ЕЛДІ МЕКЕНДЕРДІҢ ЭКОЛОГИЯЛЫҚ ЖАҒДАЙЫН БОЛЖАУ МАҚСАТЫНДА ЖЕЛ АҒЫНЫН ЖӘНЕ ЛАСТАУШЫ ЗАТТАРДЫҢ ТАСЫМАЛДАНУЫН МАТЕМАТИКАЛЫҚ МОДЕЛЬДЕУ

Бұл зерттеу көліктердің шығарындылары әсерінен Қазақстан, Алматы қаласында ластаушы заттардың турбулентті дисперсиясын талдауға бағытталған. Қоршаған ортаның және ғимараттың ластаушы заттардың, бұл жағдайда этиленнің концентрациясының дисперсиясына әсері зерттелді. Қаладағы бар көшені дәл сипаттау үшін үш өлшемді макет салынды. Турбулентті ауа ағыны мен концентрациясы қуыстағы конвекцияның математикалық моделі арқылы зерттелді және SST k-omega әдісімен шешілді. Жылдамдық-концентрация қатынасын шешу үшін SIMPLE алгоритмі қолданылды. Алынған нәтижелер мен белгілі сынақ деректерін салыстыру кезінде анықталған нәтижелердің ұқсастығы қолданылатын әдістер мен алгоритмдердің дұрыстығын көрсетті. Қорытындылай келе, ластаушы заттардың таралу нәтижелері әртүрлі биіктіктегі бөгет болған жағдайда талданды: 1м, 2м және 3м. Нәтижелер тосқауылдың болуы ластаушы заттардың сақталуына оң әсер ететінін көрсетеді. Сондай-ақ бұл кедергілердің биіктігі маңызды рөл атқарады, сондықтан жоспарлау және салу модельдеу нәтижелеріне және берілген аумақтың ерекшеліктеріне негізделуі керек. Бұл барлық жағдайлар үшін бір және бір уақыттағы концентрация мөлшерінің айтарлықтай айырмашылығымен дәлелденеді.

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