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Characterization of Hydro-Mechanical Behavior of Compressed Air Energy Storage Systems

机译：压缩空气储能系统的流体力学行为表征

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摘要

The goal of energy independence requires a re-evaluation of conventional sources of energy and energy storages. Compressed air energy storages (CAES) are a favorable and low-cost option for balancing off-peak electricity demands. Here, a large volume of air is compressed and stored in the ground during low-demand electricity periods. This pressurized air can then be released to generate electricity during high-demand times. This publication presents the analysis of a CAES project in an aquifer, in Iowa, U.S. using a coupled hydro-mechanical framework able to consider the main physical phenomena that control the behavior of this kind of system. Numerical simulations of the behavior of the host rock were performed during both the initialization phase as well as the operational phase. The impact of porosity heterogeneities on system performance was also examined.
机译：能源独立性的目标要求对常规能源和储能进行重新评估。压缩空气储能（CAES）是平衡非高峰用电需求的有利且低成本的选择。在这里，大量的空气在电力需求较低的时期被压缩并存储在地下。然后可以在需要时释放此压缩空气以发电。该出版物介绍了在美国爱荷华州含水层中CAES项目的分析，该研究使用了耦合的水力力学框架，该框架能够考虑控制此类系统行为的主要物理现象。在初始化阶段和操作阶段都进行了基岩行为的数值模拟。还检查了孔隙异质性对系统性能的影响。

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