2016
DOI: 10.32326/1814-9146-2016-78-4-368-377
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Mathematical Model of Non-Stationary Heat and Mass Transferin a Channel With Liquid Metal Coolant Takinginto Account a Crystallization-Melting Process

Abstract: Ðàññìîòðåíû ìàòåìàòè÷åñêèå ìîäåëè òåïëîìàññîïåðåíîñà â êàíàëå ñ aeèäêîìåòàëëè÷åñêèì òåïëîíîñèòåëåì ïðè âîçíèêíîâåíèè ïðîöåññà êðèñòàëëèçàöèè-ïëàâëåíèÿ. Ìîäåëè ó÷èòûâàþò êà÷åñòâåííûå ðàçëè÷èÿ ïðîòåêàíèÿ ïðîöåññà â çàâèñèìîñòè îò ñîñòîÿíèÿ êîíòàêòíûõ ïîâåðõíîñòåé. Èñïîëüçóåòñÿ îäíîìåðíîå îïèñàíèå ïîòîêà òåïëîíîñèòåëÿ. Ïîñòóëèðóåòñÿ òåðìîäèíàìè-÷åñêîå ðàâíîâåñèå ôàç íà ãðàíèöå ôàçîâîãî ïåðåõîäà. Ïîêàçàíî, ÷òî äâóõñêîðîñòíàÿ ãåòåðîãåííàÿ ìîäåëü ïîòîêà, îïèñûâàþùàÿ îáðàçîâàíèå òâåðäîãî ñëîÿ íà ïîâåðõíîñòè òåïëîîáìå… Show more

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