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          水平管中氣液兩相旋流的流型和壓降

          release time:2020-05-14  viewed:3464次
           氣液兩相流可以增加氣液兩相的接觸面積,提高氣液之間的傳熱傳質(zhì)效率。旋流對促進(jìn)天然氣水合物的形成和確保天然氣水合物漿液的流動(dòng)安全具有重要的實(shí)際應用價(jià)值。實(shí)驗部分由有機玻璃管制成,實(shí)驗介質(zhì)為空氣和水。根據高清攝像機和氣液界面的整體特征,將水平管中氣液兩相渦旋流的流動(dòng)方式進(jìn)行了劃分。研究了水平管中氣液兩相回旋流的流型圖。研究了流速和葉片參數對壓降的影響。建立了兩種氣液兩相旋流的壓降模型。均相和分裂相壓降模型對旋流氣泡流,旋流分散流,旋流環(huán)形流和旋流分層流具有良好的預測,預測誤差帶不大于20%。
          氣液兩相流

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