Results 31 to 40 of about 18,737 (215)

Counterflow measurements in strongly correlated GaAs hole bilayers: evidence for electron-hole pairing

open access: yes, 2004
We study interacting GaAs bilayer hole systems, with very small interlayer tunneling, in a counterflow geometry where equal currents are passed in opposite directions in the two, independently contacted layers.
Huse, D. A., Shayegan, M., Tutuc, E.
core   +1 more source

Interaction and disorder in bilayer counterflow transport at filling factor one

open access: yes, 2005
We study high mobility, interacting GaAs bilayer hole systems exhibiting counterflow superfluid transport at total filling factor $\nu=1$. As the density of the two layers is reduced, making the bilayer more interacting, the counterflow Hall resistivity (
E. Tutuc, M. Shayegan, Y. E. Lozovik
core   +1 more source

Delay of vortex ring pinchoff by an imposed bulk counterflow [PDF]

open access: yes, 2004
The Kelvin–Benjamin variational principle has been previously used to predict that vortex ring pinchoff can be delayed if the energy of the leading vortex ring is decreased during formation and/or the energy delivered by the vortex generator is increased.
Dabiri, John O., Gharib, Morteza
core   +1 more source

Counterflow in Evacuations [PDF]

open access: yes, 2013
Preprint of TGF11 (Traffic and Granular Flow, Moscow, September 2011) conference proceedings ...
openaire   +2 more sources

Noise correlations of one-dimensional Bose mixtures in optical lattices

open access: yes, 2010
We study the noise correlations of one-dimensional binary Bose mixtures, as a probe of their quantum phases. In previous work, we found a rich structure of many-body phases in such mixtures, such as paired and counterflow superfluidity.
Clark, Charles W.   +3 more
core   +1 more source

Ionic Coordination and Hierarchical Architecture Enable Record n‐Type Thermoelectric Efficiency in Soft Hydrogels

open access: yesAngewandte Chemie, Volume 138, Issue 18, 27 April 2026.
A Zn2+‐coordinated BMIM–ZnBr ionogel forms a rigid cationic scaffold and a directed anion‐migration channel, enabling pronounced thermodiffusion and an exceptional ionic Seebeck coefficient of −128 mV K−1, a high power factor of 16.7 µW cm−1 K−2, and a promising ZT of 1.1 at room temperature for harvesting low‐grade heat.
Chenyang Zhang   +9 more
wiley   +2 more sources

The Nonlinear Flow Characteristics within Two-Dimensional and Three-Dimensional Counterflow Models within Symmetrical Structures

open access: yesEnergies
In this paper, we investigate the nonlinear characteristics of the flow in a two-dimensional and a three-dimensional counterflow model with symmetrical structures.
Wenshuai Wang, Mo Yang
doaj   +1 more source

Influence of tunnel slope on movement characteristics of thermal smoke in a moving subway train fire

open access: yesCase Studies in Thermal Engineering, 2021
In this study, the three-dimensional unsteady Navier-Stokes equation and fully buoyant corrected Renormalization-group (RNG) k-ε turbulence model were employed to investigate the influence of tunnel slopes on the temperature distribution characteristics ...
Dan Zhou   +4 more
doaj   +1 more source

Fractionation of Milligram Quantities of Gadolinium and Terbium Ions by Annular Free‐Flow Isotachophoresis

open access: yesELECTROPHORESIS, EarlyView.
ABSTRACT The fractionation of milligram quantities of gadolinium (Gd) and terbium (Tb) ions is demonstrated using annular free‐flow isotachophoresis (ITP) with ammonium as the leading ion and hydronium as the terminating ion, and α‐hydroxyisobutyric acid (HIBA) and acetate as lanthanide complexing ligands.
Hannah Hallikainen   +2 more
wiley   +1 more source

A Detailed Review of Colburn and Friction Factors for Various Types of Fins Used in Compact Plate‐Fin Heat Exchangers

open access: yesHeat Transfer, EarlyView.
ABSTRACT Compact plate‐fin heat exchangers (PFHEs) are commonly utilized in diverse industries, including aerospace, automotive, processing, and space. Various fin configurations, such as Plain fins, Wavy fins, Lance and Offset fins (OSFs), Perforated fins, louvered fins, and pin fins, are employed in compact heat exchangers (CHEs).
Chennu Ranganayakulu
wiley   +1 more source

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