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Dynamics of heating surfaces and radiators including control valves
Bartusek, Jiří ; Charvát, Pavel (referee) ; Štětina, Josef (advisor)
This thesis is theoretically described heating surfaces, radiators and regulation valves. There are also described their features, advantages and disadvantages and division according to design. The aim of the work is determine the dynamics characteristics of heating surfaces and radiators including control valves, which are parts of measurement panel. Based on the measurement are determined appropriate characteristics of which are calculated values for regulating. The result of this study can serve as a guide to the practical measurement method of dynamics characteristics of the real-working heating systems, or serve as a template for the settings according to the measured data.
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Experimental workplace of controlled drive with high dynamics
Rozkošný, Miroslav ; Marada, Tomáš (referee) ; Němec, Zdeněk (advisor)
My diploma thesis deals with the basic principle of the frequency inverter and his construnction. In the next section are analyze the basic properties and characteristics of the using equipment. The main part of this thesis is to investigate the dynamic properties of asynchronous electric motor controlled by a frequency inverter using STARTER. The results of experiments are compared and analyzed.
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Mathematical model of test facility for study critical heat flux
Bartůněk, David ; Šnajdárek, Ladislav (referee) ; Suk, Ladislav (advisor)
In the first part, the bachelor thesis is focused on the description of test facility used for studying critical heat flux and for visualizing two-phase flow in the vertical canal. In the next part, there are the basic mathematical methods that are used for solving transient behavior of real devices. The last practical part of the thesis deals with applying of preceding methods to the preheater as part of the experimental loop and creating mathematical model of this device.
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