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Artificial lung ventilation for neonates
Pohořilský, Marek ; Mlkvik, Marek (referee) ; Lízal, František (advisor)
The bachelor thesis deals with optimization of artificial lung ventilation (CPAP) aiming to achieve higher efficiency in use with neonates at neonatal intensive care unit. The content of the thesis is divided into three parts. The first part describes the basic principle of the mechanical ventilation operation, lung parenchymal disease, respiratory care of neonates and patient interface devices. The second part of the thesis focuses on research, which is divided into chapters describing calculation of pressure loss and the experiment itself. The last part outlines a comparison and evaluation of individual interface devices and recommendation of effective practical use.
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Condensation aerosol generator - range of operation
Súkeník, Michal ; Chovancová, Michaela (referee) ; Lízal, František (advisor)
In this bachelor thesis I deal with condensation aerosol generator and its range of operation. This device is based on controlled heterogenous condensation and is widely used in different fields such as inhalation studies, testing filters or calibration of measuring devices. The primary aim of the thesis is to verify the quality of producing aerosol and the depandance on the operation conditions. I also deal with methods of generated aerosols as well as their statistical description.
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Laser Doppler anemometry
Osička, Tomáš ; Lízal, František (referee) ; Jedelský, Jan (advisor)
This bachelor thesis deals with laser Doppler anemometry (LDA). It is a modern, non-intrusive flow measurement technique. The work deals with theoretical principles and components of the method. The experimental part is devoted to setting of the system. Vector plot and profile plot display the measurement results.
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Production and storage of hydrogen
Krátký, Štěpán ; Lízal, František (referee) ; Hejčík, Jiří (advisor)
The goal of this bachelor’s thesis is to make an overview of current technologies used to produce and store hydrogen. First part deals with production technologies. Hydrogen production is divided into three categories: production of hydrogen from fossil fuels, from water and from BIO sources. Second part is dedicated to storage technologies and contains the most known methods of hydrogen storage.
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Advanced laser diagnostic systems to measure flow field
Loutocký, Petr ; Lízal, František (referee) ; Jedelský, Jan (advisor)
The aim of this work is to give readers a comprehensive view of the present laser methods for measuring the velocity of fluid flow. The methods are classified and compared according to various criteria. Individual techniques are briefly outlined their principles of measurement, options and range of applications. Furthermore, this work discusses the advantages and disadvantages, appropriate areas of application and the basic parameters. At the end we can find a sample analysis of data measured by one method.
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Flow visualization methods
Ďurdina, Lukáš ; Jedelský, Jan (referee) ; Lízal, František (advisor)
ĎURDINA, L. Flow visualization methods. Brno: Brno University of Technology, Faculty of Mechanical Engineering, 2010. 45 p. Thesis supervisor Ing. František Lízal. This thesis deals with fluid flow visualization methods with respect to their practical application possibilities. Chronological description of the historically valuable visualization experiments emphasises the role of visualization in the experimental fluid mechanics. A brief characteristic of the flow field contains mathematical description of the objects, which can be visualized. Visualization methods are divided into experimental and computer aided methods. Individual methods are ordered subsequently beginning with those with lowest requirements for equipment to the more sophisticated methods. Various techniques, which provide qualitative and quantitative description of the tested gas or liquid flow, are described. The overview for the choice of methods for various applications sums up the important facts from previous chapters. Description of a simple helium bubble flow visualization experiment realized in a lab can be found at the end of the thesis.
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Heat engines for waste heat utilization
Macháček, Pavel ; Lízal, František (referee) ; Jedelský, Jan (advisor)
This thesis deals with heat cycles for waste heat utilization and their comparison. The first part describes particular heat cycles, their basic modifications and working principle, their advantages and disadvantages and typical applications. The second part is dedicated to technical parameters and creating of idealized models of those cycles on the basis of gained data. The comparison of the cycles is also done.
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An advancement of heating plants system in Brno
Brabec, Vít ; Lízal, František (referee) ; Jaroš, Michal (advisor)
The content of this bachelor’s thesis is the examination of the advancement of heating plants system in Brno. The first part of the thesis introduces a brief overview of an eighty-year history of heating industry in Brno from the first ideas up to the current state. Next part closely describes the individual plants and the system of centralized heat supply. The last section compares heat supply through steam and hydrothermal pipe-line and its influence on the combined production of heat and electrical energy.
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Heating and Ventilation of Industrial Buildings
Ležovič, Tomáš ; Lízal, František (referee) ; Krejčí, Vladimír (advisor)
The Bachelor´s thesis is concerned with ways of adaptation of interior surroundings in industrial buildings, first and foremost in respect of demands in operation and attainable comfort on workplace. As an introduction, author targets the concepts that bear relation to interior microclimate and characterization of industrial buildings, which should help to get better orientation in existent dilemma. Next part of the thesis contains a compendium of the basic heating and aerating systems in industrial buildings involving both their preferencies and deficiencies. In conclusion, there is accomplished the general evaluation of the aforesaid systems and the comparison of the radiant and the air heating method of heating.
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