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New Research in Advanced Combustion Technologies for Low-Carbon Emissions

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

Deadline for manuscript submissions: 31 March 2025 | Viewed by 1008

Special Issue Editor


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Guest Editor
College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
Interests: hydrogen energy; detonation; fluid dynamics

Special Issue Information

Dear Colleagues,

Combustion technologies are critical to many sectors, including energy, transportation, and industry. The traditional combustion processes that rely heavily on fossil fuels contribute significantly to carbon dioxide (CO₂) emissions, which drive climate change and air pollution. However, advanced combustion technologies are emerging as solutions to reduce these emissions and contribute to a more sustainable and healthier planet.

This Special Issue aims to present and disseminate the most recent advances related to advanced combustion technologies for low-carbon emissions. These technologies include, but are not limited to, the following:

Clean coal technologies, gas turbine technologies, renewable and hybrid combustion technologies, carbon capture and storage, low-emission engines, hydrogen combustion engines, and alternative fuels. 

Dr. Qiongyao Qin
Guest Editor

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.

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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

  • new technologies
  • combustion
  • flow control
  • theory
  • numerical methods
  • experiments

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Published Papers (1 paper)

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Research

25 pages, 8620 KiB  
Article
Revealing the NO Formation Kinetics for NH3/CH4 Blends Under Dual-Flame and Premixed Swirl Flame Configurations
by Siqi Wang, Cheng Tung Chong, Soroush Sheykhbaglou, Jo-Han Ng, Bo Tian and Agustin Valera-Medina
Energies 2024, 17(23), 6090; https://doi.org/10.3390/en17236090 - 3 Dec 2024
Viewed by 823
Abstract
Ammonia stands out as a promising zero-carbon fuel and an efficient hydrogen carrier, offering great promise for industrial applications in gas turbines and boilers. However, different combustion modes significantly influence the flame structure and combustion characteristics of ammonia. In this study, two distinct [...] Read more.
Ammonia stands out as a promising zero-carbon fuel and an efficient hydrogen carrier, offering great promise for industrial applications in gas turbines and boilers. However, different combustion modes significantly influence the flame structure and combustion characteristics of ammonia. In this study, two distinct fuel injection strategies were employed in a model combustor: ammonia and methane, under fully premixed and dual-flame combustion modes. Numerical simulations were performed to analyze the flame structure, velocity fields, and temperature distribution, complemented by planar flow field, flame OH* chemiluminescence, and NO emission measurements. Findings reveal that with an increasing NH3 ratio, the flame front becomes more elongated with more pronounced temperature fluctuations at the swirler exit. Particularly, at 50% NH3, a significant reduction in flame temperature is observed, notably at a height of 30 mm from the burner. For dual flames, the reaction NH2 + O ↔ HNO + H was less significant compared to its effect in premixed flames, whereas the H + O2 ↔ O + OH reaction demonstrated the highest sensitivity coefficient. An increase in the NH3 ratio correspondingly led to a reduction in NO consumption reaction rates, heightening the sensitivity coefficient for NO inhibition, and providing critical insights into ammonia combustion optimization. Full article
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