Results 51 to 60 of about 252,548 (168)

Nonlinear stability of high Lewis number combustion fronts

open access: yesIndiana University Mathematics Journal, 2009
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.
openaire   +2 more sources

Quantification of the Local Heat Release Rate During Flame-Vortex Interactions at Different Lewis Numbers and Equivalence Ratios

open access: yesEurasian Chemico-Technological Journal, 2014
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
doaj   +1 more source

On the onset of thermosolutal instability in a layer of an elastico-viscous nanofluid in porous medium [PDF]

open access: yesFME Transactions, 2014
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?

open access: yesComptes Rendus. Chimie
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
doaj   +1 more source

Manipulating the Lewis antigen specificity of the cholesterol-dependent cytolysin lectinolysin

open access: yesFrontiers in Immunology, 2012
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
doaj   +1 more source

On the Onsetof Thermal Instability in a Low Prandtl Number Nanofluid Layer in a Porous Medium

open access: yesJournal of Applied Fluid Mechanics, 2015
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  

Impact of Hartmann number and aspect ratio on the heat and mass transfer characteristics in a hexagonal enclosure with a heated circular obstacle inside

open access: yesAin Shams Engineering Journal
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
doaj   +1 more source

Double-Diffusive Bioconvection in a Suspension of Gyrotactic Microorganisms Saturated by Nanofluid

open access: yesJournal of Applied Fluid Mechanics, 2019
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

open access: yesFluids
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
doaj   +1 more source

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