Compressed Air Storage Calculations

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Calculations for a 1kWhr System

Calculator

See https://www.tribology-abc.com/abc/thermodynamics.htm

According to the calculator, a 50 l tank of air at 3000 psi will release about 0.5kWhr via adiabatic expansion, and 2.5x this with isothermal expansion.

Cylinder Sourcing

  • Firefighter supply - 300 cf $300 [1]
  • 250 cf - $285 [2]
  • 250 cf = $330 [3] K size?
  • T-size 300 cf - [4]
  • T goes up to 390 cf - [5]

Compressor

  • Scuba compressor - $243, 1800W - [6]

Links