duct diameter 中文意思是什麼

duct diameter 解釋
風渠直徑
  • duct : n. 1. 管，導管，輸送管；槽，溝，渠道。2. 【無線電】波道；【電學】（電線，電纜等的）管道。
  • diameter : n. 1. 直徑。2. （顯微鏡等的）放大倍數。
  1. The secondary air duct of boilers is a group of large diameter short ducts in parallel connection, having inlet air flow condition with inner positioned resistant pieces

    摘要鍋爐二次風道為有內置阻力件的一組並聯大口徑短通道，其阻力系數嚴重偏小而且風門渦流強烈，從而造成二次風強烈脈動。
  2. The diameter of atomizing gas duct and liquid feedstock duct and their crossing angle are vital elements in the design of two phases atomizing nozzle

    在二相流霧化器的結構設計中，霧化氣輸送器件和液料輸送器件的管徑及其徑向夾角是其設計的關鍵。
  3. Larger changes were measured in the near wall region. the numerical simulating results of the gas - particle two - phase flow in duct show that the velocity difference of the gas and particle in the near - wall region would increase as the diameter of the particle enlarge

    絕熱兩相流的數值模擬結果表明顆粒在壁面的跟隨性隨粒徑的增大而下降，近壁區saffman升力的存在對兩相流動的軸向速度影響不大，但對顆粒的濃度分佈有一定的影響。
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