Effect of quadratic pressure gradient term on a one-dimensional moving boundary problem based on mod

• 作 者: Wenchao Liu Jun Yao Zhangxin C
• 机 构: InstituteofMechanics,SchoolofPetroleumEngineering,DepartmentofChemicalandPetroleumEngineering
• 出 处: 力学学报：英文版
• 发表日期: 2016年1期
• 关键词: Quadratic pressure gradient term Threshold pressure gradient Porous media Numeri
• 基金项目: funding by the project (Grant 51404232) sponsored by the National Natural Science Foundation of China,the National Science and Technology Major Project (Grant 2011ZX05038003),the China Postdoctoral Sc

A relatively high formation pressure gradient can exist in seepage flow in low-permeable porous media with a threshold pressure gradient, and a significant error may then be caused in the model computation by neglecting the quadratic pressure gradient ter