Geldart particles typeB andD range from 100 \xm and more. Green bean, urea and rice
will be experiment material because it has size over than 100 jxm. Due to that,
experimental work will focus on hydrodynamic behavior of Geldart particles where
bubble diameter, bed expansionand minimum fluidizing air velocity will be study. Semi
circular fluidized bed will be the experiment equipment. Result from the experiment will
be compared in graph with different colour line that indicate different dimaeter of
material.
To capture hydrodynamic behavior of bubble, high speed camera, SONY XC 75CE CCD
will be used and put in front of the fluidized bed. Image analysis software was used to
analyse the image captured via the high speedcamera. Pictures taken withthe high speed
camera will be set to 200 pps, exposure4997.25 and resolution 1280x 720
