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Processes
Special Issues
Advances in Alternative Fuel Engines and Combustion Technology
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Advances in Alternative Fuel Engines and Combustion Technology

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Chemical Processes and Systems".

Deadline for manuscript submissions: 30 May 2026 | Viewed by 215

Special Issue Editors

Dr. Pengbo Dong

E-Mail Website
Guest Editor
Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian University of Technology, Dalian 116024, China
Interests: carbon neutral fuel; carbon neutral power source; engine combustion; fuel injection
Special Issues, Collections and Topics in MDPI journals
Dr. Dongsheng Dong

E-Mail Website
Guest Editor
Institute of Technical Thermodynamics, Wuhan University of Technology, Wuhan, China
Interests: combustion; hydrogen/ammonia; alernative fuels; chemical reaction kinetics
Special Issues, Collections and Topics in MDPI journals
Dr. Fuxing Wei

E-Mail Website
Guest Editor
Department of Transportation Engineering, Kunming University Science and Technology, Kunming 650500, China
Interests: energy-saving control of intelligent flying cars; vehicle-road cooperative control; battery thermal management; optimization and control of power systems for new energy vehicles
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Since the advent of gasoline and diesel internal combustion engines, the exploration of alternative fuels has never ceased. From gas fuel to bio-fuels, and further to e-fuels, renewable fuels, and green zero-carbon fuels under carbon neutrality goals, fuel types have transitioned from singular solutions to multi-energy complementarity. Moreover, emission reduction objectives have also evolved from localized pollutant control to full lifecycle carbon neutrality upgrades. Therefore, driven by different fuels, combustion technologies have undergone paradigm shifts. Innovative combustion modes, such as JCCI, SPCCI, HCCI, RCCI, PCCI, etc., have emerged, forming multi-dimensional synergies with other critical engine technologies. Furthermore, empowered by artificial intelligence, deep learning-based cutting-edge research directions demonstrate vast potential for combustion technology innovation.

This Special Issue emphasizes the diversity of alternative fuels, highlights the fundamental theories and practical development of alternative fuel internal combustion engines, and encourages the application of advanced combustion technologies in this field.

Topics of interest include, but are not limited to, the following:

  • Studies on spray breakup, wall impingement, atomization, and macroscopic structures of alternative fuels;
  • Physical and chemical modification of alternative fuel for promotion of combustion;
  • Research on ignition processes and combustion characteristics of alternative fuels under advanced combustion modes;
  • Kinetic modeling of combustion reactions for alternative fuels in internal combustion engines;
  • Development of fuel supply and injection systems for alternative fuel engines;
  • Combustion system for alternative fuel internal combustion engines;
  • Emission characteristics and aftertreatment system development for alternative fuel engines;
  • Lifecycle analysis and socio-economic impact assessment of alternative fuels;
  • Application of artificial intelligence, digital twin, and other technologies in combustion management of internal combustion engines.

This Special Issue serves as a platform to advance research on alternative fuels. Researchers from academia, industry, and institutions are invited to submit original research articles, reviews, and case studies. 

Dr. Pengbo Dong
Dr. Dongsheng Dong
Dr. Fuxing Wei
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 250 words) can be sent to the Editorial Office for assessment.

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. Processes 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 2400 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

  • alternative fuel
  • combustion
  • emission
  • engine

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Published Papers (1 paper)

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Research

24 pages, 5376 KB  
Article
Combustion Reaction Investigation of Marine Engine Mixed Fuel of Methane/Ammonia/Diesel
by Jingmin Rui, Haibin Li, Jing Zhao, Xiuyuan Bai, Ce Zhang, Zhongjie Shi, Dehai Li, Junpeng Xin, Dongsheng Dong and Longlong Jiang
Processes 2026, 14(3), 461; https://doi.org/10.3390/pr14030461 - 28 Jan 2026
Abstract
The utilization of low- and zero-carbon fuels in internal combustion engines is gaining increasing interest. In marine engine applications, the co-combustion of methane and ammonia has emerged as a promising strategy for reducing carbon emissions. In this work, a chemical kinetic mechanism for [...] Read more.
The utilization of low- and zero-carbon fuels in internal combustion engines is gaining increasing interest. In marine engine applications, the co-combustion of methane and ammonia has emerged as a promising strategy for reducing carbon emissions. In this work, a chemical kinetic mechanism for n-heptane/methane/ammonia blended fuel was developed and validated. Using this mechanism, sensitivity and chemical kinetic analyses were performed to explore the ignition characteristics of the fuel mixture. The results indicate that at an initial temperature of 1000 K, reaction R152 (C7H15-2 = CH3 + C6H12) exerts the strongest inhibiting effect on ignition. C7H15-2 is a major low-reactivity intermediate generated during n-heptane decomposition, and the accumulation of such intermediates contributes to the negative temperature coefficient (NTC) behavior. A cross-reaction between CH4 and NH3, R111 (CH4 + NH2 = CH3 + NH3), was identified, which impedes the smooth progression of oxidation. Elevated temperatures, oxygen-rich conditions, and higher ammonia blending ratios promote the formation of NO. The production of N2O is primarily governed by reaction R105 (NH + NO = N2O + H), whose rate increases with the NH3 molar fraction. Consumption of N2O occurs mainly via reactions R92 (N2O + H = N2 + OH) and R94 (N2O (+M) = N2 + O (+M)), both of which occur later than its formation through R105, indicating that N2O consumption is more sensitive to temperature. Full article
(This article belongs to the Special Issue Advances in Alternative Fuel Engines and Combustion Technology)
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