Results 51 to 60 of about 699,594 (289)

Coulomb drag

open access: yes, 2015
Coulomb drag is a transport phenomenon whereby long-range Coulomb interaction between charge carriers in two closely spaced but electrically isolated conductors induces a voltage (or, in a closed circuit, a current) in one of the conductors when an ...
Levchenko, A., Narozhny, B. N.
core   +1 more source

Impact of Sustainable Binders Based on Lignin and Collagen on the Volume Stability and Mechanical Properties of MgO‐C Refractories with MgO‐C Recyclates

open access: yesAdvanced Engineering Materials, EarlyView.
Collagen hydrolysate is evaluated as a sustainable binder for MgO‐C refractories. Its thermally induced cross‐linking and gas release lead to expansion and cracking in large bricks, but tailored batches with lignin, recyclates, or fine graphite improve the gas release while thermal treatment and stability.
Till M. J. Stadtmüller   +8 more
wiley   +1 more source

Confirmation of vehicle stability criteria through a combination of smoothed particle hydrodynamics and laboratory measurements

open access: yesJournal of Flood Risk Management, 2023
This study combines laboratory experiments and numerical modelling in a novel manner to assess vehicle stability. Assessing vehicle stability forms the basis of hazard classification criteria, which in turn helps in forming safety guidelines for stream ...
Fatima Azhar   +2 more
doaj   +1 more source

Hollywood or Sodom: A conversation about Charles Busch’s rich career

open access: yesMiranda: Revue Pluridisciplinaire du Monde Anglophone, 2023
Interview with Charles Busch, actor/playwright/singer, well-known for his comedies, his drag acting and his penchant for 1940s Hollywood glamour. The interview took place on February 2nd 2023, at the author’s New York home.
Charalampos Keivanidis
doaj   +1 more source

Deconstructing Frame-Dragging [PDF]

open access: yesUniverse, 2021
The vorticity of world-lines of observers associated with the rotation of a massive body was reported by Lense and Thirring more than a century ago. In their example, the frame-dragging effect induced by the vorticity is directly (explicitly) related to the rotation of the source.
openaire   +3 more sources

Coulomb drag between ballistic quantum wires

open access: yes, 2012
We develop a kinetic equation description of Coulomb drag between ballistic one-dimensional electron systems, which enables us to demonstrate that equilibration processes between right- and left-moving electrons are crucially important for establishing ...
A. I. Baz'   +16 more
core   +1 more source

Unraveling the Effect of Tramp Elements on Phase Transformations in Steels by Combining CALPHAD Modeling and Experiments

open access: yesAdvanced Engineering Materials, EarlyView.
This study investigates how tramp elements from increased scrap usage influence phase transformations in low‐alloyed steel. Combining dilatometry and microscopy reveal that tramp elements delay transformations, reduce critical cooling rates and increase hardenability.
Lukas Hatzenbichler   +5 more
wiley   +1 more source

Two-dimensional flows of foam: drag exerted on circular obstacles and dissipation

open access: yes, 2004
A Stokes experiment for foams is proposed. It consists in a two-dimensional flow of a foam, confined between a water subphase and a top plate, around a fixed circular obstacle. We present systematic measurements of the drag exerted by the flowing foam on
Aubouy, Miguel   +5 more
core   +2 more sources

Linear stability of the 1D Saint-Venant equations and drag parameterizations [PDF]

open access: yes, 2010
The stability of the homogeneous and steady flow based on the one-dimensional Saint-Venant equations for free surface and shallow water flows of constant slope is derived and displayed through graphs.
Astruc, Dominique   +2 more
core   +4 more sources

Surface Tension Measurement of Ti‐6Al‐4V by Falling Droplet Method in Oxygen‐Free Atmosphere

open access: yesAdvanced Engineering Materials, EarlyView.
In this article, the temperature‐dependent surface tension of free falling, oscillating Ti‐6Al‐4V droplets is investigated in both argon and monosilane doped, oxygen‐free atmosphere. Droplet temperature and oscillation are captured with one single high‐speed camera, and the surface tension is calculated with Rayleigh's formula.
Johannes May   +9 more
wiley   +1 more source

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