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SHAMOLLATISH TARMOQLARINI MODELLASHTIRISHDA GERMETIK BO‘LMAGAN KON LAHIMLARIDA AERODINAMIK KO‘RSATKICHLARNI EKSPERIMENTAL TADQIQ QILISH

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MAQOLA ANNOTATSIYASI

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Maqolada kon lahimlari va tajriba qurilmalarida o‘tkazilgan eksperimental tadqiqotlarda shamollatish tarmoqlaridagi germetik bo‘lmagan kon lahimlariga berilayotgan havo oqimini yo‘naltirish va boshqarish, havo miqdorining germetik bo‘lmagan konlarda lahimlar uzunligi, ular o‘rtasidagi bog‘lanish holati, tashqi va ichki havo yo‘qotishlari, aerodinamik qarshiliklar qiymatlarini aniqlash hamda aerodinamik qarshiliklarni kamaytirish masalalari ko‘rib chiqilgan. Tadqiqot ishi laboratoriya sharoitida ishlab chiqilgan aerodinamik quvurli stend va tabiiy sharoitda Zarmitan koni lahimlari topologiyasiga mos ravishda ishlab chiqilgan fizik modelda o‘tkazilgan. Konda havo oqimining yo‘qotilishi kon lahimlarining germetiklik darajasi, lahimlarning germetiklik darajasi esa lahimlarda havo harakatlanishi jarayonida yuzaga keladigan aerodinamik qarshilik qiymatlariga bog‘liq. Aerodinamik qarshilik qiymatlari, o‘z navbatida, aerodinamik qarshilik koeffitsiyentlari va ishqalanish koeffitsiyentlari ham lahimning nogermetiklik darajasi hamda Reynolds soniga bog‘liq holda o‘zgaradi. Tadqiqot davomida kon lahimlarining bir-biri bilan bog‘langan nuqtalarida ichki va tashqi havo yo‘qotilishlari aniqlangan. Ushbu yo‘qotilishlarning oldini olish uchun havo oqimini boshqarish va yo‘naltirishning turli usullarini qo‘llash zarurligi o‘lchovlar va tahlillar orqali isbotlangan. Shuningdek, maqolada murakkab shamollatish tizimlariga ega, germetik bo‘lmagan kon lahimlarining shamollatish samaradorligini oshirish uchun kon lahimlarining germetiklash usullari va germetiklash vositalari yordamida aerodinamik ko‘rsatkichlar o‘zgarishi natijalari keltirilgan. Konlarda shamollatish tizimlari elementlarida havo harakatida kon lahimlarining aerodinamik qarshiligi, mahalliy qarshiliklar va ayniqsa, shamollatish tarmog‘ining germetik bo‘lmagan uchastkalari aerodinamik ko‘rsatkichlarni doimiy ravishda o‘lchab borishni talab etadi. Shaxtalarda shamollatish tizimidagi aerodinamik masalalarni hal qilish uchun konlarda shamollatishni yaxshilash bo‘yicha ishlab chiqilgan kompleks yondashuvlardan keng foydalanish tavsiya etilgan.

MUALIFLAR

Teglar

# моделирование# modeling# депрессия# depression# горная выработка# modellashtirish# вентиляция# ventilation# barriers# pipes# turbulence# air flow# турбулентность# схема вентиляции# аэродинамическое сопротивление# aerodynamic resistance# depressiya# shamollatish# shamollatish sxemasi# havo oqimi# aerodinamik qarshilik# havo tezligi# shaxta stvoli# kon lahimi# lahimlar topologiyasi# shamollatish tarmog‘i# вентиляционная сеть# mine shaft# ventilation network# to‘siqlar# mine solder# turbulentlik# aerodinamik qarshilik# salbiy germetiklik# ijobiy germetiklik# aerodinamik ko‘rsatkichlar# ventilyatorlar# shamollatish eshiklari# quvurlar# havo kanali# nogermetiklik koeffitsiyenti# ствол шахты# топология выработки# воздушный поток# воздушная скорость# отрицательная герметичность# положительная герметичность# аэродинамические характеристики# вентиляторы# завеса# вентиляционные ворота# трубы# воздуховод# коэффициент негерметичности# topology of solders# ventilation scheme# air velocity# negative hermeticity# positive hermeticity# aerodynamic indicators# fans# doors# air channel# leakage coefficient

Maqolani baholang

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Maqola idintifikatorlari

Foydalanilgan adabiyotlar

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