National Repository of Grey Literature 118 records found  1 - 10nextend  jump to record: Search took 0.00 seconds. 
Studium vedení tepla metodami počítačového modelování
STANĚK, Jakub
This diploma thesis is concerned with a problem of the line heat simulation by different kinds of materials with computer - aided COMSOL Multiphysics. The thesis is composed of three thematic units. In the first part there is a line heat principle shortly described and his basic physical quantities which are necessary for correct defining of the simulation. The second part is concerned with the software, its function, auxiliary modulus and a description of single actions, which are essential for making of the model. In the last part there is the whole process of the multiphysical task creation that enables to simulate line heat in a specific material in reliance on time.
Ventilation and air conditioning of apartment building
Kroupa, Petr ; Horká, Lucie (referee) ; Hirš, Jiří (advisor)
The purpose of my diploma thesis is to propose the air condition to apartments. The work is divided into two parts. The first part describes the climate of the internal spaces, its forms, what it is influenced by and what way it influences the human. It analyzes natural and indoor ventilations. The second part desings air condition to concrete flat, technical report including the mechanical drawings and technical paper of used products.
Heat exchanger design
Para, Marcel ; Chýlek, Radomír (referee) ; Špiláček, Michal (advisor)
This final thesis deals with the design of the water-water heat exchanger, which is part of the cooling circuit. It contains a detailed thermal and hydraulic calculation. The work also includes a basic construction drawing.
Assessment of the measure reducing heat loss residential building
Vašíř, Jan ; Chýlek, Radomír (referee) ; Baláš, Marek (advisor)
Objectives of this thesis are analysis of measurements to decrease energetical consumption of buildings and efficiency calculation of measurements made to concrete apartment building. Thesis is thematically devieded into for parts. First part is theory determinating baisic therminology. Heat conduction and its meaning for heat loss in houses is described in this part. In second part is described meaning of thermal insulation and contains analysis of market with materials including suitability of materials for thermal insulation and windows. In third part is described house which is examined in the thesis. Last fourth part contains calculation consumption of heat and examines why was not fulfiled assuption of designed savings. Financial calculation of how much money was saved and when the investmen was retruned. In this part is also estimated mass of CO2 gas emited by thermaly insulated house versus state in which house is not thermly insulated.
Effect of Incorrect Tire Inflation on Tire Segments Warming
Samek, Jakub ; Langer, Aleš (referee) ; Bilík, Martin (advisor)
This work solves the effect of incorrect tire inflation on the warming of their parts while driving a personal car. A series of tests were carried out for different tire pressure values and during the tests the temperature data of tires was collected using a thermocamera. An analysis of these data was also carried out and a proposal for modification of the methodology for further measurements was made.
Optimation and Innovation of Family Houses Heating
Vafek, Petr ; Špiláček, Michal (referee) ; Lisý, Martin (advisor)
The aim of this bachelor thesis is to resume present types of heating in the family houses including new modern types, which gradually supply old unsuitable heating sources. Further, these types are compared and in the last part a technical-economical proposal of heating source for model house is made.
Increasing the energy efficiency of industrial heating plant
Spišák, Lukáš ; Lisý, Martin (referee) ; Kracík, Petr (advisor)
This bachelor thesis consists of two parts. The introductory chapters are devoted to the basic description of cogeneration and trigeneration technologies, focusing on the description of cogeneration units and cooling devices. The second part of the thesis compares two specific ways of using cogeneration units and gas boilers in the CHEMOSVIT ENERGOCHEM a.s. in the town Svit. Subsequently, both variants are evaluated energetically and economically.
Topical and Advanced Possibilities of Heating by Thermal Pumps
Božek, Michal ; Brázdil, Marian (referee) ; Lisý, Martin (advisor)
The bachelor's thesis is focused on search of one of the many methods of home heating systems, specifically on heat pumps. The first part describes the structure of heat pumps, the principle of how they work, main types, their two most important parameters and comparison of them to other systems of heating. The second part contains comparison of individual heating systems from economical point of views on a selected model house.
Design of Fireplace Stoves
Crhová, Veronika ; Sládek, Josef (referee) ; Sovják, Richard (advisor)
This Bachelor’s thesis deals with designing a hot air stove for solid fuels. The stove is designed to accumulate a huge amount of heat and to heat the space. The main idea is to work with unusual material. The concept is build on simple design and function. The thesis is composed of current market trends, design process and technical parameters.
Temperature measurement of a machine tool
Novotný, Petr ; Merenus, Ondřej (referee) ; Hermanský, Dominik (advisor)
The aim of this work is to get acquainted with the problems of temperature measurement, various types of non-contact temperature measurement and types of non-contact gauges. It also tries to explain the basic concepts and knowledge from the field of machine tools and their thermal load. Part of the thesis is to test this knowledge using measurements at Intemac Solutions s.r.o. The acquired knowledge is then evaluated using graphs and tables.

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