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Research and Development in Single-Cylinder Engines

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "F: Electrical Engineering".

Deadline for manuscript submissions: closed (20 October 2020) | Viewed by 5347

Special Issue Editors


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Guest Editor
CMT - Motores Térmicos, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
Interests: dual-fuel; combustion; hybrid vehicles; life cycle analysis
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
CMT - Motores Térmicos, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
Interests: internal combustion engines; emissions

Special Issue Information

Dear Colleagues,

The transport sector plays a major role in the development of modern societies, covering fundamental requirements such as people mobility and goods transportation. As a result, the vehicle fleet around the world has increased exponentially over the last decades. Moreover, it is expected that this trend will continue during the next decades due to the development of the emerging countries, where transport energy demand is growing faster. Among the different powertrain sources, internal combustion engines (ICEs) are the most widely used technology nowadays, with a greater than 99.9% share of the total vehicle fleet. As the energy system is decarbonized and battery technology improves, electrification will also take part of the transport scenario at different levels, from hybrid to fully electric solutions. However, it is expected that ICEs will continue to power transport, particularly commercial transport, to a large extent for decades to come. Thus, further research is required to obtain environmentally friendlier ICE-powertrains, improving their performance and reducing their emissions down to the levels imposed by the restrictive emissions regulations.

This Special Issue encourages both academic and industrial researchers working in this field to share their latest developments made using single-cylinder engines (SCE) as a research platform. Topics of interest include (but are not limited to) the following:

  • Comprehension combustion studies in spark and compression ignition engines;
  • Visualization studies in optical SCE;
  • The development of new combustion approaches (fuels, combustion strategies, etc.);
  • New hardware development;
  • The design and development of SCE.

Dr. Javier Monsalve-Serrano
Assoc. Prof. Dr. Santiago Molina
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Internal combustion engines
  • Engine performance
  • Pollutant emissions
  • Advanced combustion techniques
  • Fuel injection and spray formation
  • Novel experimental techniques

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Published Papers (1 paper)

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Research

13 pages, 2302 KiB  
Article
1D Simulation and Experimental Analysis on the Effects of the Injection Parameters in Methane–Diesel Dual-Fuel Combustion
by Javier Monsalve-Serrano, Giacomo Belgiorno, Gabriele Di Blasio and María Guzmán-Mendoza
Energies 2020, 13(14), 3734; https://doi.org/10.3390/en13143734 - 20 Jul 2020
Cited by 39 | Viewed by 4730
Abstract
Notwithstanding the policies that move towards electrified powertrains, the transportation sector mainly employs internal combustion engines as the primary propulsion system. In this regard, for medium- to heavy-duty applications, as well as for on- and off-road applications, diesel engines are preferred because of [...] Read more.
Notwithstanding the policies that move towards electrified powertrains, the transportation sector mainly employs internal combustion engines as the primary propulsion system. In this regard, for medium- to heavy-duty applications, as well as for on- and off-road applications, diesel engines are preferred because of the better efficiency, lower CO2, and greater robustness compared to spark-ignition engines. Due to its use at a large scale, the internal combustion engines as a source of energy depletion and pollutant emissions must further improved. In this sense, the adoption of alternative combustion concepts using cleaner fuels than diesel (e.g., natural gas, ethanol and methanol) presents a viable solution for improving the efficiency and emissions of the future powertrains. Particularly, the methane–diesel dual-fuel concept represents a possible solution for compression ignition engines because the use of the low-carbon methane fuel, a main constituent of natural gas, as primary fuel significantly reduces the CO2 emissions compared to conventional liquid fuels. Nonetheless, other issues concerning higher total hydrocarbon (THC) and CO emissions, mainly at low load conditions, are found. To minimize this issue, this research paper evaluates, through a new and alternative approach, the effects of different engine control parameters, such as rail pressure, pilot quantity, start of injection and premixed ratio in terms of efficiency and emissions, and compared to the conventional diesel combustion mode. Indeed, for a deeper understanding of the results, a 1-Dimensional spray model is used to model the air-fuel mixing phenomenon in response to the variations of the calibration parameters that condition the subsequent dual-fuel combustion evolution. Specific variation settings, in terms of premixed ratio, injection pressure, pilot quantity and combustion phasing are proposed for further efficiency improvements. Full article
(This article belongs to the Special Issue Research and Development in Single-Cylinder Engines)
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