The torque characteristics of a two-screw multiphase pump were investigated.The fluids conveyed by the pump are air and liquids with different viscosities.

• 以空气及不同粘度的水和油为多相介质,在自建的试验装置上,做了双螺杆多相泵输送气液混合流体时转矩特性的试验研究。