Single-phase cooperation for energy storage cabinet used in tunnels

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Coupled thermodynamic and thermomechanical modelling for

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FAQs about Single-phase cooperation for energy storage cabinet used in tunnels

Can compressed air energy storage be used in underground mine tunnels?

Compressed air energy storage (CAES) in underground mine tunnels using the technique of lined rock cavern (LRC) provides a promising solution to large-scale energy storage. A coupled thermodynamic and thermomechanical modelling for CAES in mine tunnels was implemented. Thermodynamic analysis of air during CAES operation was carried out.

What is a complex tunnel system?

Complex tunnel system: The underground components can become extremely complex with the powerhouse cavern, waterway tunnels and shafts, drainage galleries, manifolds, surge facilities, and access tunnels. With the powerhouse usually being on the critical path, access tunnels to the powerhouse need to have the quickest access.

Can a 3D simulation be used in underground mine tunnels?

In light of the assumptions outlined in Section 2.1, the coupled thermodynamic and thermomechanical processes for CAES in underground mine tunnels can be effectively approached using a 2D simulation scheme. However, when considering steel reinforcement, a 3D simulation scheme becomes necessary.

Are air temperature and pressure uniform in a CAES tunnel?

Air temperature and pressure (Tg and pg) are uniform within the CAES tunnel, as expressed in Eq. (2). Ignoring the spatial variation of temperature and pressure is commonly adopted in modelling the thermodynamic behaviour for LRCs or gas storage caverns.

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