National Repository of Grey Literature 12 records found  1 - 10next  jump to record: Search took 0.01 seconds. 
Modern nuclear reactors
Šimík, Michal ; Suk, Ladislav (referee) ; Maar, Tomáš (advisor)
This bachelor’s thesis creates an overview of particular types of nuclear reactors, their history, present and future. Large part focus on the objectives required by modern nuclear reactors provided an international forum GIF. Reactors of fourth generation are characterized also their advantages and disadvantages. In the last section is detail description of selected type of reactor.
Seawater desalination
Kamenický, Robin ; Hájek, Zdeněk (referee) ; Maar, Tomáš (advisor)
Každodenní nedostatek pitné vody vede ke snahám tento problém řešit. Jedna z možnosti je odsolování ať už destilační, za pomoci membrán a osmózy, či dalších nekonvenčních způsobů jako je zmražení vody. Tato práce se zabývá možnostmi odsolování. Popisuje způsoby destilační, reverzní osmózu, solární odsolování a nezapomíná ani na separaci pitné vody pomoci zmražení. Spolu se získáváním pitné vody ze slané nastává také otázka energetických zdrojů. Využití fosilních paliv, obnovitelných zdrojů energie a jaderné energie, je tedy další nepostradatelné téma popisované v této práci. V neposlední řadě se zde také můžete dočíst o možném dopadu odsolování na životní prostředí, ať už z hlediska globálního v podobě možné produkce skleníkových plynů nebo dopadů lokálních. V závěrečné kapitole je podrobná ekonomická analýza odsolovacího zařízení pomoci počítačového programu DEEP. Popisované zařízení je na bázi multi effect distillation a reverzní osmózy, pro které se získává energie z jaderné elektrárny.
Nuclear facilities in transport
Bartošek, Nikola ; Maar, Tomáš (referee) ; Suk, Ladislav (advisor)
Bachelor thesis summarizes a basic overview of the use of nuclear facilities in transport. It focuses on the development and application of technology. Brief introduction mentions the development of nuclear physics and the search for suitable applications at the beginning of the nuclear age. Main part deals with use of nuclear devices in maritime and space transport. It discusses the types of reactors used in nuclear submarines, navy and civil ships. The issues of decommissioning and dismantling nuclear vessels are mentioned. Next the technology of radioisotope and reactor generators is described. In the last part the possibilities of using nuclear power for thermal rockets and ion engines are pointed out.
Application possibilities of systems with heat accumulation in nuclear power
Sklenářová, Lenka ; Maar, Tomáš (referee) ; Martinec, Jiří (advisor)
This dissertation covers the application of heat accumulation systems in nuclear power engineering, namely in nuclear power plants. It is mainly a case of passive emergency systems, whose task is to accumulate the heat produced in the reactor’s active zone and in spent fuel pools during DBA (design-basis accidents) or beyond DBA. A particular example of heat accumulation is steam condensation after LOCA (loss of coolant accident). The primary circuit steam leakage increases containment pressure and has to be decreased by the steam condensation. This thesis deals with a theoretical substitute for ice condensers, which are used as a passive safety measure in some nuclear power plants. The substitute involves a choice of an alternative material, whose melting temperature (for heat accumulation) is closer to nuclear power plant operating temperatures. The other part of the dissertation discusses heat accumulation in spent fuel pools in case of all cooling systems failure.
Heat recovery Steam generator-HRSG two presurre levels,121,3kg/s flue gas ,456 C.
Maar, Tomáš ; heinze, Bedřich (referee) ; Skála, Zdeněk (advisor)
This thesis deals with a heat recovery steam generator for gas turbine. According to the given parameters of the flue and steam, thermal balance boiler was design and configuration of the heating surfaces. Furthermore, the parameters calculated in the thermal balance of the individual heat transfer surfaces designed and drawn in the drawing.
Biomass biolers
Maar, Tomáš ; Moskalík, Jiří (referee) ; Baláš, Marek (advisor)
This bachelor’s thesis deal with a biomass boilers. In the first part of this thesis is discribed biomass like a fuel for a boilers. Second part shortly discribes a combustion proces and possible construction these device. Main thing in this thesis is calculations a exchanger and with it nessesery calculations quantiti of air, produkt of combustion, enthalpy, calculations heat transfer surface and suggestion exchange.
Application possibilities of systems with heat accumulation in nuclear power
Sklenářová, Lenka ; Maar, Tomáš (referee) ; Martinec, Jiří (advisor)
This dissertation covers the application of heat accumulation systems in nuclear power engineering, namely in nuclear power plants. It is mainly a case of passive emergency systems, whose task is to accumulate the heat produced in the reactor’s active zone and in spent fuel pools during DBA (design-basis accidents) or beyond DBA. A particular example of heat accumulation is steam condensation after LOCA (loss of coolant accident). The primary circuit steam leakage increases containment pressure and has to be decreased by the steam condensation. This thesis deals with a theoretical substitute for ice condensers, which are used as a passive safety measure in some nuclear power plants. The substitute involves a choice of an alternative material, whose melting temperature (for heat accumulation) is closer to nuclear power plant operating temperatures. The other part of the dissertation discusses heat accumulation in spent fuel pools in case of all cooling systems failure.
Heat recovery Steam generator-HRSG two presurre levels,121,3kg/s flue gas ,456 C.
Maar, Tomáš ; heinze, Bedřich (referee) ; Skála, Zdeněk (advisor)
This thesis deals with a heat recovery steam generator for gas turbine. According to the given parameters of the flue and steam, thermal balance boiler was design and configuration of the heating surfaces. Furthermore, the parameters calculated in the thermal balance of the individual heat transfer surfaces designed and drawn in the drawing.
Nuclear facilities in transport
Bartošek, Nikola ; Maar, Tomáš (referee) ; Suk, Ladislav (advisor)
Bachelor thesis summarizes a basic overview of the use of nuclear facilities in transport. It focuses on the development and application of technology. Brief introduction mentions the development of nuclear physics and the search for suitable applications at the beginning of the nuclear age. Main part deals with use of nuclear devices in maritime and space transport. It discusses the types of reactors used in nuclear submarines, navy and civil ships. The issues of decommissioning and dismantling nuclear vessels are mentioned. Next the technology of radioisotope and reactor generators is described. In the last part the possibilities of using nuclear power for thermal rockets and ion engines are pointed out.
Seawater desalination
Kamenický, Robin ; Hájek, Zdeněk (referee) ; Maar, Tomáš (advisor)
Každodenní nedostatek pitné vody vede ke snahám tento problém řešit. Jedna z možnosti je odsolování ať už destilační, za pomoci membrán a osmózy, či dalších nekonvenčních způsobů jako je zmražení vody. Tato práce se zabývá možnostmi odsolování. Popisuje způsoby destilační, reverzní osmózu, solární odsolování a nezapomíná ani na separaci pitné vody pomoci zmražení. Spolu se získáváním pitné vody ze slané nastává také otázka energetických zdrojů. Využití fosilních paliv, obnovitelných zdrojů energie a jaderné energie, je tedy další nepostradatelné téma popisované v této práci. V neposlední řadě se zde také můžete dočíst o možném dopadu odsolování na životní prostředí, ať už z hlediska globálního v podobě možné produkce skleníkových plynů nebo dopadů lokálních. V závěrečné kapitole je podrobná ekonomická analýza odsolovacího zařízení pomoci počítačového programu DEEP. Popisované zařízení je na bázi multi effect distillation a reverzní osmózy, pro které se získává energie z jaderné elektrárny.

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