Parameters | Unit | Value |
Ambient temperature | K | 298 |
Ambient pressure | Pa | 101,330 |
Volume of storage vessel | m3 | 40 |
Adiabatic index | - | 1.4 |
Gas constant | J∙kg−1∙K−1 | 287 |
Constant pressure specific heat of air | J∙kg−1∙K−1 | 1004.5 |
Specific heat of water | J∙kg−1∙K−1 | 4200 |
Density of water | kg∙m−3 | 1000 |
Efficiency of water pump | % | 88 |
Efficiency of hydroturbine | % | 90 |
Design efficiency of compressor | % | 88 |
Preset pressure | Pa | 3,000,000 |
Terminal pressure in the high pressure vessel | Pa | 4,000,000 |