基于CFX的输水管道水锤现象的数值研究

Water hammer in pipeline engineering is a kind of important physical phenomenon. Pressure caused by water hammer can often achieve pipeline working pressure of dozens of times, even more.If the phenomenon isn't forecasted in time or is handled reasonably ,it will lead to pipe vibration, deformation, even burst. The paper calculated the water hammer pressure caused by sudden valve closes and makes a comparison between calculated value from CFX numerical simulation and measured data and Pipenet calculated values .The results display that Calculated results of the peak pressure and wave period can be a very good match with the experimental results and the theoretical value, it demonstrated that CFX software can well simulate the water hammer phenomenon based on physiccal model and solution strategy in this article.