Article | REF: J2252 V1

Characterization and analysis of powders

Authors: Khashayar SALEH, Pierre GUIGON

Publication date: March 10, 2009, Review date: December 1, 2022

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1. Powder flowability

Among the behavioral properties of powders, their flowability is by far the one of greatest interest to the industrial sector.

The flowability of a powder is its ability to flow freely, evenly and consistently in the form of individual particles.

In many industrial processes, divided solids are handled, transported or stored. The flowability of powders therefore determines the performance and smooth running of processes, and plays a role in the quality of the end product. For example, a powder with good flowability will flow unassisted. Conversely, a cohesive powder has poor flowability, and a mechanical device must be provided to facilitate its movement (agitation, vibration). The dynamic behavior of powders as they flow depends on numerous characteristics. It is difficult to express it in a single,...

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Bibliography

(1) - TEUNOU (E.), FITZPATRICK (J.-J.) - Effect of storage time and consolidation on food powder flowability. - Journal of Food Engineering, 43, p. 97-101 (2000).
(2) - RUMPF (H.) - Particle technology. - Chapman and Hall (1979).

Also in our database

SALEH (K.), GUIGON (P.) - Mise en œuvre des poudres. Caractérisation et analyse des propriétés des solides divisés. -

Websites

http://www.kona.or.jp/index_e.html

http://www.bulk-online.com

http://www.directindustry.fr

http://www.hansonresearch.com

...

Events

Science et Technologie des Poudres (STP) et Matériaux frittés Triennial Symposium. May 27-29, 2009, Montpellier.

Société Française du Génie des Procédés (SFGP) biennial congress. October 14-16, 2009, Marseille.

World Congress on Particle Technology Congress held every 3-4 years. April 26-29, 2010, Nuremberg, Germany.

International Congress on Particle Technology...

Standards and norms

Code of practice for Control of undesirable static electricity. Part 2 : Recommendations for particular industrial situations - BS 5958-2 - 1991
Matériels électriques destinés à être utilisés en présence de poussières combustibles. 2e partie : Méthodes d'essai. Section 2 : Méthode de détermination de la résistivité électrique des couches de poussière. Paris La Défense, Union Technique de l'Électricité - CEI 61241-2-2...