Resides in the author or organization that prepared it.ĭEPARTMENT OF MECHANICAL AND AEROSPACE ENGINEERING Summeyĭistribution of this report is provided in the interest of Volume II - Aerodynamics and Aerodynamic Loadsīy James C. OF PERTINENCE IN THE DESIGN OF LIGHT AIRCRAFT Volume 2 - Aerodynamics and aerodynamic loads"Ī STUDY OF NACA AND NASA PUBLISHED INFORMATION Collectively, the data provide a robust experimental data set for evaluating the ability of existing and new models to predict species segregation.Full text of " NASA Technical Reports Server (NTRS) 19700012724: A study of NACA and NASA published information of pertinence in the design of light aircraft. At higher gas velocities, however, the bottom layers become richer in jetsam in the periphery. In size‐and‐density‐segregating systems, denser particles (smaller and lighter) act as jetsam, with a slightly higher jetsam accumulation near the core of the bed. A slight radial segregation was observed at all gas velocities, with jetsam accumulating near the wall. For density segregation, heavier particles act as jetsam and segregation behavior is not monotonically dependent on bed composition. In size‐segregating systems, coarse particles act as jetsam, with a nearly constant concentration of fines in the flotsam‐rich section. Low‐velocities were used in order to minimize the possibility of segregation during bed collapse. Axial and radial segregation profiles were obtained from frozen bed sectioning.
Glass and polystyrene mixtures were investigated, at various gas velocity, jetsam concentration, particle‐size ratio, particle‐density ratio, and bed‐aspect ratio combinations. Three system types were explored: size segregation, density segregation, and combined size/density segregation (with the smaller species denser and lighter). Species segregation measurements were performed in a fluidized bed composed of a binary, Geldart B mixture. © 2007 American Institute of Chemical Engineers AIChE J, 2007 Collectively, the data provide a robust experimental data set for evaluating the ability of existing and new models to predict species segregation.
Experimental segregation profiles in bubbling gas‐fluidized beds Experimental segregation profiles in bubbling gas‐fluidized beds
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