Isithiyo se-hydrodynamic othomathikhi senziwe ngezingxenye ezintathu: Uhlaka lomhlaba, iphaneli ejikelezayo kanye nengxenye yodonga oluseceleni, olungafakwa ngokushesha emnyango nasekuphumeni kwezakhiwo ezingaphansi komhlaba. Amamojula aseduze ahlukaniswe kalula, futhi amapuleti enjoloba aguquguqukayo ezinhlangothini zombili ezisebenza ngempumelelo bese uxhuma iphaneli yezikhukhula ngodonga.


