Relative velocity factor advances internal tee erosion prediction

08/04/2014
Nan Lin Hui-qing Lan Yu-Gong Xu Beijing Jiaotong University China Ren-yang He China Special Equipment Inspection and Research Institute Beijing Development of a relative velocity factor comparing inlet flow rates of gas pipeline tees can predict the maximum erosion position inside the tee. A simulation model combining the k-ε turbulent and Lagrange discrete phase models allows analysis of the maximum erosion of tees based on path line, pressure, turbulent intensity, and relative tangential velocity in the tee. Results of the simulation are similar to those found in a failed tee in China's Dina gas field. Particular gas sources and erosion can result in solid particles (dust) in gas ...
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