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Table 1 Gas accumulator parameters [17]

From: Design optimization of hydraulic energy storage and conversion system for wave energy converters

Mass of Gas

1.213 kg

Max. Gas Volume

15.271×10−3 m3

Mass of Foam

1.496 kg

Foam Specific Heat

2300 J/kg·K

Friction Loss

4%

Gas Constant

8.31446 J/K/mol

Max. Pressure

21 MPa

Thermal Time Const.

300 s