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Calibration task of experimental device for space technology testing
Lazar, Václav ; Horák, Marek (oponent) ; Mašek, Jakub (vedoucí práce)
The Master thesis deals with an experimental test facility calibration procedure. The thesis focuses on a complex mathematical thermal model proposal, which describes the inner facility thermal processes during the specimen conductance measurements. The first section introduces the test facility, its limits, and the measurement principle. The necessary third version facility upgrades made to secure the prescribed test conditions are covered. The calibration need and reasons also resonate through the first section. The second part aims at the calibration specimens and the Thermal Model designs proposals. The specimens requirements and their final properties are brought forward. The determined heat losses calculations are completed with the defined refining procedure suggestion. The calibration specimens measurements were performed with a new test facility version three. The measured results will serve as calibration inputs for the Thermal Model tuning, necessary for the calibration task completion. The functional model will enable to proceed with the next phase of the test facility experiments.
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Přenos tepla zářením a jeho dopady v běžném životě
Kalus, Petr ; Zálešák, Martin (oponent) ; Klimeš, Lubomír (vedoucí práce)
Tato bakalářská práce se zabývá vlivem přenosu tepla zářením na život kolem nás. V rámci rešeršní části jsou shrnuty základní zákony a pojmy potřebné pro pochopení dané problematiky. Dále jsou popsány a analyzovány jevy z běžného života, ve kterých je radiace dominantní. Největší pozornost byla věnována slunečnímu záření a následně skleníkovému efektu spolu s jeho vlivem na globální oteplování. Součástí práce je také postup při výpočtu přenosu tepla zářením mezi dvěma povrchy, na jehož základě byl napsán skript v jazyce Python. Následně byla vytvořena samostatně spustitelná aplikace s vlastním grafickým rozhraním. Závěr práce se zaměřuje na popis procesu tvorby softwaru a ukázce zkušebních příkladů z termomechaniky.
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Calibration task of experimental device for space technology testing
Lazar, Václav ; Horák, Marek (oponent) ; Mašek, Jakub (vedoucí práce)
The Master thesis deals with an experimental test facility calibration procedure. The thesis focuses on a complex mathematical thermal model proposal, which describes the inner facility thermal processes during the specimen conductance measurements. The first section introduces the test facility, its limits, and the measurement principle. The necessary third version facility upgrades made to secure the prescribed test conditions are covered. The calibration need and reasons also resonate through the first section. The second part aims at the calibration specimens and the Thermal Model designs proposals. The specimens requirements and their final properties are brought forward. The determined heat losses calculations are completed with the defined refining procedure suggestion. The calibration specimens measurements were performed with a new test facility version three. The measured results will serve as calibration inputs for the Thermal Model tuning, necessary for the calibration task completion. The functional model will enable to proceed with the next phase of the test facility experiments.
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