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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
21

Analýza podpory pražských malých a středních podniků v praktické aplikaci / Analysis of subsidy of small and middle enterprises in Prague in practical application

Froňková, Martina January 2009 (has links)
This diploma thesis consists of two main parts. In first, theoretical part, are described types of subsidies, their importance, legislative framework and systems of subsidies. In practical part the Operatinal programe is valuated based on analysis of enterpreneur environment. Operational programmes Industry and enterpreneurship and Enterpreneurship and inovation are also described in this part. Also process of application for subsidy is included.
22

Principy stanovení hladiny akustického výkonu / Sound power level estimation principles

Fajt, Jakub January 2017 (has links)
This Master´s thesis deals with principles of determination of the sound power level. At the very beginning there is an explanation of important concepts. Afterwards there is an overview of standards that deal with the sound power level determination, including the ČSN EN ISO 9614-1 standard which is used for the experiment. Last but not least, there is described the experiment, consisting of several measurements of the same object, but every time with different configuration of measuring and sound reflective surfaces.
23

Matematicko-fyzikální analýza klimatické komory / Mathematical-physical analysis of climatic chamber

Repko, Ilia January 2018 (has links)
This work deals with the mathematical and physical analysis of the climatic chambers. The theoretical part describes the issue of climatic chambers, software SolidWorks and ANSYS Fluent, basic equations describing fluid status and fluid turbulence. The practical part of the thesis is to create the model of climatic chamber in CAD system SolidWorks and simulation of flow and and temperature distribution by ANSYS Fluent. At the end of the work the results are analyzed and evaluated.
24

Regulační systém pro klimatické zkušební komory / Regulation system for climatic test chambers

Burian, Jan January 2018 (has links)
This paper contains 5 main parts. The first deals with the general description and properties of the climatic chambers, their individual parts and how these parts work. The second part deals with the chamber of Angelantoni CH 340. In detail is described how the chamber works and there is description of this chamber up to individual parts. The third part deals with the reconstruction project, the possibilities of reconstruction and the method that the chamber reconstructed. The fourth part describes the hardware that had to be selected and replaced and which parts of the chamber had to be modified. In the last part is a description of the program that controls the chamber after the reconstruction.
25

Detekce ionizujícího záření pomocí Geiger-Müllerova detektoru / Detection of ionize radiation with Geiger-Müller tube

Dědina, Radim January 2008 (has links)
This work deals with problems related with detection and measuring of the ionisated radiation. First part of this work is devoted to theoretical problems of detection, particulary to measuring with Geiger Muller tubes. Second part of the work contains proposal of electronical circuit using Geiger Muller tube as well as description of results experimentally acquired while using the detector, which was manufactured according to the proposed scheme. On the basis of those results it appears that proposed apparatus can be used for significant indication range extension.
26

Virtuální měřicí systém pro nestandardní bezodrazové komory / Virtual Measurement System for the Anechoic Chambers

Váško, Ondřej January 2013 (has links)
Master thesis examines a selected part of electromagnetic compatibility. In this work, there is theoretically discussed how electromagnetic interference appears and how is spread through free space environment. To eliminate ambient interference signals, the measurements have been performed in anechoic chamber where the undesirable interference signals were suppressed. In the thesis, there are also described parameters of EMI receivers and limits of electromagnetic interference. The description of calculations of the antenna height for finding maximum intensity of electric field strength for standard measurement distance has been made. For proposed transformed measurement distance, calculations of intensity electric field with addition of parameters measuring antenna and object under test were performed. Correction curves for conversion intensity electric field have been obtained as the result.
27

Malá testovací teplotní komora / Small Temperature Test Chamber

Wolfshörndl, Robert January 2014 (has links)
This diploma thesis deals with the design of a small temperature test chamber. The first chapter is a study of temperature sensors suitable for realization of temperature chambers. The conclusion of this chapter is devoted to digital temperature sensor DS18B20. The second chapter deals with the principles and basic parameters of Peltier cells. In the third chapter design of individual electronic components of the temperature chamber is realized (circuit diagrams and PCBs), including a description of basic features of the microcontroller firmware. The fourth chapter is devoted to a description of the basic properties of the application software and a description of the communication protocol. The last two chapters deal with the construction of the temperature chamber and the results of final functional test.
28

Návrh vzduchem chlazeného Wankelova motoru / Design Study of Air Cooled Wankel Engine

Šeda, Petr January 2008 (has links)
Diploma thesis deals with calculation and design study of air-cooled Wankel engine and simple mechanical stress of its main parts.
29

Klimatizační komora pro teplotní zkoušky / Conditioning Chamber for Thermal Testing

Benáček, Martin January 2010 (has links)
Diploma thesis deals with measurement of temperature. The main goal of the thesis is to suggest and realize a Conditioning Chamber for Thermal Testing of small equipments and sensitive elements. The thesis is divided into theoretical and practical part. In the theoretical part are mentioned possibilities of miscue of measurement, equipments and sensitive elements for the measurement of temperature and their dividing. Furthermore, the measurement software and hardware is described for controlling and operating of the system. The practical part is detailing concept and realization of the setting of the Conditioning Chamber, which is controlled by graphical measurement software Control Web 6. The thesis is finished by exemplary measurement and is being service of practical approximation of the measurement test.
30

Konstrukční návrh vstřelovacího stroje s pevnou vstřelovací hlavou o objemu 30dm3 / Design of core shooting machine with a fixed head with a capacity 30dm3

Mátl, Pavel January 2013 (has links)
This diploma thesis deals with core shooter with stationary shooting head with a volume of 30dm3. Introductory part is about development of the foundry industry, divison and development of the machines for the core shooting and about technologies of the core production. It also marginally deals with core shooters. It describes the operation principle of a single position CB core shooter for vertically and horizontally divided cores. The thesis includes three-dimensional constructional design with a description of all parts and stress analysis of chosen components performed by using finite element method.

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