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Mathematical models for compressible flow in porous media
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences. Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences.ORCID iD: 0000-0002-5864-4576
2014 (English)In: Proceedings of the 19th International Drying Symposium / [ed] Julien Andrieu, Roman Peczalski, Séverine Vessot, 2014Conference paper (Refereed)
Abstract [en]

Mechanical dewateringcan be accomplished by applying vacuum on one side of the material. In suchapplications, the air flow accompanying dewatering can be substantial and energy-efficient operation requires accurate design and control of the vacuum system. The present study analyses one-dimensional, compressible flow through porous media.Three types of flow are investigated: isothermal, isentropic and adiabatic. The results are presented in terms of relations between dimensionless numbers. The main result is that the difference between assumptions of adiabatic andisothermal flow will be quite small for the majority of foreseeable process conditions.

Place, publisher, year, edition, pages
2014.
Keyword [en]
mechanical dewatering, conservation equations, dimensionless numbers
National Category
Fluid Mechanics and Acoustics
Research subject
Environmental and Energy Systems
Identifiers
URN: urn:nbn:se:kau:diva-33484ISBN: 978-2-7598-1631-6OAI: oai:DiVA.org:kau-33484DiVA: diva2:741649
Conference
19th International Drying Symposium IDS, Lyon 24-27 August 2014
Available from: 2014-08-28 Created: 2014-08-28 Last updated: 2015-09-03Bibliographically approved

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Nilsson, Lars
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