Thermal Enhancement of Solid Desiccant Packed Bed Dehumidifier Under Forced Convection in Subsonic Flow Regime

Conference paper

Yeboah, S. and Darkwa, J. (2014). Thermal Enhancement of Solid Desiccant Packed Bed Dehumidifier Under Forced Convection in Subsonic Flow Regime. AIAA 2014-3658 -Propulsion Energy Forum - 12th International Energy Conversion Engineering Conference. Cleveland, OH 28 - 30 Jul 2014 American Institute of Aeronautics and Astronautics (AIAA). https://doi.org/10.2514/6.2014-3658
AuthorsYeboah, S. and Darkwa, J.
TypeConference paper
Abstract

A theoretical study on an alternative technique of extensively filling sections of packed beds for thermal
enhancement has been carried out. Three packed beds of solid desiccants with different configurations
but similar material properties were used for this investigation. The beds were modelled and simulated
under forced convection in subsonic flow regime using porous media model with energy and transport
equations solved under local thermal equilibrium conditions in ANSYS Fluent. The results show that the
presence of clear fluid sections within porous media significantly reduces the overall bed temperature. It
is also observed that narrowing the clear fluid sections between porous inserts impacts on the bed flow
behaviour and thermal enhancement although it is found to cause considerable pressure drop.

KeywordsHeat Transfer, Porous Media, Thermal Enhancement, Computational Fluid Dynamics
Year2014
JournalAerospace Research Central
Publisher American Institute of Aeronautics and Astronautics (AIAA)
Digital Object Identifier (DOI)https://doi.org/10.2514/6.2014-3658
Web address (URL)https://arc.aiaa.org/doi/10.2514/6.2014-3658
Accepted author manuscript
License
File Access Level
Open
Publication dates
Online25 Jul 2014
Publication process dates
Accepted19 Mar 2014
Deposited23 May 2022
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https://openresearch.lsbu.ac.uk/item/8z920

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Thermal Enhancement of Solid Desiccant Packed Bed Dehumidifier Under Forced Convection in Subsonic Flow Regime-Num Ref Ed_2015_Revised.docx
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File access level: Open

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