Moderator Heat Sources in TEPLATOR District Heating SMR

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23220%2F22%3A43967405" target="_blank" >RIV/49777513:23220/22:43967405 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Moderator Heat Sources in TEPLATOR District Heating SMR

Popis výsledku v původním jazyce

Moderator temperature needs to be maintained below safe values in reactors with separated moderator and coolant volumes. For reactor during full power operation, main heat sources relevant to moderator volume temperature are heat transfer from nuclear fission source and radiation heating caused by various nuclear reactions. These reactions include radiation heating from fission neutrons, secondary photons from (n,γ) reactions, fission photons, spent nuclear fuel neutrons, spent nuclear fuel photons and Co-60 photons from activated steel components. Although the radiation heating can represent less intensive heat source, it is a direct source in the moderator volume and it can affect moderator volume temperature more than relatively distant heat sources in the fuel. For reactor during outage before core unloading, heat transfer from nuclear fission is replaced by heat transfer from spent nuclear fuel decay heat. In the paper, radiation heating and its components along with spent nuclear fuel decay heat for TEPLATOR district heating Small Modular Reactor is calculated by MCNP and SCALE codes.

Název v anglickém jazyce

Moderator Heat Sources in TEPLATOR District Heating SMR

Popis výsledku anglicky

Moderator temperature needs to be maintained below safe values in reactors with separated moderator and coolant volumes. For reactor during full power operation, main heat sources relevant to moderator volume temperature are heat transfer from nuclear fission source and radiation heating caused by various nuclear reactions. These reactions include radiation heating from fission neutrons, secondary photons from (n,γ) reactions, fission photons, spent nuclear fuel neutrons, spent nuclear fuel photons and Co-60 photons from activated steel components. Although the radiation heating can represent less intensive heat source, it is a direct source in the moderator volume and it can affect moderator volume temperature more than relatively distant heat sources in the fuel. For reactor during outage before core unloading, heat transfer from nuclear fission is replaced by heat transfer from spent nuclear fuel decay heat. In the paper, radiation heating and its components along with spent nuclear fuel decay heat for TEPLATOR district heating Small Modular Reactor is calculated by MCNP and SCALE codes.

Druh

O - Ostatní výsledky

CEP obor

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OECD FORD obor

20305 - Nuclear related engineering; (nuclear physics to be 1.3);

Projekt

<a href="/cs/project/TK02010102" target="_blank" >TK02010102: Optimalizace skladování použitého jaderného paliva</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2022

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů