Experience this weird substance, both viscous and solid, discover its science and make your own. Les liquides sont effectivement des fluides, mais le gaz lest aussi. Smaller or lighter particles tend to experience smooth fluidization. Concepts in industrial fluidization 11 erosion of internal parts because of moving particles entrainment and attrition of the bed material liquid solid fluidization smooth particulate fluidization. This classification schemewhich distinguishes between expanded bed and transport regimes, cocurrent upflow vs downflow and countercurrent flows of gas and liquid, gasdispersed and. More information about fluidization processes can be found in the references.
Start studying combustion properties of liquid, gaseous and solid fuelssources of ignition. Unitoperations 1 1 introduction fluidized beds are used widely in chemical processing industries for separations, rapid mass and heat transfer operations, and catalyic reactions. The cocurrent gas liquid solid fluidization is defined as an operation in which a bed of solid particles is suspended in gas andor liquid upward flowing media due to the net gravitational force. Combustion properties of liquid, gaseous and solid fuels. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Uniform and large expansion of the bed without presence of bubbles. Introduction fluidization refers to the contact between a bed of solids and a flow of fluid. When the gas velocities increase beyond the minimum fluidization velocity, bubbles can form. Pdf solid flow transition in liquid and threephase. University of groningen particle transport in fluidized. The basic classification of gas liquid solid fluidization systems given on page 7 of the present book is therefore crucial to an understanding of the subject. Other minimum fluidization correlations exist, but eq. Gasliquidsolid fluidization engineering pdf free download. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
The liquid holdup in the gas liquid solid fluidized bed was well correlated by modifying the garside and al. Fluidization engineering second edition pdf free download. Levenspiel, butterworthheinemann, isbn o409902330, f95. The point at which this occurs depends on the particle size and density.
948 1472 1199 468 715 981 1097 1185 818 1608 557 485 1064 1558 1098 1642 452 403 672 804 1450 723 229 1325 1324 207 88 258 645 532 787 581 856 340 940 801 536 1156 1144 801 1311 810 618 131