Results 51 to 60 of about 88,150 (253)

Soret and Dufour Effects on Natural Convection Flow Past a Vertical Surface in a Porous Medium with Variable Viscosity

open access: yesJournal of Applied Mathematics, 2012
The heat and mass transfer characteristics of natural convection about a vertical surface embedded in a saturated porous medium subject to variable viscosity are numerically analyzed, by taking into account the diffusion-thermo (Dufour) and thermal ...
M. B. K. Moorthy, K. Senthilvadivu
doaj   +1 more source

Symmetry Analysis of Equations for Convection [PDF]

open access: yes, 2008
The differential equations describing convection in binary mixture with Soret and Dufour effects are considered. The symmetry classification of these equations with respect to the constant parameters is made.
Ryzhkov, Ilya I.
core  

Turbulent Dufour effect and Onsager-type relations

open access: yesPhysical Review E, 1999
In this paper we extend the work of Elperin et al. [Phys. Rev. Lett. 80, 69 (1998)] by showing that a turbulent Dufour-type effect is also present in chemically nonreacting gaseous admixtures. This result is used to analyze the possibility of obtaining turbulent analogs of the Onsager relations, a fundamental result for molecular crossed effects in ...
openaire   +3 more sources

Ecology and evolution of pyrazines in insects

open access: yesBiological Reviews, EarlyView.
ABSTRACT Chemical communication is the oldest and most widespread form of signalling among and within organisms. Among the many compounds involved in such communication, pyrazines – nitrogen‐containing heterocyclic molecules – are especially intriguing due to their widespread occurrence across the tree of life, from bacteria and fungi to insects and ...
Zowi Oudendijk   +2 more
wiley   +1 more source

DUFOUR EFFECT IN A DISPERSIVE LIQUID-PHASE MEDIUM IN THE GAUSSIAN BEAM FIELD [PDF]

open access: yesФизико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2013
The effect of thermal radiation produced when the transparent dispersion medium is under the Dufour effect is analyzed theoretically. Analytical expression describing the dynamics of the medium temperature is received.
V.I. Ivanov, A.I. Livashvily
doaj  

Hydrothermal analysis of Non-Newtonian second grade fluid flow on radiative stretching cylinder with Soret and Dufour effects

open access: yesCase Studies in Thermal Engineering, 2019
The present paper examines the analytical approach of a second grade fluid flow along a stretching cylinder and the Soret and Dufour effects is also investigated on the problem. The flow is subjected to thermal radiation. A system of non-linear equations
Ahmadreza Shojaei   +4 more
doaj   +1 more source

Kinematic Evidence for Superbubbles in I Zw 18: Constraints on the Star Formation History and Chemical Evolution [PDF]

open access: yes, 1996
We have combined measurements of the kinematics, morphology, and oxygen abundance of the ionized gas in \IZw18, one of the most metal-poor galaxies known, to examine the star formation history and chemical mixing processes.Comment: 31 pages including 6 ...
Martin, Crystal L.
core   +3 more sources

Multivariate Trajectories of Eating Disorder Symptoms and Weight Status in 10‐ to 17‐Year‐Old Children and Adolescents

open access: yesInternational Journal of Eating Disorders, EarlyView.
ABSTRACT Objective Eating disorders (EDs) often emerge in adolescence, but developmental trajectories across different core features remain largely unclear. Method The prospective, community‐based study included N = 898 participants aged 9.5–17.5 years (47.6% female, age 11.8 ± 1.4 years) with annual follow‐up over 2–6 (3.4 ± 1.2) years.
Anja Hilbert   +5 more
wiley   +1 more source

Geodiversity is an inseparable but underutilized aspect of ecological connectivity assessments under climate change

open access: yesEcography, EarlyView.
Conservation has shifted towards a climate change adaptation approach in which expected species range shifts are increasingly considered to mitigate effects of climate change and habitat fragmentation on biodiversity. As part of this, ecological connectivity needs to be ensured to support gene flow and viable populations in the face of changing ...
Aino‐Maija Määttänen   +2 more
wiley   +1 more source

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