Leakage estimation of the high-pressure and high-temperature natural circulation helium loop
| Autor: | Branislav Knížat, František Világi, Róbert Olšiak, Marek Mlkvik, František Ridzoň, František Urban, Peter Mlynár |
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| Rok vydání: | 2020 |
| Předmět: |
Materials science
020209 energy Nuclear engineering chemistry.chemical_element 02 engineering and technology Nuclear reactor 01 natural sciences 010305 fluids & plasmas law.invention Coolant Natural circulation Nuclear Energy and Engineering chemistry Operating temperature law 0103 physical sciences 0202 electrical engineering electronic engineering information engineering Electric power Decay heat Helium Overheating (electricity) |
| Zdroj: | Annals of Nuclear Energy. 146:107584 |
| ISSN: | 0306-4549 |
| DOI: | 10.1016/j.anucene.2020.107584 |
| Popis: | Natural circulation loop systems are promising a reasonable option to provide the emergency decay heat removal from a nuclear reactor during an electrical power outage. The present paper deals with an experimental study on the influence of leakages on the behaviour of a single-phase natural circulation loop. The research shows the thermodynamic and hydraulic processes in a large scale natural circulation loop during several measurements. The experimental device was designed to provide heating and cooling power of 250 kW with the maximum operating temperature and pressure 520 ° C and 7 MPa, respectively. The continuous loss of coolant is very dangerous because it can result in coolant overheating. |
| Databáze: | OpenAIRE |
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