A new technology uses shape-memory metals that heat up when stretched and cool down when released. This cooling effect would make refrigerators and air conditioners much more efficient.

A new technology (developed in Germany and Europe) uses shape-memory metals that heat up when stretched and cool down when released. This cooling effect would make refrigerators and air conditioners much more efficient.

  • BananaTrifleViolin@piefed.worldEnglish
    4·
    3 days ago

    I wonder if the claims are overblown or just poorly reported by DW? A company in Ireland is also working on this technology and has a system using shape memory alloys: https://www.cibsejournal.com/technical/taking-shape-shape-memory-alloys-in-air-conditioning/

    They do not seem to be claiming it is more energy efficient, but rather that the technology has a much lower Global Warming Potential overall than currently used refrigerants.

    It’s possible the DW reported study is missing a key component of this? I.e. it’s not just the solid state materials being used, but how they’re being used that makes the difference?

    • gandalf_der_13te@feddit.orgEnglish
      11·
      3 days ago

      They do not seem to be claiming it is more energy efficient, but rather that the technology has a much lower Global Warming Potential overall than currently used refrigerants.

      if they start being vague like that, i’d be cautious