National Repository of Grey Literature 191 records found  beginprevious179 - 188next  jump to record: Search took 0.01 seconds. 
Water Cooler for Formula Engine
Malovaný, Daniel ; Beran, Martin (referee) ; Svída, David (advisor)
The purpose of this thesis is to analyze the radiators and cooling systems used in cars participating in the competition Formula Student/SAE. Furthermore, based on input conditions to make a basic calculation and design of the water cooler and in the end of this work to evaluate the proposal.
Airflow inside of a passenger car
Bělka, Miloslav ; Štětina, Josef (referee) ; Charvát, Pavel (advisor)
This bachelor thesis deals with hearting, air-conditioning, air distribution and airflow in a cabin of a passenger car. Ventilation of the cabin is needed for acceptable level of indoor air quality. The air supplied into the cabin is conditioned by heating or air conditioning system in order to achieve an appropriate level of thermal comfort of the passengers. Various arrangements of automotive heating and air-conditioning systems are described in the thesis. The thesis also includes the description and results of a set of measurements of air temperatures and air velocities inside of a passenger car cabin.
Design of experimental model of boiler
Kuba, Pavel ; Sikora, Michal (referee) ; Vlach, Radek (advisor)
This thesis describes the design of experimental model of boiler and identification of systems parameters. Model and measuring unit were designed on basis of research study. Data acquisition module NI USB-6216 was used to measure and transfer data to computer. Programe MATLAB was used to proces data.
Temperature field analysis of spent fuel cask
Švaříček, Tomáš ; Nerud, Pavel (referee) ; Šen, Hugo (advisor)
The purpose of this thesis is temperature field analysis of spent fuel cask destined for dry buffer storage. Also to show possible ways of solving the difficulties in temperature field analysis, together with definition of simplifying presumptions and boundary conditions. Based on reasonable arguments were designed solving formulas, gained analytic solution of the temperature field and then compare analytical solution with numeric solution from ANSYS in the end of thesis.
Air conditioning systems of residential buildings and one-family houses
Verfl, Jan ; Fišer, Jan (referee) ; Janotková, Eva (advisor)
Airconditioning now a days became important equitment in every household. It keeps optimal microclimate and thermal comfort. The first chapter describes valuatiuon of microclimate and termal condition of enviroment and also termal transport in between human body and enviroment. The second chapter desribes conditioner and its main parts, division of aircondition systems and their estimation.
Ventilation and air conditioning of a car cabine
Viščor, Petr ; Hejčík, Jiří (referee) ; Fišer, Jan (advisor)
In this work are described kinds and functions of air-conditioning systems which are used in cars. Further is described heat transfer between car cabin and ambient environment and issue of reduction of air-conditioning energy consumption. Last part of the work contains numerical simulation made by the THESEUS-FE 2.1 software package. This simulation was done on a model of the Toyota Prius car and was focused on effect of glazing on a temperature of the air inside the car cabin during hot summer days.
Numerická simulace procesu termosanace stavebních konstrukcí
Kučera, Martin
This bachelor's thesis deals with the numeric simulation of hot-air treatment of wooden elements of roof truss constructions. The thesis is divided into two main parts. In the first, theoretical part, analyses of an air-flow in the area of treated construction and a heat transfer from a pre-heated air to the wooden construction are elaborated. Necessary theoretical background - laws of convection and heat transfer are listed. The second part of this thesis consists of simulations of hot-air wood treatment in particular applications. Appropriate 2D and 3D models of given situations were created and used as inputs for the finite element method analyses. Gained results are graphical depiction of the velocity of air-flow surrounding the treated elements, temperature distribution in their surrounding and cross-section of the elements itself. In order to derive the required time of the treatment process, temperatures in appropriately chosen points have been measured.
Fundaments for modelling of transitional flow with heat transfer during the production of glass by drawing in the tin bath
Příhoda, Jaromír
Approaches of the mathematical modelling of flow fields at the production of drawn glass in the tin bath are summarized. An analysis of suitable advanced turbulence models including transition models and models of turbulent heat transfer for the mathematical model based on the averaged Navier-Stokes equations. Described models are fulfilled by the constitutive relations for the thermodynamic features of the liquid tin allowing the closure of the system of governing equations.
Microclimatical problems in historical interiors
Černý, Václav ; Němeček, Miroslav
Sepsáním této publikace autoři přibližují čtenáři přístupnou formou problematiku řešení vnitřního ovzduší (mikroklimatu) památkových interiérů. Popisují jen základy přístupu k mikroklimatologii, které mají naznačit, jak je celá problematika zajímavá a zároveň ve své podstatě nesmírně složitá. Současně je cílem publikace seznámit čtenáře s terminologií používanou v tomto oboru. Tomu by také měla napomoci početná obrazová příloha, kresby, grafy, fotografi e a reprodukce historických vyobrazení interiérů zámků a bytů 19. století, umožňující lepší pochopení sledované problematiky. Pro představení škod způsobených přítomným vlhkým vzduchem, nevhodným větráním, nevětráním a prudkými výkyvy teploty během roku, vyvolávajícími kondenzaci vody na podchlazených zdech nebo nadměrné vysušování s degradací povrchů zdí. Pro upozornění na další možná rizika ohrožující památkové interiéry a jejich mobiliární náplň byly zcela záměrně vybrány historické fotografi e z fotoarchivu NPÚ dokumentující památkové interiéry krátce po roce 1948 – zámky Doudleby nad Orlicí a Jezeří – kde z důvodu změny politických poměrů v roce 1948 a následných konfiskací došlo k přetržení kontinuity i té nejzákladnější péče o ně. S následky tohoto jed- nání, vedoucího k těžkým poškozením historických interiérů a jejich náplně, je nutné se vypořádávat dodnes. Další soubor historických fotografi í, dokumentující interiéry Kostelce nad Orlicí a Opočna, byl zařazen, aby upozornil na neuralgická místa památkových interiérových instalací z hlediska problematiky, které se tato práce věnuje.
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Prediction of radiative heat transfer in argon arc plasmas using the method of partial characteristics
Aubrecht, Vladimír
Radiative heat transfer is a significant energy exchange process in arc plasmas. In the paper, an approximate Method of partial characteristics (MPC) is used to evaluate radiation intensities in argon arc plasmas of cylindrical symmetries at the atmospheric plasma pressure.

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