✍ Scribed by H. Kjørholt; E. Broch
No coin nor oath required. For personal study only.
In Norway, high-pressure air is stored in ten unlined rock caverns, called air cushion surge chambers. These surge chambers are characterized by pressures up to 7. 7 MPa and volumes up to 11 O, 000 ms. This paper describes the successful use of water curtains to prevent air leakage from three such caverns, even when the storage pressure head is twice the thickness of the overburden.
Rdsumd--En Norrege, de l' air sous haute pression est stocl~ dans dix eavernes non rev@mes, appeldes chambres de comptmsation par ooussin d~ir. Cesehambresdeva~nsecaractl~risentpardespressions peavant atteindre 7, T MPa et des volume allant jusqu '~110,OOO m3. Le texte d~vrit les bons rg.sultats obt~mus avec rutilisation de ridemvc d'eau pour dviter les fuites d~ir darts trois de ces vavernes, trine loreque la diffdrenee de pression de oekage atteint le double de la couverture.
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