V rabote izlagaetsya avtorskiy opyt prilozheniya metoda modelirovaniya krupnykh vikhrey (Large Eddy Simulation, LES) i gibridnykh RANS/LES podkhodov k zadacham turbulentnoy teplovoy konvektsii, razvivayushcheysya v podogrevaemykh snizu emkostyakh. Daetsya obzor metodov chislennogo modelirovaniya turbulentnykh termokonvektivnykh techeniy. Obsuzhdaetsya matematicheskaya model" i chislennyy metod, na osnove kotorogo byli provedeny raschety. Predstavlyayutsya rezul"taty vypolnennykh na osnove trekhmernykh nestatsionarnykh formulirovok raschetov turbulentnoy svobodnoy konvektsii, razvivayushcheysya v polostyakh razlichnoy konfiguratsii pri podogreve snizu. Rassmotreny sluchai konvektsii vo vrashchayushchemsya gorizontal"nom sloe, v zamknutykh tsilindricheskoy i kubicheskoy polostyakh v shirokom diapazone chisel Releya i dlya razlichnykh znacheniy chisla Prandtlya. Analiziruyutsya spetsificheskie cherty turbulentnoy konvektsii - evolyutsiya termikov i global"naya tsirkulyatsiya zhidkosti. Rassmatrivayutsya rezul"taty chislennogo modelirovaniya turbulentnoy konvektsii rasplava kremniya v emkosti s geometriey, tipichnoy dlya tigley metoda Chokhral"skogo pri chislakh Releya, kharakterizuyushchikh real"nye usloviya rosta.