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133  Articles
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This paper deals with an experimental assessment of the occurrence of flow macro-instabilities in a mechanically stirred suspension and visual observation of the origination and extinction of macro-vortices. The mean frequency of the occurrence of macro-i... see more

A gas-solid fluidized bed consists of mixture of gas-solid in which the particles were suspended by an imposed upward flow. In the present paper, we have carried out two dimensional numerical simulations of gas-solid fluidized bed. CFD-DEM (Computational&... see more

The dynamics of the Loop Current (LC) and the release of its anticyclonic eddy (Loop Current eddy, LCE) are some of the most important features of the circulation in the Gulf of Mexico (GoM) and key aspects to gauge the validity of numerical simulations. ... see more

A barotropic model with momentum transport, a simple baroclinic model with transports of heat only and a baroclinic model with both momentum and heat transports are used to illustrate the instabilities and the nonlinear longer term behavior of barotrop... see more

 [001]-oriented tungsten bronze type Sr0.75Ba0.25Nb2O6 uniaxial relaxor ferroelectric single crystals have been examined by the temperature dependent complex capacitance study. The capacitance dispersion maximum temperature was observed at T~58 oC wi... see more

When drops are formed at circular capillaries at high liquid flow rates, the relation between surface tension and drop volume is often not linear but shows irregularities. These volume bifurcations and other more complex pattern of detaching drops for pur... see more

Velocity data obtained by laser Doppler velocimetry (LDV) in a flat-bottomed cylindrical stirred vessel (diameter: 300 mm, filling height: 300 mm, working liquids: water and aqueous glycerine, impeller Reynolds number values (ReM): 750, 1200 and 75000) eq... see more

[001]-oriented tungsten bronze type Sr0.75Ba0.25Nb2O6 uniaxial relaxor ferroelectric single crystals have been examined by the temperature dependent complex capacitance study. The capacitance dispersion maximum temperature was observed at T~58 oC with str... see more

Relativistic jets from active galactic nuclei (AGN) often display a non-uniform structure and are, under certain conditions, susceptible to a number of instabilities. An interesting example is the development of non-axisymmetric, Rayleigh-Taylor type inst... see more

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