含水层构造对抽灌水温变特性的影响

吉林大学学报(工学版) ›› 2013, Vol. 43 ›› Issue (01): 56-61.

含水层构造对抽灌水温变特性的影响

周学志^1,2, 高青^1,2, 于鸣³, 赵晓文², 朱天奎²

1. 吉林大学汽车仿真与控制国家重点实验室, 长春 130022;
2. 吉林大学热能工程系, 长春 130022;
3. 吉林大学材料科学与工程学院, 长春 130022

收稿日期:2012-09-11 出版日期:2013-01-01 发布日期:2013-01-01
通讯作者: 高青(1961-),男,教授,博士生导师.研究方向:能源利用及其高效传热.E-mail:gaoqing@jlu.edu.cn E-mail:gaoqing@jlu.edu.cn
作者简介:周学志(1982-),男,博士研究生.研究方向:地能利用及地下传热.E-mail:cff_zxz@163.com
基金资助:
国家自然科学基金项目(51076059).

Effect of aquifer structure on water temperature evolution in field of pumping and injecting wells

ZHOU Xue-zhi^1,2, GAO Qing^1,2, YU Ming³, ZHAO Xiao-wen², ZHU Tian-kui²

1. State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China;
2. Department of Thermal Engineering, Jilin University, Changchun 130022, China;
3. School of Materials Science and Engineering, Jilin University, Changchun 130022, China

Received:2012-09-11 Online:2013-01-01 Published:2013-01-01

摘要/Abstract

摘要： 针对不同含水层构造抽灌井群地下温度场的演化规律进行实验研究,分析相同井群抽灌量和几何参数条件下,不同含水层介质的热湿运移规律及热交互影响。研究表明:含水层岩性的变化对井场热贯通时间的影响较大,对后期的热交互影响相对略小。粒块体结构较大的砂砾含水层,其井场热贯通时间明显缩短。含水层介质的分布状态对热交互影响较大,对热贯通时间的影响有大有小。对于均匀分布含水介质,各井抽灌量应尽量均匀分配,推迟热贯通发生和减弱热交互影响。对于非均匀分布含水介质,采用各井配置流量调整,可改善热湿均衡性,避免非均匀含水介质的不利影响。

关键词: 热能工程, 地下水源热泵, 含水层构造, 温变特性, 抽灌井群

Abstract: The evolution of underground temperature field of the pumping and injecting wells area with different aquifer structures was investigated experimentally. The transport behavior of the thermal-wet of different aquifer media and their thermal interaction were analyzed under same total water flow rate and well geometric parameters. The experimental results showed that the effect of aquifer rockyness variation on the occurrence time of the thermal breakthrough is significant while relatively small on the later thermal interaction. For the aquifer with larger size of gravel, the thermal breakthrough advances significantly. The effect of aquifer distribution on the thermal breakthrough is less than thermal interaction. For the homogeneous aquifer medium, the water flow rate of each well should be evenly distributed to postpone the thermal breakthrough and weaker the thermal interaction. For the inhomogeneous aquifer medium, each well should have individual flow adjustment to improve the thermal-wet balance and avoid the adverse influence of aquifer in homogeneity.

Key words: thermal energy engineering, underground source heat pump, aquifer structure, temperature evolution, pumping and injecting wells field

中图分类号:

TK529

周学志, 高青, 于鸣, 赵晓文, 朱天奎. 含水层构造对抽灌水温变特性的影响[J]. 吉林大学学报(工学版), 2013, 43(01): 56-61.

ZHOU Xue-zhi, GAO Qing, YU Ming, ZHAO Xiao-wen, ZHU Tian-kui. Effect of aquifer structure on water temperature evolution in field of pumping and injecting wells[J]. 吉林大学学报(工学版), 2013, 43(01): 56-61.

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