Shamol tezligi nisbatan past bo‘lgan hududlar uchun ikki rotorli qarama-qarshi aylanadigan shamol turbinalarini hisoblash (Jizzax hududi misolida)
Keywords:
shamol turbinasi, qarama-qarshi aylanish, ikki rotorli tizim, past shamol tezligi, Veybull taqsimoti, quvvat koeffitsiyenti, Jizzax viloyati.Abstract
Maqolada o‘rtacha yillik shamol tezligi 5 m/s dan oshmaydigan hududlar, xususan Jizzax viloyati sharoitlari uchun ikki rotorli qarama-qarshi aylanadigan gorizontal o‘qli shamol turbinasi (QAIR-ShT) aerodinamik hisobining muhandislik usuli taklif etilgan. Usul bir o‘lchamli oqim nazariyasi, Veybull taqsimoti va rotorlararo iz (wake) ta’sirini hisobga oluvchi empirik tuzatish koeffitsiyentiga asoslangan. Rotor diametrlari 12 va 11 m, hisobiy tezlik koeffitsiyenti 8, tayanch balandligi 40 m bo‘lgan turbina uchun hisob bajarildi. Natijalarga ko‘ra, tayanch balandligidagi o‘rtacha tezlik 4,9 m/s bo‘lganda ikki rotorli sxema xuddi shunday oldingi rotorli bir rotorli turbinaga nisbatan yillik energiya ishlab chiqarishni taxminan 8,6 % ga, quvvat egri chizig‘ining nominalgacha bo‘lgan qismida esa 11,7 % ga oshiradi. Shamol tezligi ortishi bilan nisbiy samara kamayadi (6,5 m/s da 5,8 %). Maqola natijalaridan Jizzax viloyatining Do‘stlik, Mirzacho‘l va Sh. Rashidov tumanlarida kichik va o‘rta quvvatli avtonom qurilmalarni loyihalashda foydalanish mumkin.
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