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Systems and methods for efficient two-phase heat transfer in compressed-air energy storage systems

  • US 8,539,763 B2
  • Filed: 01/31/2013
  • Issued: 09/24/2013
  • Est. Priority Date: 05/17/2011
  • Status: Expired due to Fees
First Claim
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1. A method of recovering energy, the method comprising:

  • transferring a first foam to a first cylinder assembly, the first foam having a first foam expansion ratio;

    expanding the first foam in the first cylinder assembly, thereby recovering energy therefrom;

    thereafter, transferring a second foam to a second cylinder assembly different from the first cylinder assembly, the second foam having a second foam expansion ratio larger than the first foam expansion ratio; and

    expanding the second foam in the second cylinder assembly, thereby recovering energy therefrom.

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