Elektromagnētiski ierosinātas šķidra metāla brīvās virsmas dinamikas skaitliska un eksperimentāla izpēte

6533b837fe1ef96bd12a36bf

RESEARCH PRODUCT

Elektromagnētiski ierosinātas šķidra metāla brīvās virsmas dinamikas skaitliska un eksperimentāla izpēte

Aleksandrs Jegorovs

subject

Magnetohidrodinamika skaitliskā modelēšana Fizika šķidrais metāls brīvas virsmas dinamika

description

Šajā darbā tiek pētīta rotējošu pastāvīgo magnētu ierosināta šķidra gallija brīvās virsmas dinamika laboratorijas mēroga iekārtā. Tiek izstrādāti sajūgti elektromagnētiskā lauka un hidrodinamikas skaitliskie modeļi, kas tiek verificēti ar modeļeksperimentu palīdzību. Tiek apskatīta brīvās virsmas deformācija pie dažādiem sistēmas parametriem, piemēram, magnētu rotācijas frekvences un attāluma līdz šķidrajam metālam. Skaitliskie rezultāti kopumā labi sakrīt ar eksperimentiem un rāda, ka maksimālais virsmas deformācijas augstums ir proporcionāls magnētu rotācijas frekvencei. Pie lieliem magnētu rotācijas ātrumiem eksperimentos tiek novērotas ļoti intensīvas brīvās virsmas svārstības, kuru modelēšanai nepieciešami precīzi turbulences modeļi.

year	journal	country	edition	language
2020-01-01

https://dspace.lu.lv/dspace/handle/7/51000

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