Journal of Porous Media
Publicou 12 edições por ano
ISSN Imprimir: 1091-028X
ISSN On-line: 1934-0508
IF:
2.3
5-Year IF:
1.7
Immediacy Index:
1
Eigenfactor:
0.00067
JCI:
0.47
SJR:
0.282
SNIP:
0.632
CiteScore™::
3
H-Index:
42
Indexed in
CONDITION FOR NEGLECTING UPSTREAM CONDITIONS WHEN SIMULATING FLOW IN GRANULAR BEDS
Volume 14,
Edição 10, 2011,
pp. 943-949
DOI: 10.1615/JPorMedia.v14.i10.90
RESUMO
One of the most frequent assumptions concerning fluid flow into porous tanks consists in neglecting the influence of upstream conditions on the flow inside the porous bed. The present study establishes the conditions when this assumption is valid. We determine the longitudinal distance into the porous bed after which the flow becomes uniform regardless of the velocity field upstream of the porous bed. We evaluate this distance of homogenization as a function of different parameters: tank fluid inlet velocity, entrance length of the tank, and Reynolds and Darcy numbers.
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