A NUMERICAL STUDY OF NONISOTHERMAL REACTIVE FLOW IN A DUAL-SCALE POROUS MEDIUM UNDER PARTIAL SATURATION

This numerical study investigates the temperature and cure distribution during the flow of a reactive liquid in dual-scale fibrous porous media under partial saturation. An iterative, control-volume approach, based on energy and cure balances, is used for developing discretized equations in the chan...

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Bibliographic Details
Published in:Numerical heat transfer. Part A, Applications Applications, 2005-01, Vol.47 (2), p.109-136
Main Authors: Pillai, Krishna M., Jadhav, Rajendra S.
Format: Article
Language:English
Subjects:
Applied fluid mechanics
Applied sciences
Composites
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Fluid dynamics
Forms of application and semi-finished materials
Fundamental areas of phenomenology (including applications)
Hydrodynamics, hydraulics, hydrostatics
Materials science
New materials: theory, design, and fabrication
Other materials
Physics
Polymer industry, paints, wood
Specific materials
Technology of polymers
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Summary:This numerical study investigates the temperature and cure distribution during the flow of a reactive liquid in dual-scale fibrous porous media under partial saturation. An iterative, control-volume approach, based on energy and cure balances, is used for developing discretized equations in the channels and fiber tows of the two-layer model of a dual-scale porous medium. Significant differences in the average temperatures and cures within the channels and fiber tows are observed. The ratio of the channel and fiber-tow pore volumes, the ratio of liquid and fiber heat capacities, the fiber-bundle thermal conductivity, along with the reaction rate are identified as the important parameters for temperature and cure distributions.
ISSN:1040-7782
1521-0634
DOI:10.1080/10407780490520841