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Technology and Engineering
- ISSN: 2333-2581
- Modern Environmental Science and Engineering
Klinkenberg Effect as a Phenomenon of Gas-permeability in Porous Materials with Skeletal Structure
Grzegorz Wałowski1, and Gabriel Filipczak2
1. Institute of Technology and Life Sciences, Poznan Branch, Department of Renewable Energy Sources, Poland
2. Faculty of Mechanical Engineering, Chemical Engineering Department, Opole University of Technology, Poland
Abstract: This study discusses results of experiments on hydrodynamic assessment of gas flow through backbone (skeletal) porous materials with an anisotropic structure. The research was conducted upon materials of diversified petrographic characteristics, both natural origin (rocky, pumice) and process materials (char and coke). The study was conducted for a variety of hydrodynamic conditions, using air, as well as for nitrogen and carbon dioxide. The basis for assessing hydrodynamics of gas flow through porous material was a gas stream that results from the pressure forcing such flow. The results of measurements indicate a clear impact of the type of material on the gas permeability, and additionally — as a result of their anisotropic internal structure — to a significant effect of the flow direction on the value of gas stream.
Key words: hydrodynamics, gas flow, anisotropic, porous materials, syngas, biogas
