Research Article
The Fracture Influence on the Energy Loss of Compressed Air Energy Storage in Hard Rock
Table 3
Efficiency comparison under different conditions in the 20th day.
| | The 20th day | Input energy (MJ) | Output energy (MJ) | Energy loss (MJ) | Efficiency |
| | Intact rock | Mass control | 189.10 | 182.65 | 6.45 | 96.59% | | Air supplement control | 195.25 | 183.26 | 11.99 | 93.86% |
| | Rock with single crack | Mass control | 189.10 | 180.31 | 8.79 | 95.35% | | Air supplement control | 195.25 | 182.96 | 12.29 | 93.71% |
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