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Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Das Verdünnungsverfahren zur Bestimmung der durchlässigkeiten Poröser Medien grosser Körnung.
Catena 2, 153-160 (1975)
The point-dilution method can be used for the determination of some hydraulic parameters of porous media with large granulation. According to the point-dilution method the permeability of the porous medium is indirectly determined in a special measuring arrangement (i. a. a complete model well is set up with the porous medium to be examined as so-called concentric three-layer arrangement) by means of the determination of the horizontal distortion of the flow field. In particular the permeabilities of coarse porous media (permeabilities k > 10 cm/sec.), indirectly the smallest differences in pressure (Δ h < 0.1 mm) and the upper validity limit of Darcy's law of the examined porous medium can be determined with the method set forth. The new method is in particular suited for the exact determination of filter gravel with a granulation of more than 5 mm, since, contrary to the customary methods, it is always worked in the laminar flow region.
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
ISSN (print) / ISBN
0341-8162
e-ISSN
1872-6887
Zeitschrift
CATENA
Quellenangaben
Band: 2,
Heft: C,
Seiten: 153-160
Verlag
Elsevier
Begutachtungsstatus
Peer reviewed
Institut(e)
Institut für Radiohydrometrie