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National Repository of Grey Literature 3 records found  Search took 0.01 seconds. 
Experimental equipment for testing of cooling by hollow shaft
 Kraml, Aleš ; Musil, Filip (referee) ; Vlach, Radek (advisor)
This thesis describes the process of innovation of an experimental equipment for testing of cooling by hollow shaft. The outcome of this work is a functional measuring station allowing to perform test measurements for various configurations of fans, inner tubes and hollow shafts up to a diameter of 30 mm.
Detailed record
Parameters identification of DC machine coupled model
 Kraml, Aleš ; Huzlík, Rostislav (referee) ; Vlach, Radek (advisor)
This thesis deals with design and implementation of experiments leading to identification of parameters of a DC machine, creation of its model with coupled electrical, mechanical and thermal part. The first part describes various methods of modeling thermal resistance between body and ambient and the methods are compared. Furthermore, methods of identifying coefficient of damping and identification of moment of inertia are described. Second part of the thesis describes preparation and identification of resistance of the winding, inductance, heat capacities of rotor and housing and parameter c and measurement of damping coefficients. In the next part, the creation of a Simulink model of the DC machine is described. Furthermore, this thesis describes the algorithm for identification of parameters of an existing machine and the possibilities of using the model and identification in the development of a new machine. The next part assesses using the algorithm of identification and model as a basis for the creation of a virtual twin.
Detailed record
Experimental equipment for testing of cooling by hollow shaft
 Kraml, Aleš ; Musil, Filip (referee) ; Vlach, Radek (advisor)
This thesis describes the process of innovation of an experimental equipment for testing of cooling by hollow shaft. The outcome of this work is a functional measuring station allowing to perform test measurements for various configurations of fans, inner tubes and hollow shafts up to a diameter of 30 mm.
Detailed record

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