【摘 要】
：
为了探讨低渗透岩石非饱和非D arcy的机理,以毛管模型为基础,通过对流体非饱和系列流动状况的运动分析,相应推导得出流体非饱和渗流的毛管模型,从理论上论证在微小尺度孔隙中
【机 构】
：
清华大学水利水电工程系,清华大学水利水电工程系,清华大学水利水电工程系 北京100084,北京100084,北京100084
论文部分内容阅读
为了探讨低渗透岩石非饱和非D arcy的机理,以毛管模型为基础,通过对流体非饱和系列流动状况的运动分析,相应推导得出流体非饱和渗流的毛管模型,从理论上论证在微小尺度孔隙中流体自身的力学特性,以及与固体、气体的相互作用,指出毛管压力与边界层的存在,是导致流体非D arcy渗流现象的一个主要原因。研究这些因素对渗流运动的影响机制,是探索低渗透岩石非D arcy渗流机理的一个重要方向。
In order to investigate the mechanism of unsaturated non-Darcy flow in low-permeability rocks, a capillary model of fluid unsaturated seepage was deduced based on the capillary model and the motion analysis of unsaturated fluid flow series. The mechanical properties of the fluid in the pores, as well as the interactions with solids and gases, and the existence of capillary pressure and boundary layer are the main reasons leading to fluid non-Darcy seepage. Studying the influence mechanism of these factors on the seepage movement is an important direction to explore the non-Darcy seepage mechanism of low permeability rock.
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