Large-Scale Turbulent Premixed Combustion: Challenges, Aspects and Perspectives
A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "I2: Energy and Combustion Science".
Deadline for manuscript submissions: closed (25 December 2023) | Viewed by 210
Special Issue Editor
Special Issue Information
Dear Colleagues,
In different process industries, accidental flammable gas release can lead to the formation of a premixed explosive air–gas mixture. If ignited, the resulting explosion can present a potential danger due to its effects on people and property. The main parameter related to the severity of the explosion is the generated overpressure. This overpressure is the result of a complex interplay between the properties of the mixture at hand, the geometry of the industrial structure, and the turbulence levels associated with flame development. To study this phenomenon is a very challenging task, both from computational and experimental points of view. While conducting CFD modelling at a large scale, typical of industrial buildings, one has to deal with the large ratio between the spatial and time scales related to geometry and turbulent reactive flow.
The modelling/prediction of explosion consequences becomes even more complicated due to presence of different emergency devices. For example, spray systems are frequently used for the mitigation of effects of explosions involving deflagration waves. Such systems are installed, for example, inside industrial buildings or on offshore facilities. Spray nozzles are also present inside some nuclear reactor buildings, and they are designed for preserving the containment integrity in case of a severe accident. If premixed combustion takes place during spray activation, the spray droplets can have two opposite effects on the flame propagation: they either mitigate the combustion or aggravate its consequences due to enhancing the turbulence of the gas mixture. Droplet diameters and the relative velocities are the main parameters affecting the global effects. Another important issue is the effect of combustion-generated pressure waves on sensitive structures, which has to be predicted with sufficient accuracy in terms of pressure peak and impulse.
We are inviting fresh contributions for this Special Issue in the area of large-scale turbulent combustion and its interaction with safety devices and structures, both from computational and experimental points of view. The journal Energies is an SSCI and SCIE journal with an IF of 3.252 (2021). Papers selected for this Special Issue will undergo rigorous peer review with the aim of rapid and wide dissemination of research results, developments, and applications.
We look forward to receiving your outstanding research for this Special Issue.
Dr. Sergey Kudriakov
Guest Editor
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Keywords
- premixed combustion
- large-scale issues
- turbulence resolution
- flame–spray interaction
- flame–structure interaction.
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