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We present a Computational Fluid Dynamics (CFD) model that predicts the sedimentation of activated sludge in a full-scale circular secondary clarifier that is equipped wi [...]
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Abstrakt: Paper presents mathematical model of two-dimensional electrolyte flow in interelectrode gap and calculation results for form electrodes with development geometr [...]
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This paper deals with description of heat and moisture transfer in deforming porous media. The mathematical model consists of balance equations of mass, energy and linear [...]
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The aim of the paper is to present applications of the new interval algebraic system in acoustic problems. The modified algebraic system operates over specifically strict [...]
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Zapoměl, J.
The rotor systems consit of two principal components, of a rotor and of a stationary part, and the fluid film bearings are often used as coupling elements. As the clearan [...]
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The paper deals with the modeling and evaluation of stability conditions of the balanced rotating system with rigid discs supported on two anisotropic hydrodynamic bearin [...]
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ElGamal, M. A.
For decades, the Global South has been facing many challenges in the field of heritage conservation and local development. These challenges continue to increase due to ra [...]
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One possibility how to decrease lateral vibration of rotors excited by imbalance of the rotating parts is to couple the shaft with the stationary part through squeeze fil [...]
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Crack problem for an array of collinear cracks in composite matrix, where the cracks tips may terminate at the interfaces of inclusions with the different elastic propert [...]
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Mík, V.
An analytical-numerical model of the velocity and temperature field was created, whose parameters are expressed as functions of the thickness of the hydrodynamic and ther [...]
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The vibration amplitude of rotors excited by imbalance can be significantly reduced if damping devices are inserted between the rotor and its stationary part. To achieve [...]
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This contribution deals with computational modelling of static and dynamic analysis of journal bearings. In this contribution a new theoretical approach to the modelling [...]
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The paper deals with numerical computations of viscous incompressible fluid flow in glottis described by Navier-Stokes equations and discretised by the finite element met [...]
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The accuracy of numerical solution of fluid dynamic tasks depends on both the geometrical and functional discretization. The paper deals with an applicability of high ord [...]
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Axisymmetric circular plates subjected to stationary and transient dynamic loads are analyzed in the presented paper. Effect of viscous damping is also considered. Dynami [...]
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One of the possibility, how to reduce amplitude of transversal vibration of rotors is to put together their rotating and no-rotating part by the squeeze film damper. This [...]
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The paper deals with the numerical simulation of a turbulent compressible fluid flow through the two-dimensional model of a gap caused by the incorrect contact of screw [...]
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One of the possibility , how to reduce amplitude of transversal vibration of rotors is to put together their rotating and no-rotating part by the squeeze film dampers. In [...]
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Skrzypczyk, J.
In this paper we study the generalized eigenvalue problem Ax=λBx for matrices with II-order perturbations with use of perturbation numbers. Such general formulation appe [...]
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This contribution is consider with computational modelling of oil film flow stability in long lemon, offset and lemon-offset uncavitated bearings. In this contribution is [...]
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These problems were solved in past by Reynolds equation, which assumed a thin and a circular gap. A modification of Reynolds equation, a presumption of its derivation and [...]
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Zapoměl, Jaroslav
Abstrakt: Properties of fluid film bearings are significantly influenced by the shape of the cross section of the holes in the bearing shells. In computational models the [...]
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The condition of stability of steady flow in rotationally symmetrical area is presented in the paper. The governing equation is Navier-Stokes and the continuity equation [...]
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