Results 31 to 40 of about 812,168 (277)

Experimental investigation of the flow-induced vibration of a curved cylinder in convex and concave configurations [PDF]

open access: yes, 2014
Experiments have been conducted to investigate the two-degree-of-freedom vortex-induced vibration (VIV) response of a rigid section of a curved circular cylinder with low mass-damping ratio.
Assi, Gustavo   +3 more
core   +1 more source

The Cylinder Product and Cylinder Matrices

open access: yesJournal of Algebra, 1999
Let \(A\) be a coquasitriangular (CQT) bialgebra over a field \(k\). Let \(\sigma\) denote the invertible braid form on \(A\otimes A\). \textit{T.~tom Dieck} and \textit{R.~Häring-Oldenburg} introduced CQT bialgebras with a cylinder form [Forum Math. 10, No. 5, 619-639 (1998; Zbl 0974.17017)].
openaire   +2 more sources

Little-Parks oscillations near a persistent current loop

open access: yes, 2012
We investigate the Little-Parks oscillations caused by a persistent current loop set on the top edge of a mesoscopic superconducting thin-walled cylinder with a finite height.
de Oliveira, Isaías G.   +2 more
core   +1 more source

Conjugate Effects of Heat and Mass Transfer on Natural Convection Flow Across an Isothermal Horizontal Circular Cylinder With Chemical Reaction

open access: yesNonlinear Analysis, 2007
Natural convection flow across an isothermal cylinder immersed in a viscous incompressible fluid in the presence of species concentration and chemical reaction has been investigated. The governing boundary layer equations are transformed into a system of
Md. A. Hye, Md. M. Molla, M. A. H. Khan
doaj   +1 more source

Wrinkling of Elastic Cylinders With Material Properties Varying in Radial Direction

open access: yesFrontiers in Mechanical Engineering, 2022
Although the instability of graded elastic cylinders has been analyzed by many researchers, most of them focused on the core-shell cylinders and film-substrate structures with inhomogeneous Young’s modulus.
Chunxiao Zhan   +3 more
doaj   +1 more source

Comparison of aerodynamic noise from three nose-cylinder combinations [PDF]

open access: yes, 1970
Results of experiments with three different cylinder and blunted nose combinations are discussed. Combinations include smooth cylinder with single 15 deg cone, smooth cylinder with double cone of 25 and 10 deg, and longitudinally corrugated cylinder with
Guenther, R. A., Reding, M. P.
core   +1 more source

Sets avoided by Brownian motion

open access: yes, 1997
Any fixed cylinder is hit almost surely by a 3-dimensional Brownian motion, but is there a random cylinder that is in the complement?
Adelman, O.   +2 more
core   +3 more sources

A methionine‐lined active site governs carbocation stabilization and product specificity in a bacterial terpene synthase

open access: yesFEBS Letters, EarlyView.
This study reveals a unique active site enriched in methionine residues and demonstrates that these residues play a critical role by stabilizing carbocation intermediates through novel sulfur–cation interactions. Structure‐guided mutagenesis further revealed variants with significantly altered product profiles, enhancing pseudopterosin formation. These
Marion Ringel   +13 more
wiley   +1 more source

CYLINDRICAL-CONICAL SURFACES INTERSECTION USING AUXILIARY SPHERES METHOD WITH MOBILE CENTER

open access: yesJournal of Industrial Design and Engineering Graphics, 2015
The paper presents: intersection between two cylinders - one is a rotation cylinder and the other is an oblique circular cylinder; intersection between a rotation cylinder with an oblique circular cone.
Dumitru Marin, Ligia Petrescu
doaj   +2 more sources

Study on Parameterization of Vortex-Induced Vibration Energy Harvester in Agricultural Environment

open access: yesAgriEngineering, 2020
In many special agricultural environments, many wireless sensors have a problem of power supply selection. Energy harvesting in the agricultural environment based on vortex-induced vibration (VIV) has the potential to solve the problem. In this paper, an
Zhangyi Liao, Anping Xiong, Renxin Liu
doaj   +1 more source

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