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Journal of Combustion
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Vladimir L. Zimont (Polaris Industries)
This paper extends a recent theoretical study that was previously presented in the form of a brief communication (Zimont, C&F, 192, 2018, 221-223), in which we proposed a simple splitting method for the derivation of two-fluid conditionally averaged equations of turbulent premixed combustion in the flamelet regime, formulated more conveniently for applications involving unclosed equations without surface-averaged unknowns. This two-fluid conditional averaging paradigm avoids the challenge in the...
Published on May 28, 2019in Journal of Combustion
Razieh Khaksari Haddad (UKM: National University of Malaysia), Cristian Maluk7
Estimated H-index: 7
(UQ: University of Queensland)
+ 1 AuthorsZambri Harun5
Estimated H-index: 5
(UKM: National University of Malaysia)
The use of interurban and urban trains has become the preferred choice for millions of daily commuters around the world. Despite the huge public investment for train technology and mayor rail infrastructure (e.g., tunnels), train safety is still a subject of concern. The work described herein reviews the state of the art on research related to critical velocity and backlayering conditions in tunnel fires. The review on backlayering conditions includes the effect of blockages, inclination, and th...
Published on Apr 28, 2019in Journal of Combustion
Biao Sun5
Estimated H-index: 5
(SYSU: Sun Yat-sen University),
Kaihua Guo5
Estimated H-index: 5
(SYSU: Sun Yat-sen University),
Vishnu Pareek21
Estimated H-index: 21
(Curtin University)
The deflagration characteristics of premixed LNG vapour-air mixtures with different mixing ratios were quantitatively and qualitatively investigated by using CFD (computational fluid dynamics) method. The CFD model was initially established based on theoretical analysis and then validated by a lab-scale deflagration experiment. The flame propagation behaviour, pressure-time history, and flame speed were compared with the experimental data, upon which a good agreement was achieved. A large-scale ...
Published on Jan 21, 2019in Journal of Combustion
Philippe Onguene Mvogo (University of Ngaoundéré), Ruben Mouangue3
Estimated H-index: 3
(University of Ngaoundéré)
+ 2 AuthorsHenri Ekobena Fouda (University of Ngaoundéré)
Compartment fire is conducted by complex phenomena which have been the topics of many studies. During fire incident in a building, damage to occupants is not often due to the direct exposition to flames but to hot and toxic gases resulting from combustion between combustibles and surrounding air. Heat is therefore taken far from the source by combustion products which could involve a rapid spread of fire in the entire building. With the intention of studying the impact of the opening size on the...
Published on Dec 6, 2018in Journal of Combustion
Joshua Piehl (WSU: Wayne State University), A. Zyada (WSU: Wayne State University)+ 1 AuthorsOmid Samimi-Abianeh1
Estimated H-index: 1
(WSU: Wayne State University)
There has been considerable progress in the area of fuel surrogate development to emulate gasoline fuels’ oxidation properties. The current paper aims to review the relevant hydrocarbon group components used for the formulation of gasoline surrogates, review specific gasoline surrogates reported in the literature, outlining their utility and deficiencies, and identify the future research needs in the area of gasoline surrogates and kinetics model.
Published on Nov 29, 2018in Journal of Combustion
JINHanhui10
Estimated H-index: 10
(ZJU: Zhejiang University),
LUOKun23
Estimated H-index: 23
(ZJU: Zhejiang University)
+ 2 AuthorsXiaoke Ku (ZJU: Zhejiang University)
Published on Nov 1, 2018in Journal of Combustion
M. Rabaçal8
Estimated H-index: 8
(IST: Instituto Superior Técnico),
M. Costa28
Estimated H-index: 28
(IST: Instituto Superior Técnico)
+ 3 AuthorsA. Kempf29
Estimated H-index: 29
(University of Duisburg-Essen)
This work focuses on the impact of the devolatilization and char combustion mode modelling on the structure of a large-scale, biomass and coal co-fired flame using large eddy simulations. The coal modelling framework previously developed for the simulation of combustion in large-scale facilities is extended for biomass capabilities. An iterative procedure is used to obtain devolatilization kinetics of coal and biomass for the test-case specific fuels and heating conditions. This is achieved by c...
Published on Oct 29, 2018in Journal of Combustion
A. Unterberger (University of Duisburg-Essen), M. Röder + 3 AuthorsK. Mohri3
Estimated H-index: 3
(University of Duisburg-Essen)
Computed Tomography of Chemiluminescence (CTC) was used to reconstruct the instantaneous three-dimensional (3D) chemiluminescence field of a high-power industrial flame, which was made optically accessible, for the first time. The reconstruction used 24 projections that were measured simultaneously, in one plane and equiangularly spaced within a total fan angle of 172.5°. The 3D results were examined by plotting both vertical and horizontal slices, revealing highly wrinkled structures with good ...
Published on Oct 4, 2018in Journal of Combustion
S. M. Aithal (Argonne National Laboratory)
Ionization in flames is of interest in the design and development of modern combustion devices. The identity and concentration of various charged species in reacting mixtures can play an important role in the diagnostics and control of such devices. Simplified chemistry computations that provide good estimates of ionic species in complex flow-fields can be used to model turbulent reacting flows in various combustion devices, greatly reducing the required computational resources for design and de...
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