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Gas flow measurement
Slováček, Antonín ; Šedivá, Soňa (referee) ; Beneš, Petr (advisor)
The diploma thesis brings a description and realization of new measuring devices which are designed to support student´s laboratory practice of air flow measurement techniques. The new devices and laboratory exercises help students get experience of several methods of measuring which they get to know during mandatory Bachelor's and Master's study programmes. The paper also includes a theoretical background, the knowledge of which is necessary for mastering the issue. Moreover, the paper comprises a literary search of sensors and a market research. The second part of the thesis presents possibilities of the laboratory workplace, and the results of the measurements of the new laboratory devices used for sample laboratory exercises.
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Thermal Mass Flowmeter
Mlčoch, Albert ; Kunz, Jan (referee) ; Beneš, Petr (advisor)
The thesis deals with verification of the mathematical model of a thermoanemometric sensor of water flow according to the King's equation. The model and measuring apparatus are briefly described. The paper deals mainly with measurement and its evaluation. The model is gradually modified depending on the measured data. The measurement evaluation summarizes the current knowledge and measurement accuracy of a modified sensor model. Another part of this paper deals with the simulation of observed processes in COMSOL Multiphysics simulation software, how this software works and its outcomes. In the final part of this paper, the electronic circuit of the sensor is designed.
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Study of the Gas Blow-by through the Turbocharger Sealing System
Požár, Vladimír ; Novotný, Pavel (referee) ; Vacula, Jiří (advisor)
The work focuses on the investigation of gas flow within the sealing system of a turbocharger, specifically in the compressor section. The sealing „piston” ring located here is the main subject of the study, primarily examining the influence of the ring's geometry and its positioning in the shaft groove on gas leakage into the bearing housing. Furthermore, the behavior of this flow under various boundary conditions is assessed by testing different flow types.
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Thermal Mass Flowmeter
Mlčoch, Albert ; Kunz, Jan (referee) ; Beneš, Petr (advisor)
The thesis deals with verification of the mathematical model of a thermoanemometric sensor of water flow according to the King's equation. The model and measuring apparatus are briefly described. The paper deals mainly with measurement and its evaluation. The model is gradually modified depending on the measured data. The measurement evaluation summarizes the current knowledge and measurement accuracy of a modified sensor model. Another part of this paper deals with the simulation of observed processes in COMSOL Multiphysics simulation software, how this software works and its outcomes. In the final part of this paper, the electronic circuit of the sensor is designed.
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Gas flow measurement
Slováček, Antonín ; Šedivá, Soňa (referee) ; Beneš, Petr (advisor)
The diploma thesis brings a description and realization of new measuring devices which are designed to support student´s laboratory practice of air flow measurement techniques. The new devices and laboratory exercises help students get experience of several methods of measuring which they get to know during mandatory Bachelor's and Master's study programmes. The paper also includes a theoretical background, the knowledge of which is necessary for mastering the issue. Moreover, the paper comprises a literary search of sensors and a market research. The second part of the thesis presents possibilities of the laboratory workplace, and the results of the measurements of the new laboratory devices used for sample laboratory exercises.
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