96/05796 Behavior of highly porous chars during oxidation in regime I

• Publisher: Elsevier Science
• Year: 1996
• Weight: 190 KB
• Volume: 37
• Category: Article
• ISSN: 0140-6701
• DOI: 10.1016/s0140-6701(97)83232-8

✦ Synopsis

A method for automatic image analysis of coke texture has been developed. The method uses an optical polarizing reflecting light microscope, with automatic sample movement. A series of images sized 405 X 270 mm is captured using a CCD video camera. These images are subdivided into six squares at 135 X 135 mm each. For each of these squares an image dis is g laying the contours of the optical domains is made. Tlus contour image ased on either thresholding or a grey level gradient. The structure is then characterized by the mean density and preferred direction of the contours in these square images.

96105796

Behavior of highly porous chars during oxldation In regime I