Realistic simulation of an aquifer thermal energy storage: Effects of injection temperature, well placement and groundwater flow
Realistic simulation of an aquifer thermal energy storage: Effects of injection temperature, well placement and groundwater flow
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DOI：
10.1016/j.energy.2014.09.018
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发表时间：
2014-11
期刊：
影响因子：
9
通讯作者：
A. Yapparova;S. Matthäi;T. Driesner
中科院分区：
文献类型：
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作者：
A. Yapparova;S. Matthäi;T. Driesner
优化ATES的行为为了评估其效率并确定最佳井位置，使用FE-FV模拟了计划的安装（有限元-有限体积）模拟器与现实的水的属性，基于CSMP++创建（复杂系统建模平台）模拟结果表明，储层效率随注采威尔斯井距的增大而增大，随注入温度的升高而减小。结果还支持存储设计，其中存储威尔斯被放置在墙壁附近。地下水流不会显著影响存储效率，证明双层混凝土墙作为一个足够的隔热体。模拟了具有最佳井位置的ATES的整个操作周期：120天的热水注入（充电），60天的生产（放电）。预测的能量和火用效率分别为35.6%和27.4%。在热水生产的前60天，该储存器提供300千瓦至120千瓦的热能。
To optimize the behaviour of an ATES (aquifer thermal energy storage), to estimate its efficiency and to identify the optimal well locations, the planned installation was simulated with a FE-FV (finite element-finite volume) simulator with realistic water properties, created on the basis of the CSMP++ (Complex Systems Modelling Platform) software library.Simulation results show that storage efficiency increases with the distance between injection and production wells and decreases with increasing injection temperature. Results also support a storage design where the storage wells are placed near the walls. Groundwater flow does not affect storage efficiency significantly, proving that the double concrete walls act as a sufficient thermal insulator.The full operation cycle of an ATES with an optimal well placement was simulated: 120 days of hot water injection (charging), 60 days of production (discharging). The predicted energy and exergy efficiency are 35.6% and 27.4%, respectively. The storage supplies between ∼300 kW and ∼120 kW of thermal energy the first 60 days of hot water production.