Nonlinear stability of high Lewis number combustion fronts
In this paper a mathematical model is considered that describes combustion processes characterized by a very high Lewis number. The model is known to support a wavefront that asymptotically connects the completely burned and the unburned states, and that is unique up to translation.
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The present work aims at the detailed understanding of the local processes in premixed combustion of hydrogen, methane and propane flames at unsteady conditions.
J. A. Denev, I. Naydenova, H. Bockhorn
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On the onset of thermosolutal instability in a layer of an elastico-viscous nanofluid in porous medium [PDF]
The thermosolutal instability problem in a horizontal layer of an elasticoviscous nanofluid in porous medium is considered. Walters' (model B') fluid model is employed to describe the rheological behavior of the nanofluid and for the porous medium, the ...
Rana G.C., Thakur R.C., Kango S.K.
doaj
Frustrated Lewis pairs on nanoparticles for colloidal catalysis: dream or reality?
Catalysis by the colloidal suspension of nanoparticles has attracted considerable attention in recent years as it may combine interesting features: (i) the possibility of using inorganic catalysts, such as those of transition metal nanoparticles; (ii ...
Carenco, Sophie
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Manipulating the Lewis antigen specificity of the cholesterol-dependent cytolysin lectinolysin
The cholesterol-dependent cytolysins (CDCs) attack cells by punching large holes in their membranes. Lectinolysin from Streptococcus mitis is unique among CDCs due to the presence of an N-terminal lectin domain that enhances the pore-forming activity of ...
Sara eLawrence +8 more
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On the Onsetof Thermal Instability in a Low Prandtl Number Nanofluid Layer in a Porous Medium
Thermal instability in a low Prandtl number nanofluid in a porous medium is investigated by using Galerkin weighted residuals method for free-free boundaries. For porous medium, Brinkman-Darcy modelis applied.
Ramesh Chand, G. C. Rana
doaj
Hyrdo-thermal performance study in enclosures or cavities is a very promising field of study for industrial components design and implementation. Previous studies have investigated various shapes and conditions, but there is a significant research gap in
Afraz Hussain Majeed +5 more
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Double-Diffusive Bioconvection in a Suspension of Gyrotactic Microorganisms Saturated by Nanofluid
This paper focuses on analytical and numerical investigation of double-diffusive bioconvection in a porous media saturated by nanofluid using the modified mass flux condition.
S. Saini, Y. D. Sharma
doaj
Combined Impact of the Lewis Number and Thermal Expansion on Laminar Flame Flashback in Tubes
The understanding of the boundary layer flame flashback (BLF) has considerably improved in recent decades, driven by the increasing focus on clean energy and the need to address the operational issues associated with flashback.
Kai Huang +3 more
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Effects of Lewis number on the statistics of the invariants of the velocity gradient tensor and local flow topologies in turbulent premixed flames. [PDF]
Wacks D, Konstantinou I, Chakraborty N.
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