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增强型地热系统井筒数值模拟研究进展

发表时间:2014-11-30  浏览量:1575  下载量:562
全部作者: 朱家玲,黄小雪,李君
作者单位: 天津大学机械工程学院
摘 要: 综述主要关注增强型地热系统(enhanced geothermal system, EGS)中井筒部分的数值模拟。首先对井筒模型进行分析,按照空间离散方式、井筒换热量计算方式、井筒内流动的数值模拟模型进行分类,并介绍井筒与热储耦合的方式。总结分析表明:一维模型能灵活适应井筒走向,换热影响主要在运行初期,热储与井筒耦合前后差距较大。
关 键 词: 地热能;增强型地热系统;综述;井筒数值模拟;耦合
Title: Research of wellbore numerical simulation in enhanced geothermal system
Author: ZHU Jialing, HUANG Xiaoxue, LI Jun
Organization: School of Mechanical Engineering, Tianjin University
Abstract: This revien focuses on numerical simulation of wellbore in enhanced geothermal system (EGS). Numerical models of wellbores and coupling of reservoir with wellbore in EGS are reviewed. Wellbore models are classified by dimensions, calculation method of wellbore heat transfer, numerical model of wellbore flowing. The reriew analysis show that one-dimensional model can adapt to wellbore direction flexibly, heat transfer mainly works on the initial stage of operation, coupling of reservoir with wellbore has significant differences.
Key words: geothermal energy; enhanced geothermal system; review; wellbore numerical simulation; coupling
发表期数: 2014年11月第22期
引用格式: 朱家玲,黄小雪,李君. 增强型地热系统井筒数值模拟研究进展[J]. 中国科技论文在线精品论文,2014,7(22):2214-2220.
 
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