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Rodinný dům s provozovnou veterinární ordinace
Kotek, Miroslav ; Slávik, Richard (oponent) ; Benešová, Romana (vedoucí práce)
Bakalářská práce řeší novostavbu rodinného domu s provozovnou veterinární ordinace v obci Pstruží. Cílem této práce je vypracovat projektovou dokumentaci pro provedení stavby. Jedná se o samostatně stojící objekt o dvou nadzemních podlažích, který je částečně podsklepený. Prostory, které slouží pro provoz veterinární ordinace, jsou umístěny v suterénu. Dvě nadzemní podlaží jsou určeny pro obývání 4-5 osob.
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Porovnání měřených okamžitých rychlostí a modelovaného proudění v míchané nádobě
Kysela, Bohuš ; Pešava, V. ; Konfršt, Jiří ; Chára, Zdeněk ; Kotek, M.
Mixing process is driven by changes of the velocity flow field and creation of the vortices structures during the operating time. In this study we compare the CFD (Computational Fluid Dynamics) calculations with experimental results of mean ensemble-averaged velocities and also the angle resolved experimental results of velocities which depend on the impeller movement that generate the vortices. The experimental data of temporal series of 2D vector maps of the velocities were obtained from the time resolved PIV measurements in the impeller region. For the instantaneous velocities and the investigation of the vortices in the impeller vicinity the LES (Large Eddy Simulation) were employed with combination of SM (Sliding Mesh) modelling of the impeller movement. The application of method and results are discussed and compared.
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Evaluation and accuracy of the local velocity data measurements in an agitated vessel
Kysela, Bohuš ; Konfršt, Jiří ; Chára, Zdeněk ; Kotek, M.
Velocity measurements of the flow field in an agitated vessel are necessary for the improvement and better understanding of the mixing processes. The obtained results are used for the calculations of the impeller pumping capacity, comparison of the power consumption etc. We performed various measurements of the local velocities in an agitated vessel final results of which should be processed for several purposes so it was necessary to make an analysis of the obtained data suitability and their quality. Analysed velocity data were obtained from the LDA (Laser Doppler Anemometry) and PIV (Particle Image Velocimetry) measurements performed on a standard equipment where the flat bottomed vessel with four baffles was agitated by the six-blade Rushton turbine. The results from both used methods were compared. The frequency analyses were examined as well as the dependency of the data rates, time series lengths etc. The demands for the data processed in the form of the ensemble-averaged results were also established.
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Experimental investigation of turbulent flow in a channel with the backward-facing inclined step
Příhoda, Jaromír ; Kotek, M. ; Uruba, Václav ; Kopecký, V. ; Hladík, Ondřej
The work deals with the experimental investigation of turbulent flow in a closed channel with the backward-facing inclined step. Experiments were carried by means of the PIV optical measuring method in the channel of the rectangular cross-section in the inlet part and with inclined steps of the constant height and various inclination angles for a wide range of the Reynolds number. The attention was paid especially to the separation region behind the step and to the relaxation of the shear layer after the reattachment in the outlet part of the channel. The dependence of the length of the separation region on the inclination step angle. Optical measurements were completed by the measurement of static pressure distribution in the inlet and outlet part of the channel to estimate energy losses.
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Experimental investigation of synthetic jet array
Dančová, Petra ; Vít, Tomáš ; Kotek, M.
Paper deals on an experimental investigation of a synthetic jet array. This investigation focuses on a partial problem of the general task “a synthetic jet array interacting with a channel flow”. The experiments have been performed with water as a working fluid using hot-wire anemometry, laser Doppler vibrometry and particle image velocimetry methods.
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Řídící terminál VEP30 a jeho základní aplikace v automatizační technice
KOTEK, Martin
Cíl mé práce je zaměřen na pochopení základů programování a práce s terminálem VEP30, používaného v učilišti firmy Robert Bosch České Budějovice . Obsah této práce se zaměřuje na základní popis vývojového a grafického prostředí a jeho využití. Pro psaní řídícího programu se využívá kontaktních schémat. Další část této práce se zabývá připojením senzorů k terminálu. Následují úlohy zaměřené na různé funkce terminálu a návod k jejich řešení. Po nastudování tohoto textu by měl být student schopen samostatně využívat terminál v jeho základních funkcích.
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PIV measurement of synthetic jet array
Dančová, Petra ; Vít, Tomáš ; Kotek, M.
This paper describes PIV experiments of a synthetic jet array. This part of measurements is an important step of the general study of a channel flow which is affected by synthetic jet array with emphasis on low Reynolds numbers. The study is experimental. The experiments are performed with water as the working fluids, and PIV method is used.
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