Open AccessSeparation of Fischer-Tropsch Wax from Catalyst by Supercritical Extraction
Author(s) -
Mark C. Thies,
Patrick C. Joyce
Publication year - 1998
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/2046
Subject(s) - turbulence , wind tunnel , particle (ecology) , deposition (geology) , vortex , supercritical fluid , mechanics , particle deposition , boundary layer , particle size , aerosol , wax , materials science , meteorology , environmental science , chemical engineering , thermodynamics , physics , composite material , geology , engineering , paleontology , oceanography , sediment
Further progress in achieving the objectives of the project was made in the period of January I to March 31, 1998. The direct numerical simulation of particle removal process in turbulent gas flows was completed. Variations of particle trajectories are studied. It is shown that the near wall vortices profoundly affect the particle removal process in turbulent boundary layer flows. Experimental data for transport and deposition of fibrous particles in the aerosol wind tunnel was obtained. The measured deposition velocity for irregular fibrous particles is compared with the empirical correlation and the available data for glass fibers and discussed. Additional progress on the sublayer model for evaluating the particle deposition and resuspension in turbulent flows was made
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