The one large glass bead was placed in a vibrated bed and the rising velocity of the one was measured to characterize the convection strength.

 
  • 實(shí)驗方法是藉由改變液體黏度及含量來(lái)觀(guān)察一大顆粒體于小顆粒床內隨時(shí)間上升之過(guò)程,利用大粒子上升速度及邊壁粒子下降速度來(lái)表示顆粒振動(dòng)床中迴流運動(dòng)的強弱大小。
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