Results 91 to 100 of about 1,892,200 (345)

Direct Numerical Simulations of Liquids on Microstructured Surfaces: Analysing the Fluid Dynamics on Packing

open access: yesChemical Engineering Transactions, 2018
Structured high performance packing for packing columns have macrostructures, e.g., corrugated or folded sheets, and in many cases microstructures or surface topographies with geometrical dimensions in the same order of magnitude as the film thicknesses.
Henning Bonart, Jens-Uwe Repke
doaj   +1 more source

Direct numerical simulations of local and global torque in Taylor–Couette flow up to Re = 30 000 [PDF]

open access: yesJournal of Fluid Mechanics, 2012
The torque in turbulent Taylor–Couette flows for shear Reynolds numbers $R{e}_{S} $ up to $3\times 1{0}^{4} $ at various mean rotations is studied by means of direct numerical simulations for a radius ratio of $\eta = 0. 71$ .
Hannes J. Brauckmann, B. Eckhardt
semanticscholar   +1 more source

Spectral-based Propagation Schemes for Time-Dependent Quantum Systems with Application to Carbon Nanotubes

open access: yes, 2010
Effective modeling and numerical spectral-based propagation schemes are proposed for addressing the challenges in time-dependent quantum simulations of systems ranging from atoms, molecules, and nanostructures to emerging nanoelectronic devices.
Chen, Zuojing, Polizzi, Eric
core   +1 more source

Homologous expression and purification of human HAX‐1 for structural studies

open access: yesFEBS Open Bio, EarlyView.
This research protocol provides detailed instructions for cloning, expressing, and purifying large quantities of the intrinsically disordered human HAX‐1 protein, N‐terminally fused to a cleavable superfolder GFP, from mammalian cells. HAX‐1 is predicted to undergo posttranslational modifications and to interact with membranes, various cellular ...
Mariana Grieben
wiley   +1 more source

Toward Understanding Polar Heat Transport Enhancement in Subglacial Oceans on Icy Moons

open access: yesGeophysical Research Letters
The interior oceans of several icy moons are considered as affected by rotation. Observations suggest a larger heat transport around the poles than at the equator.
Robert Hartmann   +3 more
doaj   +1 more source

Direct Numerical Simulations of the Navier-Stokes Alpha Model

open access: yes, 1999
We explore the utility of the recently proposed alpha equations in providing a subgrid model for fluid turbulence. Our principal results are comparisons of direct numerical simulations of fluid turbulence using several values of the parameter alpha ...
Andrews   +22 more
core   +2 more sources

Navigating new norms: a systematic review of factors for the development of effective digital tools in higher education

open access: yesFEBS Open Bio, EarlyView.
What factors make for an effective digital learning tool in Higher Education? This systematic review identifies elements of a digital tool that published examples reveal to be features of an engaging and impactful digital tool. A systematic literature search yielded 25 research papers for analysis.
Akmal Arzeman   +4 more
wiley   +1 more source

Turbulent Fluid Flow Over Aerodynamically Rough Surfaces Using Direct Numerical Simulations [PDF]

open access: yes, 2015
Incompressible turbulent fluid flow in aerodynamically rough channels is investigated using direct numerical simulations. A comprehensive database of simulation data for rough surfaces with different topographical properties has been developed for 17 ...
Busse, A., Sandham, N.D., Thakkar, M.
core  

Mean-field and direct numerical simulations of magnetic flux concentrations from vertical field

open access: yes, 2014
Strongly stratified hydromagnetic turbulence has previously been found to produce magnetic flux concentrations if the domain is large enough compared with the size of turbulent eddies.
Brandenburg, A.   +4 more
core   +1 more source

Direct Numerical Simulations of Low-$Rm$ MHD turbulence based on the least dissipative modes [PDF]

open access: yes, 2010
We present a new spectral method for the Direct Numerical Simulation of Magnetohydrodynamic turbulence at low Magnetic Reynolds number. The originality of our approach is that instead of using traditional bases of functions, it relies on the basis of ...
ALBAN POTHÉRAT   +10 more
core   +2 more sources

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