Study on the Water Hammer Wave Speed in Field Petroleum Pipeline

In this paper, the influence of wave speed of water hammer on the field petroleum pipeline connected with the coupling method is studied. The experimental study on the variation laws of rubber's modulus with pressure is carried out when its deformation is constricted in one direction. The average computational method is deduced to calculate the wave speed, and the formula indicates that the wave speed in field petroleum pipeline increases with the pipe's inner pressure.