Fluid Mechanics of Mixing in a Single-Screw Extruder

Ravindran Chella; Jullo M. Ottino

doi:10.1021/i100018a006

Fluid Mechanics of Mixing in a Single-Screw Extruder

Ravindran Chella, Jullo M. Ottino

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Abstract

An analysis is presented of mixing in cavity flows and in the single-screw extruder, valid for realistic degrees of mixing (stretching). The limitations of conventional numerical tracking schemes and the general characteristics of flows with weak reorientation are discussed. The analysis gives insight into the physics of the process and suggests ways for improved operation by highlighting the role of operating conditions, the mode of feed introduction, and the role of mixing sections.

Original language	English (US)
Pages (from-to)	170-180
Number of pages	11
Journal	Industrial and Engineering Chemistry Fundamentals
Volume	24
Issue number	2
DOIs	https://doi.org/10.1021/i100018a006
State	Published - Jan 1 1985

ASJC Scopus subject areas

General Engineering

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10.1021/i100018a006

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abstract = "An analysis is presented of mixing in cavity flows and in the single-screw extruder, valid for realistic degrees of mixing (stretching). The limitations of conventional numerical tracking schemes and the general characteristics of flows with weak reorientation are discussed. The analysis gives insight into the physics of the process and suggests ways for improved operation by highlighting the role of operating conditions, the mode of feed introduction, and the role of mixing sections.",

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AB - An analysis is presented of mixing in cavity flows and in the single-screw extruder, valid for realistic degrees of mixing (stretching). The limitations of conventional numerical tracking schemes and the general characteristics of flows with weak reorientation are discussed. The analysis gives insight into the physics of the process and suggests ways for improved operation by highlighting the role of operating conditions, the mode of feed introduction, and the role of mixing sections.

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Fluid Mechanics of Mixing in a Single-Screw Extruder

Abstract

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