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This paper studies the specific hygrothermal behavior of Lime-Hemp concretes through analysis of non-linear coupled heat and moisture transfer using a research model. Thr [...]
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It has been found there is a probability of a sudden break of all 20 bolts fastening primary header cover. This cover separates the medium of the primary circuit header f [...]
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Paper focuses on possibilities of transient processes modelling at pressure pipe system of a non-nuclear part of a certain power plant and summarizes the results of relat [...]
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Wieczorek, B.
The paper discusses the problem of determination of displacement coupled with the flow of mass and heat consideration, which is analysed in the elastic solid with micropo [...]
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Assessment of properties of reactor vessels in nuclear power plants which are more than 30 years old is necessary for eventual prolongation of their serviceability. Vesse [...]
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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 paper presents theoretical and preliminary experimental results attempting to validate the modified nucleation theory for mixtures (published by Maršík et al. (2002 [...]
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Gronát, P.
In this paper, a correlation method for direct vorticity computation of the fluid velocity field is introduced. The correlation method allows an affine transformation of [...]
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Imperial Citadel of Thang long located in Hanoi consists of several remains belonged to successive dynasties from 11th to 19th century and ite in 2010. Since these remain [...]
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Lime coatings were originally used in historical buildings all across Europe and the rest of the globe, on lime plasters or directly on stone elements. Today, these coati [...]
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Psotný, M.
Geometrically non-linear solution of selected beam structures is analyzed and snap-through effect is presented in this article. Basic assumptions are specified and increm [...]
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The concept of apparent thermal conductivity for high-temperature investigations of porous materials taking into account moisture transport, convective and radiative mode [...]
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Abstrakt: In all power plants (classical and nuclear) are used safety relief valves. After opening of this ones the mass of fluid (gas or steam) begin to move with very h [...]
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The determination of adequate parameters for heat and moisture transport simulations of building materials is often regarded as difficult and time-consuming. Considering [...]
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This article deals with the parameters and governing mechanisms of the early water transport between mortar and brick. Two bricks with different transport parameters were [...]
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Specific feature of the nuclear power plants is in comparison with coal fired plants the break postulation of each high energy piping. Fluid system is considered as high- [...]
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This study intends to analyze various techniques and systems to mitigate environmental impacts on transportation of building materials based on the field survey of the bu [...]
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Holúbek, M.
In this paper we consider the heat transport in plexi-glass. We applied the finite element method (FEM) on simple one dimensional example and offer exact description of F [...]
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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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Simulation tools are increasingly used for assessment and design of buildings, also for architectural heritage. One specific type are so-called HAM (heat, air and moistur [...]
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The Leonov model, where the Eyring flow model is used to represent the plastic shear rate of the deformation of a material, appears to be a proper choice for the descript [...]
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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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The paper deals with simulation of N a+ leaching process occurring in alkali activated fly ashes (AAFA). The motivation arose from the concern of efflorescence, occurri [...]
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Morávka, Š.
The methods, how to do in-service inspections of ageing reinforced concrete of nuclear power plants more quickly, cheaply and reliably, are still looking for. Advanced Im [...]
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This paper deals with a computer simulation of coupled heat and moisture transfer in a reactor vessel which affected shrinkage and creep of the structure. The mathematica [...]
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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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Description of transport processes in concrete structures is important topic in durability and reliability assessment of nuclear power plants. Mechanical behaviour, trans [...]
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