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National Repository of Grey Literature 12 records found  previous11 - 12  jump to record: Search took 0.01 seconds. 
The Cogeneration Units for Family House - Evaluation and Simulation
 Martynek, Václav ; Baxant, Petr (referee) ; Macháček, Jan (advisor)
Master’s thesis deals with cogeneration units of low power that are used for heating of buildings and to cover the heat demand of small industrial enterprises. The introductory chapters are focusing on clarifying the principles of combined heat and power (CHP) as well as on the basic advantages and important indicators of CHP. The thesis presents a brief overview of cogeneration devices by type of primary units and also provides an overview of cogeneration units suitable for family houses that are currently available on the market. The text describes how to install and connect the cogeneration unit. The fourth chapter includes description of elemental thermal processes and possibility of heat transfer. The fifth chapter describes the thermal circuit model and calculation efficiency of a cogeneration unit. Thermal circuit consists of a cogeneration unit and a multivalent tank for hot water heating system and potable hot water system. The object of master’s thesis is to create a model of thermal circuit cogeneration units in a simulation program and a graphical user interface, that will allow a simple way to evaluate the operation of the cogeneration unit when changing the input parameters.
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Design of temperature control of power electronic element of device for radio transmission
 Laga, Ondřej ; Kotrba, Vít (referee) ; Vlach, Radek (advisor)
This work deals with the problem of overheating power devices for radio transmission, namely transmitting vacuum tubes, which often reach a high temperature by the maximum operating of this. This is the design of temperature control for this device.
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National Repository of Grey Literature : 12 records found   previous11 - 12  jump to record:
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