Based on existing fractal and chaotic theory , nonlinear theory was used to anlysis conductance fluctuating signals of oil - water two phase flow in vertical upward flow pipes for 51 % kw 91 % and 10 m3 本文利用非线性理论,在已有的分形和混沌理论基础上,进一步讨论了用信息熵识别油水两相流流态的问题。