已入深夜,您辛苦了!由于当前在线用户较少,发布求助请尽量完整地填写文献信息,科研通机器人24小时在线,伴您度过漫漫科研夜!祝你早点完成任务,早点休息,好梦!

Experimental and Numerical Study to Investigate Dynamic Capillary Pressure Effect in Two-Phase Flow in Porous Media

多孔介质 饱和(图论) 毛细管压力 毛细管作用 渗吸 机械 材料科学 岩土工程 多孔性 同种类的 流量(数学) 两相流 地质学 热力学 复合材料 数学 物理 植物 生物 发芽 组合数学
作者
S. Bottero,Majid Hassanizadeh
出处
期刊:XVI International Conference on Computational Methods in Water Resources (CMWR-XVI) 被引量:6
标识
DOI:10.4122/1.1000000210
摘要

Experimental and Numerical Study to Investigate Dynamic Capillary Pressure Effect in Two-Phase Flow in Porous Media Simona Bottero, Majid Hassanizadeh Department of Earth Sciences, Utrecht University, P.O.Box 80021, 3508 TA Utrecht, The Netherlands It is known from literature that traditional equations describing two-phase flow processes in porous media may be inadequate in case of non-equilibrium or dynamic condition. In the latest theory an additional dynamic term is proposed such that capillary pressure may depends on both the rate of change of saturation in time and on saturation. In this work we investigate the dynamic effects on capillary pressure-saturation relationship in a homogeneous porous medium. A series of laboratory experiments are performed using water and Tetrachloroetylene (PCE). The experiments consist of a continuous cycle of drainage and imbibition where boundary pressures of 20, 30, 40 kPa are applied. Homogeneous sand is uniformly distributed in a column of 10 cm diameter and 22 cm high. Initially the sand is fully water saturated. A large pressure is then applied at the bottom of the column. As the pressure of PCE is much higher than the entry pressure of the porous media, PCE flows vertically upward in the sand replacing water. The water replaced by PCE and the PCE that flows out of the sample during the experiment are collected in an overflow reservoir. The cumulative flow of both phases is measured throughout the experiment. Pressure of both water and PCE phases and water saturation are monitored locally inside the sand sample at three different depths by means of six pore pressure transducers (PPT) and three tetra probe’s (TP) respectively. Beside laboratory experiments a series of numerical experiments are performed. In one set of experiments the traditional flow equations for two-phase flow are used. In another set of experiments the effect of the additional dynamic term are studied. Measured and simulated capillary pressure-saturation curves are compared and discussed in this presentation.

科研通智能强力驱动
Strongly Powered by AbleSci AI
更新
PDF的下载单位、IP信息已删除 (2025-6-4)

科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
2秒前
头头啊头头啊完成签到,获得积分10
2秒前
Notdodead应助畅通无阻采纳,获得10
2秒前
至秦发布了新的文献求助30
2秒前
张兔子发布了新的文献求助10
4秒前
科研通AI2S应助132采纳,获得30
5秒前
wimper发布了新的文献求助10
8秒前
wimper完成签到,获得积分10
13秒前
13秒前
15秒前
小药同学发布了新的文献求助10
16秒前
17秒前
Pu Chunyi发布了新的文献求助10
20秒前
漂亮白枫发布了新的文献求助10
20秒前
程程发布了新的文献求助10
22秒前
25秒前
25秒前
刺闰土的猹完成签到,获得积分10
25秒前
星辰大海应助漂亮白枫采纳,获得10
26秒前
学术圈边缘派遣员完成签到,获得积分10
26秒前
27秒前
28秒前
小肉包发布了新的文献求助10
31秒前
31秒前
31秒前
33秒前
33秒前
过时的毛豆完成签到,获得积分10
34秒前
J.发布了新的文献求助10
35秒前
程程完成签到,获得积分10
36秒前
SciGPT应助Xangel采纳,获得10
36秒前
Tewd完成签到,获得积分10
37秒前
领导范儿应助pokexuejiao采纳,获得20
39秒前
Tewd发布了新的文献求助10
40秒前
43秒前
lili完成签到 ,获得积分10
44秒前
郑总完成签到 ,获得积分10
47秒前
47秒前
科研通AI2S应助Tewd采纳,获得10
48秒前
48秒前
高分求助中
A new approach to the extrapolation of accelerated life test data 1000
ACSM’s Guidelines for Exercise Testing and Prescription, 12th edition 500
‘Unruly’ Children: Historical Fieldnotes and Learning Morality in a Taiwan Village (New Departures in Anthropology) 400
Indomethacinのヒトにおける経皮吸収 400
Phylogenetic study of the order Polydesmida (Myriapoda: Diplopoda) 370
基于可调谐半导体激光吸收光谱技术泄漏气体检测系统的研究 350
Robot-supported joining of reinforcement textiles with one-sided sewing heads 320
热门求助领域 (近24小时)
化学 材料科学 医学 生物 工程类 有机化学 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 遗传学 基因 物理化学 催化作用 冶金 细胞生物学 免疫学
热门帖子
关注 科研通微信公众号,转发送积分 3989811
求助须知:如何正确求助?哪些是违规求助? 3531927
关于积分的说明 11255560
捐赠科研通 3270706
什么是DOI,文献DOI怎么找? 1805035
邀请新用户注册赠送积分活动 882181
科研通“疑难数据库(出版商)”最低求助积分说明 809190