Št. zadetkov: 13
Izvirni znanstveni članek
Oznake:
bifurcation;inelastic shear-thinning fluid;Carreau-Yasuda model;numerical modelling;
The goal of a present study is to investigate the effects of generalized Newtonian fluids on the threshold of the transition from flow symmetry to its asymmetry for the flow through a locally constricted channel. We consider purely viscous shear-thinning fluid and compare it with the Newtonian fluid ...
Leto:
2008
Vir:
Fakulteta za strojništvo (UM FS)
Izvirni znanstveni članek
Oznake:
plane symmetric expansion;symmetry-breaking phenomena;inelastic shear-thinning fluid;power law model;finite volume method;
Planar sudden symmetric expansion flows and bifurcation phenomena of purely viscous shear-thinning fluids
Leto:
2009
Vir:
Fakulteta za strojništvo (UM FS)
Objavljeni znanstveni prispevek na konferenci
Oznake:
mehanika fluidov;nenewtonski fluid;zmes elektrofilterskega pepela in vode;tok v ceveh;tok v kapilarni cevi;reološki model;hitrostni profil;metoda končnih volumnov;numerična analiza;kvadratni model;potenčni zakon;fluid mechanics;non-Newtonian fluids;mixture of electrofilter ash and water;flow in pipes;capillary pipes;rheological model;velocity profile;shear stress;finite volume method;numerical analysis;quadratic law;power law;
In the paper a new rheological model for an electrostatic ash and water mixture is proposed. The fundamental equation of the rheological model was used to determine the relationship between the shear stress and the shear rate as well as the equation of a velocity profile for the flow through a strai ...
Leto:
2002
Vir:
Fakulteta za strojništvo (UM FS)
Izvirni znanstveni članek
Oznake:
mehanika fluidov;dinamika tekočin;reološki model;pravokotno ukrivljena cev;numerično modeliranje;tlačne izgube;viskozni pastast fluid;shear-thickening fluid;fluid dynamics;rheological model;pipe bend flow;numerical modelling;pressure losses;
The non-Newtonian fluid flow in a sharp 90 curved pipe is studied numerically to obtain the pressure loss coefficient prompted by disagreement between the existing empirical correlations and results obtained by computer codes. This disagreement results from presumption of fully developed flow throug ...
Leto:
2006
Vir:
Fakulteta za strojništvo (UM FS)
Izvirni znanstveni članek
Oznake:
natural convection;heat transfer;nanofluid;Nusselt number;
The present work deals with the natural convection in a square cavity filled with the water-based Au nanofluid. The cavity is heated on the vertical and cooled from the adjacent wall, while the other two horizontal walls are adiabatic. The governing differential equations have been solved by the sta ...
Leto:
2014
Vir:
Fakulteta za strojništvo (UM FS)
Izvirni znanstveni članek
Oznake:
Rayleigh-Bénard natural convection;water-Au nanofluid;heat transfer;numerical modelling;
The present work deals with the natural convection in a square cavity filled with a water-based Au nanofluid. The cavity is heated from the lower and cooled from the adjacent wall, while the other two walls are adiabatic. Theg overning differential equations have been solved with the standard finite ...
Leto:
2013
Vir:
Fakulteta za strojništvo (UM FS)
Izvirni znanstveni članek
Oznake:
naravna konvekcija;nanotekočine;prenos toplote;numerično modeliranje;natural convection;nanofluid;heat transfer;numerical modelling;
A numerical analysis is performed to examine the heat transfer of colloidal dispersions of Au nanoparticles in water (Au nanofluids). The analysis used a two-dimensional enclosure under natural convection heat-transfer conditions and has been carried out for the Rayleigh number in the range of 103 < ...
Leto:
2012
Vir:
Fakulteta za strojništvo (UM FS)
Diplomsko delo
Oznake:
prenosni pojavi;mehanika tekočin;nestisljiv tok;nenewtonske tekočine;metoda končnih elementov;
Numerična analiza toka nenewtonske tekočine skozi kanal z nenadno razširitvijo : diplomska naloga univerzitetnega študijskega programa
Leto:
1999
Vir:
Fakulteta za strojništvo (UM FS)
Izvirni znanstveni članek
Oznake:
mehanika fluidov;bifurkacija;potenčni zakon;kvadratni model;nenewtonski fluid;fluid mechanics;bifurcation;sudden expansion;shear thickenningfluid;quadratic model;powr law;
The incompressible non-Newtonian fluid flow through a symmetric sudden expansion is studied numerically in order to obtain Reynolds number critical value. The Quadratic model is employed to accommodate the shear-thickening behavior of corn-starch and water mixture. Numerical procedure is validated w ...
Leto:
2006
Vir:
Fakulteta za strojništvo (UM FS)
Izvirni znanstveni članek
Oznake:
natural convection;CMC-Au nanofluid;heat transfer;Nusslet number;
The present work deals with the laminar natural convection in a cubical cavity filled with a homogenous aqueous solution of carboxymethyl cellulose (CMC) based gold (Au) nanofluid obeying the power-law rheological model. The cavity is heated on the vertical and cooled from the adjacent wall, while t ...
Leto:
2015
Vir:
Fakulteta za strojništvo (UM FS)