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Performance Evaluation of Static and Dynamic Compressed Air Reservoirs for Energy Storage

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  • Alfred Rufer

    (EPFL, Ecole Polytechnique Fédérale de Lausanne, Dept. STI-DO, Station 11, CH 1015 Lausanne, Switzerland)

Abstract

The concept of static and dynamic reservoirs is presented, and their performances are evaluated. The static reservoir is a simple reservoir with constant volume, and the dynamic one has a volume which varies as a function of the position of an internal piston coupled to a spring. The spring is compressed when the pressure in the chamber rises and exerts a proportional force on it. The two reservoirs are components to be used in compressed air energy storage systems. The study comprises a model of the compression machine as well as models of the two reservoirs. The filling processes are simulated, and the different variables are represented as a function of time. A reduced scale experimentation set-up is presented, and its behavior is first simulated. Then. the results are compared to the experimental records.

Suggested Citation

  • Alfred Rufer, 2025. "Performance Evaluation of Static and Dynamic Compressed Air Reservoirs for Energy Storage," Energies, MDPI, vol. 18(14), pages 1-17, July.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:14:p:3666-:d:1699283
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