Hydromechanics Research with Influence of Pipe Shape on Water Hammer Based on CFX

Abstract:

One common and prominent reason for the tube explosion issue of pipe network is the water hammer. Because the pressure levels caused by water hammer are far exceeding the pressure range of the pipe limit. Since a great loss has been caused by water hammer damage, an important influence factor (shape of pipe) on the phenomena associated with water hammer have been performed by using the platform of numerical simulation software CFX. Analysis of the results show that the vortex and reflux phenomena appear in elbow pipe, different shape of pipe will lead to various flow regime. The pressure caused by shape is slight and can be negligible compared to the normal pressure. But it does has influence on period, 90-degree elbow will reduce 0.01s in period.

• Periodical: Advanced Materials Research (Volume 1014)
• Pages: 151-156
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1014.151
• Online since: July 2014
• Authors: Qing Zheng Meng, Cheng Yang, Li Sheng Liu*, Zhen Wang
• Keywords: CFX, Pipe Network, Shape of Pipe, Water Hammer

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