National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
New Concept of Car Headlights Test Fixtures
Melničuk, Petr ; Blecha, Radim (referee) ; Knoflíček, Radek (advisor)
The subject of this diploma thesis is designing a way of substituting pneumatic drives with electrical actuators for mechanical movements in a headlights tester. The thesis also contains a theoretical introduction to the issue in the first part. Substitution variants are assessed considering chosen parameters and evaluated using multi-criteria evaluation method. Two final designs are compiled based on the evaluation results and processed into the 3D model of the tester. Drawings are produced for these solutions. In conclusion, a recommendation derived from achieved results is given to the tester manufacturer, ELCOM a.s.
Thermoelectric device for measuring temperature
Melničuk, Petr ; Kandus, Bohumil (referee) ; Podaný, Kamil (advisor)
This thesis presents the application of thermocouples for measuring temperature. Thermocouples are a kind of contact thermometers, thus requiring direct contact with measured substance. Their advantages include great flexibility due to wide choice of material combinations, which makes it possible to achieve various operating temperature ranges, anywhere from -200 to 1800 . Improper choice of thermocouple may result in added systematic error or even render it unusable. Based on literary research, individual configurations, methods of measuring liquids, gases, and solids and their practical applications were presented. Lastly, an experiment was conducted, where three different type 'K' thermocouples were compared and deviations between their measurements were assessed.

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