gaz turbina qurilmalariga doir masalalar yechish
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gaz turbina qurilmalariga doir masalalar yechish gaz turbinasi pog’onasida amalga oshadigan ish jarayonining xarakteristikalari. turbina pog’onasida ko’zda tutilgan issiqlik tushishi (kj/kg) quyidagi formuladan aniqlanadi: bu yerda: k – adiabata ko’rsatkichi; r – 1 kg gaz uchun gaz doimiysi, j/(kgk); p0 va t0 – boshlang’ich tezligi hisobga olingan gazning turbina pog’onalari oldidagi boshlang’ich parametrlari [bosim (pa) va absolyut harorat (k)]; p2 – turbina pog’onasidan keyingi gaz bosimi, pa. soplodan oqib o’tayotgan bug’ning haqiqiy tezligi (m/s): bu yerda: = 0,93 ÷ 0,98 – soploning tezlik koeffitsiyenti; p2 = p1 – turbina pog’onasidan keyingi gaz bosimi, pa; – turbina pog’onasining reaktivlik darajasi. turbina pog‘onasining reaktivlik darajasi deb ishchi kuraklaridagi ko‘zda tutilgan ...
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