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National Repository of Grey Literature 12 records found  previous11 - 12  jump to record: Search took 0.01 seconds. 
Methods for evaluation of quality of automotive filters
 Sedlák, Jiří ; Drexler, Petr (referee) ; Mikulka, Jan (advisor)
This bachelor thesis deals with theoretical research, description and design of three individual methods of defective air filters detection. Individual methods are described and compared in terms of their technical difficulty and expected efficiency. These methods are optical test, acoustic test, pressure test and the method of detection of gas CO2. All researched methods were proved practically and the measurements of detection of defective air filters were taken. The defect of air filter was detected by use of optical test.
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Study of influence of input parameters for the numerical modeling of the compression test
 Polách, Marek ; Keršner, Zbyněk (referee) ; Lehký, David (advisor)
The thesis analyses influence of input parametres of the 3D Non Linear Cementitious 2 material model for the numerical modeling of compression test performed in ATENA 2D and ATENA 3D software. The aim is to identify parametres with considerable influence and subsequently replicate the load-deflection curve obtained from laboratory compression test by numerical modeling. The effects of selected model and material model settings are studied on three kind of models in total. As tools for analyzing the effects, deterministic and statistic sensitivity analyses were chosen. Parametres with significant influence will be highlighted and added to the group of parametres obtained from numerical modeling of three-point bending test. This will create a set of parametres of considerable influence when it comes to modeling advanced structures with different types of stresses.
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