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Journal of Differential Equations, ISSN 0022-0396, 11/2019
Journal Article
Journal of Petroleum Science and Engineering, ISSN 0920-4105, 04/2015, Volume 128, pp. 128 - 139
An analysis of laminar to turbulent transition of yield power law (YPL) fluids in concentric and eccentric annuli is presented. Both theoretical and... 
Transition | Eccentric annuli | Flow in annuli | Yield power law | Critical flow rate | HERSCHEL-BULKLEY | ENERGY & FUELS | PIPES | PRESSURE LOSSES | FLOW | ENGINEERING, PETROLEUM | PSEUDOPLASTIC FLUIDS | ECCENTRICITY | CONCENTRIC ANNULI
Journal Article
EuroIntervention, ISSN 1774-024X, 06/2018, Volume 14, Issue 3, pp. e298 - e300
Journal Article
Nonlinear Analysis, ISSN 0362-546X, 01/2018, Volume 167, p. 21
We prove that, the so called total energy functional defined on the class of radial stretchings between annuli attains its minimum on a total energy... 
Studies | Topological manifolds | Energy conservation | Mapping | Annuli
Journal Article
International Journal of Heat and Fluid Flow, ISSN 0142-727X, 08/2009, Volume 30, Issue 4, pp. 679 - 690
Heat transfer enhancement in horizontal annuli using variable properties of Al O -water nanofluid is investigated. Different viscosity and thermal conductivity... 
Viscosity | Annulus | Thermal conductivity | Natural convection | Nanofluid | MECHANICS | THERMODYNAMICS | ECCENTRIC ANNULI | ENGINEERING, MECHANICAL
Journal Article
Nonlinear Analysis, ISSN 0362-546X, 05/2017, Volume 155, p. 294
In this paper we prove the existence of continua of nonradial solutions for the Lane-Emden equation in the annulus. In a first result we show that there are... 
Harmonic analysis | Annuli | Symmetry | Eigen values
Journal Article
International Journal of Bifurcation and Chaos, ISSN 0218-1274, 11/2019, Volume 29, Issue 12, p. 1950160
In this paper, we discuss the bifurcation of periodic orbits in planar piecewise smooth systems with discontinuities on finitely many smooth curves... 
Journal Article
AIP Conference Proceedings, ISSN 0094-243X, 06/2018, Volume 1974, Issue 1
The Szegӧ kernel plays an important role in conformal mapping and satisfies a boundary Kerzman-Stein integral equation. The series representation for the Szegӧ... 
Conformal mapping | Integral equations | Annuli | Cybernetics | Convergence
Journal Article
Nonlinear Analysis. Real World Applications, ISSN 1468-1218, 04/2017, Volume 34, p. 140
This paper deals with bifurcation of limit cycles for piecewise smooth integrable non-Hamiltonian systems. We derive the first order Melnikov function, which... 
Bifurcations | Polynomials | Mathematical functions | Hamiltonian functions | Annuli
Journal Article
Energy, ISSN 0360-5442, 10/2014, Volume 75, pp. 419 - 429
Concentric dual-tubing steam injection is important in the process of thermal recovery for heavy oils. This paper firstly presented a mathematical model to... 
Wellbore heat losses | Thermophysical properties | Concentric dual-tubing steam injection well | Pressure gradient in annuli | Insulation materials | 2-PHASE FLOW | THERMODYNAMICS | TEMPERATURE | ENERGY & FUELS | ANNULI | MODEL | Oil fields | Injection wells | Electric properties | Fluids | Computational fluid dynamics | Well drilling | Fluid flow | Heat loss | Mathematical models | Wells
Journal Article
Nonlinear Analysis, ISSN 0362-546X, 01/2018, Volume 167, pp. 21 - 28
We prove that, the so called total energy functional defined on the class of radial stretchings between annuli attains its minimum on a total energy... 
Annuli | Total energy | Radial mappings | MATHEMATICS | MATHEMATICS, APPLIED
Journal Article
Chemical Engineering & Technology, ISSN 0930-7516, 04/2017, Volume 40, Issue 4, pp. 745 - 754
A flow pattern‐independent void fraction correlation for gas‐liquid two‐phase flow in vertical large‐diameter annuli is established. Two equations are proposed... 
Gas‐liquid two‐phase flow | Large‐diameter annuli | Void fraction | Drift flux model | Large-diameter annuli | Gas-liquid two-phase flow | SLUG FLOW | LIQUID HOLDUPS | PIPE | PRESSURE-DROP | PREDICTION | ENGINEERING, CHEMICAL | DRIFT-FLUX MODEL | CHANNEL | PATTERN | Accuracy | Correlation | Flux | Drift | Pipe | Annuli | Mathematical analysis | Mathematical models
Journal Article
by Wu, N and Xuan, ZX
BULLETIN OF THE KOREAN MATHEMATICAL SOCIETY, ISSN 1015-8634, 03/2019, Volume 56, Issue 2, pp. 461 - 470
In this note, we consider the growth of solutions to second order and higher order linear complex differential equations on annuli instead of the complex... 
MATHEMATICS | meromorphic solutions | annuli | differential equations | order
Journal Article
AIP Conference Proceedings, ISSN 0094-243X, 11/2019, Volume 2167, Issue 1
The article presents the model of intervertebral disc, that takes into account the presence of a nucleus pulposus and an annulus fibrous containing collagen... 
Stresses | Stress-strain relationships | Collagens | Intervertebral discs | Annuli | Strain | Fibers
Journal Article
Journal of Computational Physics, ISSN 0021-9991, 06/2016, Volume 314, pp. 35 - 59
Journal Article
International Communications in Heat and Mass Transfer, ISSN 0735-1933, 2008, Volume 35, Issue 5, pp. 657 - 665
Heat transfer enhancement in horizontal annuli using nanofluids is investigated. Water-based nanofluid containing various volume fractions of Cu, Ag, Al O and... 
Heat transfer enhancement | Natural convection | Concentric annulus | Nanofluids | FLUIDS | MECHANICS | THERMODYNAMICS | nanofluids | heat transfer enhancement | concentric annulus | natural convection | ECCENTRIC ANNULI | THERMAL-CONDUCTIVITY | FORMULATION | FLOW
Journal Article
International Journal of Applied Mechanics, ISSN 1758-8251, 08/2015, Volume 7, Issue 4
Three-dimensional (3D) numerical simulation of natural convection of an electrically conducting fluid under the influence of a magnetic field in an inclined... 
3D numerical investigation | magnetic field | Inclined cylindrical annulus | electric potential | local Nusselt number | VERTICAL CONCENTRIC ANNULI | NATURAL-CONVECTION | MECHANICS | FLUID | POROUS CHANNEL | MHD FLOW | ENCLOSURE
Journal Article
AIP Conference Proceedings, ISSN 0094-243X, 09/2019, Volume 2148, Issue 1
Annular geometry with porous medium is considered to analyze conjugate heat transfer. The solid is placed at the inner radius of the annulus. The upper half of... 
Porous media | Conjugates | Annuli | Physical properties | Heat transfer
Journal Article
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