Search: onr:"swepub:oai:DiVA.org:ltu-66601" >
On compressible and...
On compressible and piezo-viscous flow in thin porous media
-
- Pérez Ràfols, Francesc (author)
- Luleå tekniska universitet,Maskinelement
-
- Wall, Peter (author)
- Luleå tekniska universitet,Matematiska vetenskaper
-
- Almqvist, Andreas (author)
- Luleå tekniska universitet,Maskinelement
-
(creator_code:org_t)
- 2018-01-03
- 2018
- English.
-
In: Proceedings of the Royal Society. Mathematical, Physical and Engineering Sciences. - : The Royal Society Publishing. - 1364-5021 .- 1471-2946. ; 474:2209
- Related links:
-
https://royalsociety...
-
show more...
-
https://urn.kb.se/re...
-
https://doi.org/10.1...
-
show less...
Abstract
Subject headings
Close
- In this paper, we study flow through thin porous media as in, e.g. seals or fractures. It is often useful to know the permeability of such systems. In the context of incompressible and iso-viscous fluids, the permeability is the constant of proportionality relating the total flow through the media to the pressure drop. In this work, we show that it is also relevant to define a constant permeability when compressible and/or piezo-viscous fluids are considered. More precisely, we show that the corresponding nonlinear equation describing the flow of any compressible and piezo-viscous fluid can be transformed into a single linear equation. Indeed, this linear equation is the same as the one describing the flow of an incompressible and iso-viscous fluid. By this transformation, the total flow can be expressed as the product of the permeability and a nonlinear function of pressure, which represents a generalized pressure drop.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Tribologi (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Tribology (hsv//eng)
- NATURVETENSKAP -- Matematik -- Matematisk analys (hsv//swe)
- NATURAL SCIENCES -- Mathematics -- Mathematical Analysis (hsv//eng)
Keyword
- Machine Elements
- Maskinelement
- Matematik
- Mathematics
Publication and Content Type
- ref (subject category)
- art (subject category)
Find in a library
To the university's database