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Tightness measurement of hermetic compartments in NPP
Sklenár, Ondrej ; Martinec, Jiří (referee) ; Šen, Hugo (advisor)
This diploma thesis deals with measuring the tightness of the hermetic area of nuclear power plant in the way of improving safety. Describes the layout and function of this area - the primary circuit of NPP with WWER 440/213 reactors, as well as methodology for leakage search and leakage calculation procedures. Personal contribution to the issue is a proposal improving tightness of the current state in hermetic area of NPP Jaslovské Bohunice – transition of jacketed pipe designed to collect water from the floor in the box of the steam generator to the heat exchanger of the shower system. This system belongs to the safety system designed to reduce pressure in the LOCA type of accident.
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Voltage tests under wet condition
Vondrák, Michal ; Štěpánek, Jaroslav (referee) ; Krbal, Michal (advisor)
The main objective of presented thesis is to design a shower system in order to extend voltage tests by voltage wet testing. The introduction focuses on important aspects related to voltage wet testing. Such aspects originates mainly from Czech but also foreign standards. Following part of the thesis deals with specific wet testing design proposals, which fulfil the standards requirements. The final part of presented thesis is focused on partial experiments. Namely the analysis of rain water properties, behavior of rain drops exiting the nozzle with varying flow and nozzle angle, wet test on insulator in dry and wet conditions.
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Voltage tests under wet condition
Vondrák, Michal ; Štěpánek, Jaroslav (referee) ; Krbal, Michal (advisor)
The main objective of presented thesis is to design a shower system in order to extend voltage tests by voltage wet testing. The introduction focuses on important aspects related to voltage wet testing. Such aspects originates mainly from Czech but also foreign standards. Following part of the thesis deals with specific wet testing design proposals, which fulfil the standards requirements. The final part of presented thesis is focused on partial experiments. Namely the analysis of rain water properties, behavior of rain drops exiting the nozzle with varying flow and nozzle angle, wet test on insulator in dry and wet conditions.
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Tightness measurement of hermetic compartments in NPP
Sklenár, Ondrej ; Martinec, Jiří (referee) ; Šen, Hugo (advisor)
This diploma thesis deals with measuring the tightness of the hermetic area of nuclear power plant in the way of improving safety. Describes the layout and function of this area - the primary circuit of NPP with WWER 440/213 reactors, as well as methodology for leakage search and leakage calculation procedures. Personal contribution to the issue is a proposal improving tightness of the current state in hermetic area of NPP Jaslovské Bohunice – transition of jacketed pipe designed to collect water from the floor in the box of the steam generator to the heat exchanger of the shower system. This system belongs to the safety system designed to reduce pressure in the LOCA type of accident.
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