injection timing was adjusted slightly to maintain combustion phasing near top dead center. A modern four cylinder, 1.9 L diesel engine with a variable geometry turbocharger, high pressure common rail injection system, wide included angle injectors, and variable swirl actuation was used in this study. The pistons were modified to an open bowl configuration suitable for highly premixed combustion modes. The stock diesel injection system was unmodified, and the gasoline fuel was doped with a lubricity additive to protect the high pressure fuel pump and the injectors. The study was conducted at a fixed speed/load condition of 2000 rpm and 4.0 bar brake mean effective pressure (BMEP). The pilot injection timing sweep was conducted at different intake manifold pressures, swirl levels, and fuel injection GTP-15-1067, Dempsey 2 pressures. The gasoline used in this study has relatively high fuel reactivity with a research octane number of 68. The results of this experimental campaign indicate that the highest brake thermal efficiency and lowest emissions are achieved simultaneously with the earliest pilot injection timings (i.e., during the intake stroke).
Book Synopsis An Experimental Investigation of Direct Injection for Homogeneous and Fuel-stratified Charge Compression Ignited Combustion Timing Control by : Craig David Marriott
Download or read book An Experimental Investigation of Direct Injection for Homogeneous and Fuel-stratified Charge Compression Ignited Combustion Timing Control written by Craig David Marriott and published by . This book was released on 2001 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Investigation of Gasoline-di-methyl Ether Dual Fuel CAI Combustion with Internal EGR. by : Haofan Zhang
Download or read book Experimental Investigation of Gasoline-di-methyl Ether Dual Fuel CAI Combustion with Internal EGR. written by Haofan Zhang and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A new dual fuel Controlled Auto-Ignition (CA!) combustion concept was proposed and researched for lower exhaust emissions and better fuel economy. The concept takes the advantage of the complementary physical and chemical properties of high octane number gasoline and high cetane number Di-Methyl Ether (DME) to organize the combustion process. Homogeneous gasoline/air mixture is utilized as the main combustible charge, which is realised by a low-cost Port Fuel Injection (PFI) system. Pressurised DME is directly injected into cylinder via a commercial Gasoline Direct Injection (GDI) injector. Flexible DME injection strategies are employed to realise the controlled auto ignition of the premixed charge. The engine is operated at Wide Open Throttle (WOT) in the entire operating region in order to minimize the intake pumping loss. Engine load is controlled by varying the amount of internal Exhaust Gas Recirculation (iEGR) which is achieved and adjusted by Positive Valve Overlap (PVO) and/or exhaust back pressure, and exhaust re- breathing method. The premixed mixture can be of either stoichiometric air/fuel ratio or fuel lean mixture and is heated and diluted by recycled exhaust gases. The use of internal EGR is considered as a very effective method to initiate CAI combustion due to its heating effect and moderation of the heat release rate by its dilution effect. In addition, the new combustion concept is compared to conventional SI combustion. The results indicate that the new combustion concept has potential for high efficiency, low emissions, enlargement of the engine operational region and flexible control of CAI combustion.
Book Synopsis Advanced Combustion Concepts with Innovative Waste Derived Fuels by : Urban Žvar Baškovič
Download or read book Advanced Combustion Concepts with Innovative Waste Derived Fuels written by Urban Žvar Baškovič and published by . This book was released on 2018 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: Numerical and experimental methodologies were developed in the dissertation with the goal of improving internal combustion engine control and decreasing engine-out exhaust emissions leading to mitigated impact on the environment. An innovative numerical method for simultaneous determination of the pressure and the top dead centre offset, which significantly reduces computational time compared to other methods, is presented in the numerical part of the dissertation. The experimental part of the dissertation comprises: - Development of a novel approach for the utilization of a pure tire pyrolysis oil (TPO) in a turbocharged and intercooled internal combustion engine without any hardware modifications with the introduction of the pilot injection. - Establishment of a partially premixed combustion (PPC) concept with a direct injection of diesel fuel, which also represents a benchmark for a novel fuel (TPO - a representative of low reactivity fuels) being assessed in the PPC. - Development of a methodology for the utilization of hydrotreated vegetable oil (HVO)/gasoline mixture in PPC. - Development of a methodology for establishing reactivity controlled compression ignition operation leading to a reduction of particulate matter and NOx emissions below EURO 6 levels without utilization of exhaust after-treatment systems at medium-load engine operation in a non-modified combustion chamber.
Book Synopsis Experimental Investigation of Fuel Reactivity Controlled Combustion in a Heavy-duty Internal Combustion Engine by : Derek A. Splitter
Download or read book Experimental Investigation of Fuel Reactivity Controlled Combustion in a Heavy-duty Internal Combustion Engine written by Derek A. Splitter and published by . This book was released on 2010 with total page 558 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Diesel Engines by : Klaus Mollenhauer
Download or read book Handbook of Diesel Engines written by Klaus Mollenhauer and published by Springer Science & Business Media. This book was released on 2010-06-22 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt: This machine is destined to completely revolutionize cylinder diesel engine up through large low speed t- engine engineering and replace everything that exists. stroke diesel engines. An appendix lists the most (From Rudolf Diesel’s letter of October 2, 1892 to the important standards and regulations for diesel engines. publisher Julius Springer. ) Further development of diesel engines as economiz- Although Diesel’s stated goal has never been fully ing, clean, powerful and convenient drives for road and achievable of course, the diesel engine indeed revolu- nonroad use has proceeded quite dynamically in the tionized drive systems. This handbook documents the last twenty years in particular. In light of limited oil current state of diesel engine engineering and technol- reserves and the discussion of predicted climate ogy. The impetus to publish a Handbook of Diesel change, development work continues to concentrate Engines grew out of ruminations on Rudolf Diesel’s on reducing fuel consumption and utilizing alternative transformation of his idea for a rational heat engine fuels while keeping exhaust as clean as possible as well into reality more than 100 years ago. Once the patent as further increasing diesel engine power density and was filed in 1892 and work on his engine commenced enhancing operating performance.
Book Synopsis Characteristics and Control of Low Temperature Combustion Engines by : Rakesh Kumar Maurya
Download or read book Characteristics and Control of Low Temperature Combustion Engines written by Rakesh Kumar Maurya and published by Springer. This book was released on 2017-11-03 with total page 553 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book deals with novel advanced engine combustion technologies having potential of high fuel conversion efficiency along with ultralow NOx and particulate matter (PM) emissions. It offers insight into advanced combustion modes for efficient utilization of gasoline like fuels. Fundamentals of various advanced low temperature combustion (LTC) systems such as HCCI, PCCI, PPC and RCCI engines and their fuel quality requirements are also discussed. Detailed performance, combustion and emissions characteristics of futuristic engine technologies such as PPC and RCCI employing conventional as well as alternative fuels are analyzed and discussed. Special emphasis is placed on soot particle number emission characterization, high load limiting constraints, and fuel effects on combustion characteristics in LTC engines. For closed loop combustion control of LTC engines, sensors, actuators and control strategies are also discussed. The book should prove useful to a broad audience, including graduate students, researchers, and professionals Offers novel technologies for improved and efficient utilization of gasoline like fuels; Deals with most advanced and futuristic engine combustion modes such as PPC and RCCI; Comprehensible presentation of the performance, combustion and emissions characteristics of low temperature combustion (LTC) engines; Deals with closed loop combustion control of advanced LTC engines; State-of-the-art technology book that concisely summarizes the recent advancements in LTC technology. .
Book Synopsis Model-based Control of Gasoline Partially Premixed Combustion by :
Download or read book Model-based Control of Gasoline Partially Premixed Combustion written by and published by . This book was released on 2015 with total page 121 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Homogeneous Charge Compression Ignition (HCCI) Engines by : Fuquan Zhao
Download or read book Homogeneous Charge Compression Ignition (HCCI) Engines written by Fuquan Zhao and published by SAE International. This book was released on 2003-01-01 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt: The homogeneous charge, compression-ignition (HCCI) combustion process has the potential to significantly reduce NOx and particulate emissions, while achieving high thermal efficiency and the capability of operating with a wide variety of fuels. This makes the HCCI engine an attractive technology that can ostensibly provide diesel-like fuel efficiency and very low emissions, which may allow emissions compliance to occur without relying on lean aftertreatment systems. A profound increase in the level of research and development of this technology has occurred in the last decade. This book gathers contributions from experts in both industry and academia, providing a basic introduction to the state-of-the-art of HCCI technology, a critical review of current HCCI research and development efforts, and perspective for the future. Chapters cover: Gasoline-Fueled HCCI Engines; Diesel-Fueled HCCI Engines; Alternative Fuels and Fuel Additives for HCCI Engines; HCCI Control and Operating Range Extension; Kinetics of HCCI Combustion; HCCI Engine Modeling Approaches.In addition to the extensive overview of terminology, physical processes, and future needs, each chapter also features select SAE papers (a total of 41 are included in the book), as well as a comprehensive list of references related to the subjects. Homogeneous Charge Compression Ignition (HCCI) Engines: Key Research and Development Issues provides a valuable base of information for those interested in learning about this rapidly-progressing technology which has the potential to enhance fuel economy and reduce emissions.
Book Synopsis Reducing Particulate Emissions in Gasoline Engines by : Thorsten Boger
Download or read book Reducing Particulate Emissions in Gasoline Engines written by Thorsten Boger and published by SAE International. This book was released on 2018-11-28 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: For years, diesel engines have been the focus of particulate matter emission reductions. Now, however, modern diesel engines emit less particles than a comparable gasoline engine. This transformation necessitates an introduction of particulate reduction strategies for the gasoline-powered vehicle. Many strategies can be leveraged from diesel engines, but new combustion and engine control technologies will be needed to meet the latest gasoline regulations across the globe. Particulate reduction is a critical health concern in addition to the regulatory requirements. This is a vital issue with real-world implications. Reducing Particulate Emissions in Gasoline Engines encompasses the current strategies and technologies used to reduce particulates to meet regulatory requirements and curtail health hazards - reviewing principles and applications of these techniques. Highlights and features in the book include: Gasoline particulate filter design, function and applications Coated and uncoated three way catalyst design and integration Measurement of gasoline particulate matter emission, both laboratory and PEMS The goal is to provide a comprehensive assessment of gasoline particulate emission control to meet regulatory and health requirements - appealing to calibration, development and testing engineers alike.
Book Synopsis Experimental Investigation of Dual-fuel Combustion Using Fuel Reforming for Efficiency Improvements and Soot Reduction by : Jamen Luke Olk
Download or read book Experimental Investigation of Dual-fuel Combustion Using Fuel Reforming for Efficiency Improvements and Soot Reduction written by Jamen Luke Olk and published by . This book was released on 2017 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Investigation of a Bi-fuel Engine by : Christopher J. Tennant
Download or read book Experimental Investigation of a Bi-fuel Engine written by Christopher J. Tennant and published by . This book was released on 1994 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Experimental Investigation Into the Performance and Emission Characteristics of CNG and Gasoline in a 4-stroke, Internal Combustion Engine by :
Download or read book An Experimental Investigation Into the Performance and Emission Characteristics of CNG and Gasoline in a 4-stroke, Internal Combustion Engine written by and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Gasoline Compression Ignition Technology by : Gautam Kalghatgi
Download or read book Gasoline Compression Ignition Technology written by Gautam Kalghatgi and published by Springer Nature. This book was released on 2022-01-17 with total page 339 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on gasoline compression ignition (GCI) which offers the prospect of engines with high efficiency and low exhaust emissions at a lower cost. A GCI engine is a compression ignition (CI) engine which is run on gasoline-like fuels (even on low-octane gasoline), making it significantly easier to control particulates and NOx but with high efficiency. The state of the art development to make GCI combustion feasible on practical vehicles is highlighted, e.g., on overcoming problems on cold start, high-pressure rise rates at high loads, transients, and HC and CO emissions. This book will be a useful guide to those in academia and industry.
Book Synopsis Experimental Investigation of a Premixed Compression Ignition Engine by : Soheil Zeraati Rezaei
Download or read book Experimental Investigation of a Premixed Compression Ignition Engine written by Soheil Zeraati Rezaei and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Characterization and control of single injection partially premixed combustion in a multi cylinder engine by : Magnus Lewander
Download or read book Characterization and control of single injection partially premixed combustion in a multi cylinder engine written by Magnus Lewander and published by . This book was released on 2009 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
