✦ LIBER ✦

A note on capillary model of developments for sandstone acidization

✍ Scribed by S.T. Swift; H.S. Fogler

Publisher: Elsevier Science
Year: 1977
Tongue: English
Weight: 414 KB
Volume: 32
Category: Article
ISSN: 0009-2509
DOI: 10.1016/0009-2509(77)80218-2

No coin nor oath required. For personal study only.

✦ Synopsis

If the outlet dmmeter IS less than D,,,, the powder wdl form a stable dome across the outlet If the outlet IS greater than or equal to D,,,, the powder wdl flow through the outlet 4. CONCLUSION The present theory makes It possible to determme approxlmately the stress titnbution m an axrally symmetnc mass flow silo Furthermore the cnhcal outlet dmmeter can be e&mated by usmg eqn (34) Related to shear cell data acquued at Chr Mxhelsen Institute for several different powders [3], It was found that the cnt~cal outlet diameters amved at by the present theory were usually about 2&30% less than when applymg the standard Jemke [2] procedure Thus IS consistent with what was found [ 11 for wedge-shaped hoppers Acknowledgements-The author IS indebted to the Royal Nor-

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