نتایج جستجو برای: mixing energy

تعداد نتایج: 723386  

2013
Amit Tandon Amala Mahadevan

Our work is testing hypothesis 3 of the white paper “Scalable Lateral Mixing and Coherent Turbulence”: Non-QG, submesoscale instabilities feed a forward cascade of energy, scalar and Ertel PV variance, which enhances both isopycnal and diapycnal mixing. Related hypotheses are that submesoscale variability is associated with coherent structures and anisotropic mixing. Further, submesoscale proce...

2005
S. I. Abarzhi K. R. Sreenivasan

We propose a simple empirical model to describe the Rayleigh–Taylor RT turbulent mixing of immiscible, miscible and stratified fluids. For immiscible fluids, the rate of momentum loss is an invariant of the flow, whereas the energy dissipation rate increases linearly with time. Turbulent diffusion, accounted for through temperature fluctuations, does not terminate mixing but slows it down signi...

2010
Amit Tandon Amala Mahadevan

Our work will test hypothesis 3 of the white paper “Scalable Lateral Mixing and Coherent Turbulence”: Non-QG, submesoscale instabilities feed a forward cascade of energy, scalar and Ertel PV variance, which enhances both isopycnal and diapycnal mixing. Related hypotheses are that submesoscale variability is associated with coherent structures and anisotropic mixing. Further, submesoscale proces...

Journal: :Philosophical transactions. Series A, Mathematical, physical, and engineering sciences 2013
S I Abarzhi S Gauthier K R Sreenivasan

Turbulent mixing is a source of paradigm problems in physics, engineering and mathematics. Beyond this important interdisciplinary role, it has immense consequences for a broad range of applications in astrophysics, geophysics, climate and large-scale energy systems. In two volumes, we summarize and provide a perspective on the topic through some 20 articles focusing on turbulent mixing and bey...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2013
sara ahmad kelayeh cyrus ghotbi vahid taghikhani amir jalili

a viscosity model, based on eyring’s absolute rate theory combined with a cubic pr equation of state and wong-sandler mixing rule, has been proposed in order to correlate viscosities of aqueous solutions of alkanolamine mixtures at atmospheric pressure and different temperatures. in the proposed method, the energy and size parameters in studied equation of state (eos) have been obtained using t...

1999
Athar Husain

In this contribution i discuss the possibility of production of high energy cosmic tau neutrinos (E ≥ 10 GeV) in cores of Active Galactic Nuclei (AGN) originating from proton acceleration. The effects of three flavour neutrino mixing on this high energy cosmic tau neutrino flux and the prospects for its observations through double shower events [1]. In addition to AGNs, high energy cosmic tau n...

Journal: :The Journal of experimental biology 2010
Stefan Waas Roland A Werner J Matthias Starck

Digestion, absorption and assimilation of the meal are active processes that require start-up energy before the energy contained in a meal can be utilized. The energetic costs associated with feeding (specific dynamic action, SDA) are high in sit-and-wait foraging snakes that tolerate long fasting periods. We used (13)C-labelled prey to partition between endogenous energy sources (i.e. snakes' ...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده علوم 1393

in this thesis, structural, electronical, and optical properties of inverse pervskite(ca3pbo) in cubic phase have been investigated.the calculation have been done based on density functional theory and according to generalized gradiant approximate (gga) as correlating potential. in order to calculate the configurations, implementing in the wien2k code have been used from 2013 version. first of ...

2012
Ryan Barrow

DRY MAGNETIC ASSISTED IMPACTION MIXING OF SUB-MICRON BORON AND BARIUM CHROMATE FOR A TIME DELAY COMPOSITION by Ryan Barrow The objective of this investigation is to improve the mixture homogeneity of, Boron and Barium Chromate, a delay composition called T-10, using a novel dry mixing technique, called the Magnetic Assisted Impaction Mixing (MAIM). Two additional mixing methods, ultra-sonic mix...

2014
Hanna Lee Jessica Fitzgerald Daniel B. Hewins Rebecca L. McCulley Steven R. Archer Thom Rahn Heather L. Throop

Recent studies suggest the long-standing discrepancy between measured and modeled leaf litter decomposition in drylands is, in part, the result of a unique combination of abiotic drivers that include high soil surface temperature and radiant energy levels and soil-litter mixing. Temperature and radiant energy effects on litter decomposition have been widely documented. However, under field cond...

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