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Low-Emission Combustion Techniques: Latest Advances and Prospects—2nd Edition

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "I2: Energy and Combustion Science".

Deadline for manuscript submissions: 18 February 2025 | Viewed by 784

Special Issue Editors


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Guest Editor
School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Interests: intelligent combustion; emission control; microwave-assisted ignition; alternative fuels; power mechanical testing and intelligent control; heat transfer
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Centre for Green Technology, School of Civil and Environmental Engineering, University of Technology Sydney, Sydney, NSW 2007, Australia
Interests: internal combustion engines; spray combustion; computational fluid dynamics; vehicle emissions; air quality; renewable energy
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Interests: combustion chemical reaction kinetics; clean and efficient use of low-carbon fuels; internal combustion engine combustion and emission control

Special Issue Information

Dear Colleagues,

While the scientific and technological revolution has greatly promoted the development of human civilization, it has also brought a series of problems to the earth, such as global warming and air pollution. To protect the environment, many countries such as the United States, European Union, China, India, Japan and Australia have announced their roadmaps and measures to reach carbon neutrality. As a key source of carbon emissions, energy conservation and emissions reduction in the energy sector are crucial to the realization of carbon neutrality. Various new combustion modes for improving efficiency and reducing emissions have recently become research hotspots in the energy field. Meanwhile, the efficient use of renewable/alternative fuels such as ammonia, hydrogen, ethanol and methanol can also be used to replace fossil fuels to reduce carbon emissions.

This Special Issue aims to present and disseminate the most recent advances and prospects related to the theory, experimentation, simulation and application of all types of low-emission combustion techniques. Both research and review articles are welcome.

Topics of interest for publication include, but are not limited to:

  • Low-emission combustion techniques in IC engines, gas turbines, boilers and other burners;
  • Cleaner and renewable fuels;
  • Theory and application of renewable/alternative fuels;
  • Advanced combustion measurements, diagnostic techniques and control technologies;
  • Advanced combustion simulation methods and models;
  • Advanced pollutant emission measurements and control techniques;
  • Plasma-assisted combustion, lean combustion, HCCI and other advanced combustion modes;
  • Low-/zero-emission transport planning and operation.

Prof. Dr. Zhaowen Wang
Dr. Yuhan Huang
Dr. Shijun Dong
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

  • low-emission combustion
  • renewable/alternative fuels
  • combustion modes
  • combustion diagnostics
  • emission reduction technologies
  • ignition and combustion
  • carbon neutrality
  • transport planning and operation

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Published Papers (1 paper)

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Research

14 pages, 8073 KiB  
Article
Effects of Oxygen Concentration on Soot Formation in Ethylene and Ethane Fuel Laminar Diffusion Flames
by Hongling Ju, Renjie Zhou, Deman Zhang, Peng Deng and Zhaowen Wang
Energies 2024, 17(16), 3866; https://doi.org/10.3390/en17163866 - 6 Aug 2024
Viewed by 582
Abstract
In studying the effects of oxygen concentration and molecular structure on the morphologies of the soot particles produced by hydrocarbon fuels, ethylene and ethane were chosen as experimental fuels. With a Gülde laminar coaxial diffusion flame device, a soot particle device was used [...] Read more.
In studying the effects of oxygen concentration and molecular structure on the morphologies of the soot particles produced by hydrocarbon fuels, ethylene and ethane were chosen as experimental fuels. With a Gülde laminar coaxial diffusion flame device, a soot particle device was used to sample soot particles at different oxygen concentrations (21%, 24%, 26%, 28%, and 31%) and at different heights above a burner (HABs = 10 mm, 20 mm, 30 mm, 40 mm, and 50 mm). High-resolution transmission electron microscopy (HRTEM) was used to scrutinize and analyze the soot particles at varying oxygen concentrations. The findings suggest that at the same oxygen concentration, ethylene produces brighter and taller flames. With an increase in the oxygen concentration, ethylene flames and ethane flames gradually decrease in height and become brighter. With an increase in the HAB, the average primary soot particle diameter (Dp) increases initially and then decreases, the fractal dimension (Df) increases, and the aggregates transition from strips and chains to clusters. At the same flame height (HAB = 30 mm), the Dp decreases, the Df increases, the carbon layer torsion resistance (Tf) and the carbon layer spacing (Ds) increase, and the carbon layer changes from a parallel arrangement to a curved arrangement to form denser network aggregations. Full article
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