Engineering model of friction of gas-solids flow in a jet mill nozzle

D. Eskin, H. Kalman

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

In this study we develop a model for estimating particle friction against the wall of a jet mill nozzle. The computation is reduced to a definition of conventional force acting on particles in a polydispersed stream. It is assumed that energy losses due to friction are caused by multiple particle collisions against the nozzle walls. The proposed model is oriented to calculating jet mill nozzles and is much simpler than previously applied methods. A parametric study of the proposed model was carried out and the effect of particle friction on particle and gas velocities was derived.

Original languageEnglish
Pages (from-to)57-64
Number of pages8
JournalChemical Engineering and Technology
Volume25
Issue number1
DOIs
StatePublished - 1 Jan 2002

ASJC Scopus subject areas

  • General Chemistry
  • General Chemical Engineering
  • Industrial and Manufacturing Engineering

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