Air-tight seal detection energy storage device

What is air tightness model of compressed air storage energy caverns?

The air tightness model of compressed air storage energy caverns is then established. In the model, the permeability coefficient and air density of sealing layer vary with air pressure, and the effectiveness of the model is verified by field data in two test caverns.

Why is air tightness important in polymer sealing caverns?

During the operation of compressed air storage energy system, the rapid change of air pressure in a cavern will cause drastic changes in air density and permeability coefficient of sealing layer. To calculate and properly evaluate air tightness of polymer sealing caverns, the air-pressure-related air density and permeability must be considered.

What is compressed air energy storage (CAES)?

Compressed Air Energy Storage (CAES) is a commercial, utility-scale technology that is suitable for providing long-duration energy storage. Underground air storage caverns are an important part of CAES. In this paper, an analytical solution for calculating air leakage and energy loss within underground caverns were proposed.

What is compressed air storage energy cavern?

Finally, a compressed air storage energy cavern is taken as an example to understand the air tightness. The air leakage rate in the caverns is larger than that using air-pressure-independent permeability coefficient and air density, which is constant and small in the previous leakage rate calculation.

Why should energy storage technology be developed?

Therefore, supporting energy storage technology must be developed to smoothen the grid input and improve the consumption level of renewable energy . Compressed air storage energy (CAES) technology uses high-pressure air as a medium to achieve energy storage and release in the power grid.

Do polymeric seals have air tightness and mechanical characteristics?

However，the air tightness and mechanical characteristics of polymeric seals under operational conditions are still unclear. Some problems，such as whether air leakage occurs and how much high pressure air permeates，are unsolved.