Results 21 to 30 of about 696,670 (191)
Serve Ball Trajectory Characteristics of Different Volleyballs and Their Causes
Applied Sciences, 2021 A floater serve in volleyball is a technique of serving a non-rotating or low-rotating ball, which is difficult to return because the flight path of the ball changes irregularly.
Takehiro Tamaru +2 more
doaj +1 more source
Semiclassical theory of electron drag in strong magnetic fields [PDF]
, 2004 We present a semiclassical theory for electron drag between two parallel two-dimensional electron systems in a strong magnetic field, which provides a transparent picture of the most salient qualitative features of anomalous drag phenomena observed in ...
A. G. Rojo +15 more
core +1 more source
Acta Universitatis Lodziensis. Folia Litteraria Polonica, 2018 The article focuses on the intercultural meeting between Poles and Ukrainians in the television series. The series Girls from Lviv was created by Poles and presents stories of Ukrainian migrating to Warsaw for economic reasons.
Katarzyna Drąg
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Drag Reduction by Polymers in Wall Bounded Turbulence
, 2004 We address the mechanism of drag reduction by polymers in turbulent wall bounded flows. On the basis of the equations of fluid mechanics we present a quantitative derivation of the "maximum drag reduction (MDR) asymptote" which is the maximum drag ...
A. N. Beris +8 more
core +1 more source
NARMAX Identification Based Closed-Loop Control of Flow Separation over NACA 0015 Airfoil
Fluids, 2020 A closed-loop control algorithm for the reduction of turbulent flow separation over NACA 0015 airfoil equipped with leading-edge synthetic jet actuators (SJAs) is presented.
Sohaib Obeid +2 more
doaj +1 more source
Coulomb drag in the mesoscopic regime
, 2001 We present a theory for Coulomb drag between two mesoscopic systems which expresses the drag in terms of scattering matrices and wave functions. The formalism can be applied to both ballistic and disordered systems and the consequences can be studied ...
Antti-Pekka Jauho +3 more
core +2 more sources
Flow Visualization of Spinning and Nonspinning Soccer Balls Using Computational Fluid Dynamics
Applied Sciences, 2020 Various studies have been conducted on the aerodynamic characteristics of nonspinning and spinning soccer balls. However, the vortex structures in the wake of the balls are almost unknown. One of the main computational fluid dynamics methods used for the
Takeshi Asai +3 more
doaj +1 more source
Joe Brainard’s "I Remember", Fragmentary Life Writing and the Resistance to Narrative and Identity
Text Matters, 2019 Paul Ricoeur declares that “being-entangled in stories” is an inherent property of the human condition. He introduces the notion of narrative identity—a form of identity constructed on the basis of a self-constructed life-narrative, which becomes a ...
Wojciech Drąg
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Drag of superfluid current in bilayer Bose systems [PDF]
, 2004 An effect of nondissipative drag of a superfluid flow in a system of two Bose gases confined in two parallel quasi two-dimensional traps is studied. Using an approach based on introduction of density and phase operators we compute the drag current at ...
Andreev A. F. +14 more
core +2 more sources
Two-dimensional flow of foam around an obstacle: force measurements
, 2005 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
Benjamin Dollet +17 more
core +2 more sources