Question: Derive an expression for the electric energy generation per unit of air volume stored in a cavity for a CAES system. Assume that there are

Derive an expression for the electric energy generation per unit of air volume stored in a cavity for a CAES system. Assume that there are two expansion stages and express the work output as the sum of the output from the two stages. The system operates with a constant cavern pressure, such as a hard rock cavern with a hydraulic compensation.

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