An Experimental Investigation on Combustion and Engine Performance and Emissions of a Methane-gasoline Dual-fuel Optical Engine PDF Download
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Author:
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ISBN:
Category : Automobiles
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category : Automobiles
Languages : en
Pages :
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Author: Umang Dwivedi
Publisher:
ISBN:
Category : Co-combustion
Languages : en
Pages : 80
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Book Description
Diesel-ignited gasoline and diesel-ignited methane dual fuel combustion experiments were performed in a single-cylinder research engine (SCRE), outfitted with a common-rail diesel injection system and a stand-alone engine controller. Gasoline was injected in the intake port using a port-fuel injector, whereas methane was fumigated into the intake manifold. The engine was operated at a constant speed of 1500 rev/min, a constant load of 5.2 bar IMEP, and a constant gasoline/methane energy substitution of 80%. Parameters such as diesel injection timing (SOI), diesel injection pressure, and boost pressure were varied to quantify their impact on engine performance and engineout ISNOx, ISHC, ISCO, and smoke emissions. The change in combustion process from heterogeneous combustion to HCCI like combustion was also observed.
Author: Aleksander Sładkowski
Publisher: Springer Nature
ISBN: 3030423239
Category : Technology & Engineering
Languages : en
Pages : 571
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Book Description
This book analyzes how transport influences the ecology of various regions. Integrating perspectives and approaches from around the globe, it examines the use of different types of engines and fuels, and assesses the impact of vehicle design on the environment. The book also addresses the effect of the transport situation in agglomerations on their environmental safety. Various types of environmental impacts are considered, from traditional emissions to noise and vibration. Presenting scientific advances from 7 European countries, the book appeals to experts, teachers and students, as well as to anyone interested in the environmental aspects of the transport industry.
Author: Amin Yousefi
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Universal concerns about degradation in air quality, stringent emissions regulations, energy scarcity, and global warming have prompted research and development of compressed ignition engines using alternative combustion concepts. Natural gas/diesel dual-fuel combustion is an advanced combustion concept for compression ignition diesel engines, which has attracted global attention in recent years. This combustion concept is accomplished by creating reactivity stratification in the cylinder via the use of two fuels characterized by distinctly different reactivities. The low reactivity and main fuel (i.e., natural gas) is firstly premixed with air and then charged into the cylinder through the intake manifold, and the high reactivity fuel (i.e., diesel) is then injected into the charged mixture through a direct injector. This combustion concept offers prominent benefits in terms of a significant reduction of particulate matter (PM) and sometimes nitrogen oxides (NOx) emissions while maintaining comparable fuel efficiency compared to diesel engine. However, low thermal efficiency and high greenhouse gas (GHG) emissions under low load conditions are major challenges which prevented the implementation of dual-fuel concept in commercial automative engines. The present study investigates different combustion approaches with the aim to enhance combustion performance and reduce emissions of unburned methane, CO, NOx, soot, and GHG of natural gas/diesel dual-fuel engines under different engine load-speed conditions. In particular, the main focus of this thesis is on low load conditions where GHG emissions of conventional natural gas/diesel dual-fuel engine is much higher than that of conventional diesel engine. Alongside the experimental study, a computational fluid dynamic (CFD) model is developed to help understand the behaviour of natural gas/diesel dual-fuel combustion process under different engine load-speed conditions. The studied approaches showed that the fuel efficiency and GHG emissions of natural gas/diesel dual-fuel engine can be significantly improved under low engine load conditions compared to diesel engine.
Author: Ashwani K. Gupta
Publisher: Springer Nature
ISBN: 9811559961
Category : Technology & Engineering
Languages : en
Pages : 939
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Book Description
This book comprises select peer-reviewed proceedings of the 26th National Conference on IC Engines and Combustion (NCICEC) 2019 which was organised by the Department of Mechanical Engineering, National Institute of Technology Kurukshetra under the aegis of The Combustion Institute-Indian Section (CIIS). The book covers latest research and developments in the areas of combustion and propulsion, exhaust emissions, gas turbines, hybrid vehicles, IC engines, and alternative fuels. The contents include theoretical and numerical tools applied to a wide range of combustion problems, and also discusses their applications. This book can be a good reference for engineers, educators and researchers working in the area of IC engines and combustion.
Author: Li Kai
Publisher: World Scientific
ISBN: 9814295043
Category : Technology & Engineering
Languages : en
Pages : 546
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Book Description
Held in Singapore from 9 to 11 October 2009, the 2009 International Conference on Chemical, Biological and Environmental Engineering (CBEE 2009) aims to provide a platform for researchers, engineers, academicians as well as industrial professionals from all over the world to present their research and development activities in chemical, biological and environmental engineering. Conference delegates will also have the opportunity to exchange new ideas and application experiences, establish business or research relations and find global partners for future collaboration. Sample Chapter(s). Chapter 1: The Future of Biopharmaceutics'' Production (92 KB). Contents: Study on Pyrolysis Characteristics of Electronic Waste (J Sun et al.); Application of Noise Mapping on Environmental Management (K-T Tsai et al.); Characteristics and Transport Properties of Two Modified Zero Valent Iron (Y-H Lin et al.); Synthesis of Visible Light Active N-Doped Titania Photocatalyst (C Kusumawardani et al.); CFD-PBM Modeling of Vertical Bubbly Flows (M R Rahimi & H Karimi); Hydrotalcite-Like Synthesis Using Magnesium from Brine Water (E Heraldy et al.); Cement/Activated-Carbon Solidification/Stabilization Treatment of Nitrobenzene (Z Su et al.); Investigation of Fish Species Biodiversity in Haraz River (I Piri et al.); Risk Assessment of Fluoride in Indian Context (V Chaudhary & M Kumar); Light Transmission In Fluidized Bed (E Shahbazali et al.); Drying of Mushroom Using a Solar Tunnel Dryer (M A Basunia et al.); and other papers. Readership: Researchers, engineers, academicians and industrial professionals in related fields of chemical, biological and environmental engineering.
Author: Pravesh Chandra Shukla
Publisher: Springer Nature
ISBN: 9819913926
Category : Technology & Engineering
Languages : en
Pages : 349
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Book Description
This volume discusses the use of renewable fuels for clean transportation and its applications on internal combustion engines. The contents focus on the key aspects of fuel production processes and its impact on various segments of the transportation sector and for sustainable mobility. Several kinds of fuels are assessed such as biofuels, alcohols, and hydrogen, and their effects on the combustion process are characterized by application. This volume will be of use to those working in academia and industry as well as energy experts and policy makers.
Author: Avinash Kumar Agarwal
Publisher: Springer
ISBN: 9811332754
Category : Technology & Engineering
Languages : en
Pages : 253
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Book Description
This book describes the discusses advanced fuels and combustion, emission control techniques, after-treatment systems, simulations and fault diagnostics, including discussions on different engine diagnostic techniques such as particle image velocimetry (PIV), phase Doppler interferometry (PDI), laser ignition. This volume bridges the gap between basic concepts and advanced research in internal combustion engine diagnostics, making it a useful reference for both students and researchers whose work focuses on achieving higher fuel efficiency and lowering emissions.
Author: Haofan Zhang
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
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.
Author: Kalyan Kumar Srinivasan
Publisher: Springer
ISBN: 9811333076
Category : Technology & Engineering
Languages : en
Pages : 419
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Book Description
This book covers the various advanced reciprocating combustion engine technologies that utilize natural gas and alternative fuels for transportation and power generation applications. It is divided into three major sections consisting of both fundamental and applied technologies to identify (but not limited to) clean, high-efficiency opportunities with natural gas fueling that have been developed through experimental protocols, numerical and high-performance computational simulations, and zero-dimensional, multizone combustion simulations. Particular emphasis is placed on statutes to monitor fine particulate emissions from tailpipe of engines operating on natural gas and alternative fuels.
