Numerical Simulation of Density-Driven Flow and Heat Transport Processes in Porous Media Using the Network Method

被引：11

作者：

Canovas, Manuel ^{[1
]}

Alhama, Ivan ^{[2
]}

Garcia, Gonzalo ^{[2
]}

Trigueros, Emilio ^{[3
]}

Alhama, Francisco ^{[4
]}

机构：

[1] Univ Catolica Norte, Met & Min Engn Dept, Avda Angamos, Antofagasta 0610, Chile

[2] Univ Politecn Cartagena, Dept Civil Engn, Paseo Alfonso 13,52, Cartagena 30203, Spain

[3] Univ Politecn Cartagena, Min Geol & Cartog Engn Dept, Paseo Alfonso 13,52, Cartagena 30203, Spain

[4] Univ Politecn Cartagena, Dept Appl Phys, Paseo Alfonso 13,52, Cartagena 30203, Spain

来源：

ENERGIES | 2017年 / 10卷 / 09期

关键词：

density driven flow; porous media; streamfunction formulation; network method; natural convection; NATURAL-CONVECTION;

D O I：

10.3390/en10091359

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Density-driven flow and heat transport processes in 2-D porous media scenarios are governed by coupled, non-linear, partial differential equations that normally have to be solved numerically. In the present work, a model based on the network method simulation is designed and applied to simulate these processes, providing steady state patterns that demonstrate its computational power and reliability. The design is relatively simple and needs very few rules. Two applications in which heat is transported by natural convection in confined and saturated media are studied: slender boxes heated from below (a kind of Benard problem) and partially heated horizontal plates in rectangular domains (the Elder problem). The streamfunction and temperature patterns show that the results are coherent with those of other authors: steady state patterns and heat transfer depend both on the Rayleigh number and on the characteristic Darcy velocity derived from the values of the hydrological, thermal and geometrical parameters of the problems.

引用

页数：15