Advancing the Limits of Dual Fuel Combustion

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Advancing the Limits of Dual Fuel Combustion

Advancing the Limits of Dual Fuel Combustion

01 Jan 2012-

TL;DR: There is a growing interest in alternative transport fuels and there are two underlying reasons for this interest; the desire to decrease the environmental impact of transports and the need to compensate for compens....

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Abstract: There is a growing interest in alternative transport fuels. There are two underlying reasons for this interest; the desire to decrease the environmental impact of transports and the need to compens ...

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Journal Article•DOI•

Ethanol utilisation in a diesel engine using dual-fuelling technology

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Srinivas Padala¹, Changhwan Woo¹, Sanghoon Kook¹, Evatt R. Hawkes¹•Institutions (1)

University of New South Wales¹

01 Jul 2013-Fuel

TL;DR: In this paper, the authors investigated the effect of ethanol energy fraction and diesel injection timing on engine efficiency and tailpipe emissions in a single-cylinder version of a common-rail diesel engine that is widely used in passenger cars.

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106 citations

Journal Article•DOI•

A numerical investigation on combustion and emission characteristics of a dual fuel engine at part load condition

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Seyed Mohammad Mousavi¹, Rahim Khoshbakhti Saray², Kamran Poorghasemi², Amin Maghbouli³•Institutions (3)

Islamic Azad University South Tehran Branch¹, Sahand University of Technology², Polytechnic University of Milan³

15 Feb 2016-Fuel

TL;DR: In this paper, numerical modeling of OM-355 dual fuel (injection of diesel pilot fuel to premixed mixture of air and methane) engine has been performed by using KIVA-3V code at part and full loads.

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48 citations

Cites background from "Advancing the Limits of Dual Fuel C..."

...On the other hand, the low cost and easily converting possibility of the conventional diesel engines to dual fuel mode is the other benefit [4]....
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Journal Article•DOI•

Syngas (H2/CO) in a spark-ignition direct-injection engine. Part 1: Combustion, performance and emissions comparison with CNG

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Ftwi Yohaness Hagos¹, A. Rahsid Abd Aziz², Shaharin Anwar Sulaiman²•Institutions (2)

Universiti Malaysia Pahang¹, Universiti Teknologi Petronas²

22 Oct 2014-International Journal of Hydrogen Energy

TL;DR: In this article, the performance and emissions of a four-stroke, direct-injection, spark-ignition engine with syngas was investigated at various speeds, ranging from 1500 to 2400 rev/min.

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45 citations

Journal Article•DOI•

Emissions and performance of diesel-natural gas dual-fuel engine operated with stoichiometric mixture

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Jiří Vávra¹, Ivan Bortel¹, Michal Takáts¹, Marcel Diviš¹•Institutions (1)

Czech Technical University in Prague¹

15 Nov 2017-Fuel

TL;DR: In this paper, a dual-fuel operation of a diesel engine was evaluated on a single cylinder engine and the tests were focused on engine performance, efficiency, gaseous emissions and particulate matter.

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40 citations

Journal Article•DOI•

Overview of the main mechanisms triggering low-speed pre-ignition in spark-ignition engines:

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Jean-Marc Zaccardi¹, Dany Escudié²•Institutions (2)

French Institute of Petroleum¹, Institut national des sciences Appliquées de Lyon²

01 Feb 2015-International Journal of Engine Research

TL;DR: In this paper, the increase of pressure and temperature inside the combustion chamber of a gasoline engine has been studied for low-speed pre-ignition, which represents a strong limit to any further downsizing of gasoline engines.

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Abstract: Low-speed pre-ignition has become of great concern since it represents a strong limit to any further downsizing of gasoline engines. The increase of pressure and temperature inside the combustion c...

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34 citations

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Journal Article•DOI•

A and V.

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Robert W. Stephenson

01 Nov 1962-British Journal of Ophthalmology

40,330 citations

"Advancing the Limits of Dual Fuel C..." refers background in this paper

...The engine is operated and the effect of a few, easily controlled parameters, typically pilot amount, pilot timing, intake temperature, load and speed with respect to emissions and efficiency are investigated [10], [11], [12], [13], [14], [15], [16]....
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Book•

Internal combustion engine fundamentals

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John B. Heywood

01 Jan 1988

TL;DR: In this article, the authors describe real engine flow and combustion processes, as well as engine operating characteristics and their operation, including engine design and operating parameters, engine characteristics, and operating characteristics.

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Abstract: 1 Engine Types and Their Operations 2 Engine Design and Operating Parameters 3 Thermochemistry of Fuel-Air Mixtures 4 Properties of Working Fluids 5 Ideal Models of Engine Cycles 6 Gas Exchange Processes 7 SI Engine Fuel Metering and Manifold Phenomena 8 Charge Motion within the Cylinder 9 Combustion in Ignition Engines 10 Combustion in Compression Ignition Engines 11 Pollutant Formation and Control 12 Engine Heat Transfer 13 Engine Friction and Lubrication 14 Modeling Real Engine Flow and Combustion Processes 15 Engine Operating Characteristics Appendixes

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14,372 citations

"Advancing the Limits of Dual Fuel C..." refers background in this paper

...In an SI engine, the most influential crevices and their approximate contribution to the total hydrocarbons from crevices, crevice-HC, are [1]:...
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...HC emissions from diesel engines are discussed in [1] and three sources are identified: 1....
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...Otto ran his first four-stroke engine, that the internal combustion engine received the breakthrough it needed to become the predominant power source that it is today [1]....
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...The fuels available at the time did not permit compression ratios larger than 4 before the onset of knock, and while improvements were made to fuels, carburetors and ignition systems to help address this problem; Rudolf Diesel proposed a different approach [1]....
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...The contribution from wall quenching to HC emissions is considered small since most of the fuel diffuses out of the boundary layer and into the burned charge and oxidizes [1]....
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Well-to-Wheels Analysis of Future Automotive Fuels and Powertrains in the European Context. SAE Paper 2004-01-1924

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Mahieu Vincent, Edwards Robert, Griesemann Jc, Larive' Jean-Francois, Rickeard D - Show less +1 more

01 Jan 2004

1,143 citations

Proceedings Article•DOI•

Well-to-wheels analysis of future automotive fuels and powertrains in the european context

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Robert Edwards, Vincent Mahieu, Jean-Claude Griesemann¹, Jean-François Larivé, David J. Rickeard² - Show less +1 more•Institutions (2)

Renault¹, ExxonMobil²

08 Jun 2004-SAE transactions

TL;DR: A consortium of CONCAWE, EUCAR and the EU Commission's JRC carried out a Well-to-Wheels analysis of a wide range of automotive fuels and powertrains as discussed by the authors.

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Abstract: A consortium of CONCAWE, EUCAR and the EU Commission's JRC carried out a Well-to-Wheels analysis of a wide range of\automotive fuels and powertrains. The study gives an assessment of the energy consumption and greenhouse gas emissions for each pathway. It also considers macroeconomic costs and the market potential of alternative fuels.

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926 citations

Journal Article•DOI•

Effect of engine parameters and type of gaseous fuel on the performance of dual-fuel gas diesel engines—A critical review

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Bibhuti B. Sahoo¹, Niranjan Sahoo¹, Ujjwal K. Saha¹•Institutions (1)

Indian Institute of Technology Guwahati¹

01 Aug 2009-Renewable & Sustainable Energy Reviews

TL;DR: In this paper, the authors reviewed the performance, combustion and emission characteristics of dual-fuel engines which use natural gas, biogas, producer gas, methane, liquefied petroleum gas, propane, etc. as gaseous fuel.

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Abstract: Petroleum resources are finite and, therefore, search for their alternative non-petroleum fuels for internal combustion engines is continuing all over the world. Moreover gases emitted by petroleum fuel driven vehicles have an adverse effect on the environment and human health. There is universal acceptance of the need to reduce such emissions. Towards this, scientists have proposed various solutions for diesel engines, one of which is the use of gaseous fuels as a supplement for liquid diesel fuel. These engines, which use conventional diesel fuel and gaseous fuel, are referred to as ‘dual-fuel engines’. Natural gas and bio-derived gas appear more attractive alternative fuels for dual-fuel engines in view of their friendly environmental nature. In the gas-fumigated dual-fuel engine, the primary fuel is mixed outside the cylinder before it is inducted into the cylinder. A pilot quantity of liquid fuel is injected towards the end of the compression stroke to initiate combustion. When considering a gaseous fuel for use in existing diesel engines, a number of issues which include, the effects of engine operating and design parameters, and type of gaseous fuel, on the performance of the dual-fuel engines, are important. This paper reviews the research on above issues carried out by various scientists in different diesel engines. This paper touches upon performance, combustion and emission characteristics of dual-fuel engines which use natural gas, biogas, producer gas, methane, liquefied petroleum gas, propane, etc. as gaseous fuel. It reveals that ‘dual-fuel concept’ is a promising technique for controlling both NOx and soot emissions even on existing diesel engine. But, HC, CO emissions and ‘bsfc’ are higher for part load gas diesel engine operations. Thermal efficiency of dual-fuel engines improve either with increased engine speed, or with advanced injection timings, or with increased amount of pilot fuel. The ignition characteristics of the gaseous fuels need more research for a long-term use in a dual-fuel engine. It is found that, the selection of engine operating and design parameters play a vital role in minimizing the performance divergences between an existing diesel engine and a ‘gas diesel engine’.

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513 citations

"Advancing the Limits of Dual Fuel C..." refers background in this paper

...The emissions of NOx show a more complex behavior, they decrease for lean mixtures when the substitution rate is increased [7], [37] , [35]....
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...2 Diesel substitution rate The emissions of HC increase monotonously with increased diesel substitution rate and decreased amount of pilot injection [7], [35], [37]....
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...For this reason several authors report a reduction in unburned hydrocarbons when advancing the injection timing; combustion closer to TDC leads to higher temperatures and higher conversion efficiency at lean mixtures [32], [33], [34], [35], [36]....
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...NOx emissions initially increase as injection timing is advances [33], [34], [32], [36], [35]....
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