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Fire
Special Issues
Understanding the Dissociation and Combustion of Gas Hydrates
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Understanding the Dissociation and Combustion of Gas Hydrates

A special issue of Fire (ISSN 2571-6255). This special issue belongs to the section "Fire Science Models, Remote Sensing, and Data".

Deadline for manuscript submissions: closed (31 March 2024) | Viewed by 1549

Special Issue Editors

Dr. Vladimir S. Morozov

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Guest Editor
Kutateladze Institute of Thermophysics Siberian Branch, Russian Academy of Sciences, 1 Acad. Lavrentiev Ave., Novosibirsk 630090, Russia
Interests: gas hydrate combustion; gas hydrate dissociation; flame front propagation; anthropogenic gaseous emissions; extinguishing; heat transfer
Dr. Sergey Ya. Misyura

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Guest Editor
Kutateladze Institute of Thermophysics Siberian Branch, Russian Academy of Sciences, 1 Acad. Lavrentiev Ave., Novosibirsk 630090, Russia
Interests: gas hydrate combustion; gas hydrate dissociation; flame front propagation; anthropogenic gaseous emissions; extinguishing; heat transfer
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Huge reserves of natural gas hydrates are some of the most promising and environmentally friendly sources of raw energy. In the broad spectrum of effective gas hydrate applications, several areas can be distinguished: storage and transportation, gas hydrate recovery from natural deposits, and combustion and extinguishing technologies. Combustion technologies, with the use of methane hydrates, allow for a potential reduction in harmful emissions. When modeling the combustion of gas hydrates, it is important to take into account the heat exchange of the powder layer, gas filtration through a porous medium, as well as the dependence of the dissociation kinetics on a large number of factors: temperature, pressure, porosity, particle diameter, powder layer height and gas hydrate structure. Modeling the stability of fuel combustion and flame extinguishing in the presence of carbon dioxide hydrates depends not only on the correct modeling of heat and mass transfer and combustion kinetics, but also on the calculation of the gas hydrate dissociation rate.

We are pleased to invite researchers to contribute to the creation of this Special Issue dedicated to various aspects of the dissociation of gas hydrates and combustion of fuels in the presence of CO2 hydrates.

Dr. Vladimir S. Morozov
Dr. Sergey Ya. Misyura
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. Fire is an international peer-reviewed open access monthly 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

  • gas hydrate combustion
  • gas hydrate dissociation
  • extinguishing
  • harmful emissions
  • flame front propagation
  • heat and mass transfer

Published Papers (1 paper)

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Review

23 pages, 2700 KiB  
Review
Experimental and Numerical Studies on the Efficacy of Water Mist to Suppress Hydrocarbon Fires in Enclosures
by Khalid Moinuddin, H. M. Iqbal Mahmud, Paul Joseph, Grant Gamble, Brigitta Suendermann, Cameron Wilkinson and James Bossard
Fire 2024, 7(3), 83; https://doi.org/10.3390/fire7030083 - 6 Mar 2024
Viewed by 1160
Abstract
Fire is one of the most undesirable events onboard a ship. The engine room is one of the most critical spaces in the ship in terms of fire protection, as it includes machinery, hydrocarbon fuel systems, and different electrical equipment. With the phasing [...] Read more.
Fire is one of the most undesirable events onboard a ship. The engine room is one of the most critical spaces in the ship in terms of fire protection, as it includes machinery, hydrocarbon fuel systems, and different electrical equipment. With the phasing out of Halon 1301 as a fire suppressant over recent decades, there has been an intensive effort to explore the efficacy of water-mist spray in mitigating fires within machinery spaces. This exploration entails a comprehensive investigation through experimental and simulation studies aimed at identifying suppression mechanisms and evaluating their effectiveness. While experimental setups typically encompass measurements of gas temperature, thermal radiation heat flux, oxygen concentration, and fire extinction time, limited attention has been paid to quantifying the heat release rate (HRR), a crucial indicator of fire magnitude. Furthermore, research into shielded fire scenarios remains sparse, despite their significance in maritime fire dynamics. Addressing shielded fires with water mist proves particularly challenging due to the potential obstruction impeding the direct interaction between the fire source and the water droplets. In the existing literature, most of the computational fluid dynamics (CFD) modelling of fires and suppression was performed using a Fire Dynamics Simulator (FDS). Alternate studies were performed using FireFOAM. and very few employed FLUENT and other analogous software codes. In the majority of reported computational studies, the determination of HRR was typically relied upon for its calculation derived from the measured data of fuel mass loss rate. Moreover, certain studies were undertaken for numerical simulations without conducting thorough model validation, either by omitting validation altogether or solely validating against dry fire experiments (i.e., without water-mist suppression). This critical review of the literature has identified several notable research gaps in the context of extinguishing hydrocarbon fires utilising water-mist spray, warranting further investigations. Additionally, this review paper highlights recent advancements in both experimental and numerical investigations pertaining to the efficacy of water-mist fire-suppression systems in enclosed spaces regarding hydrocarbon fires. Full article
(This article belongs to the Special Issue Understanding the Dissociation and Combustion of Gas Hydrates)
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