Design basis and hydrodynamic performance analysis of single-screw extruders. II – viscous power loss

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Industrial Lubrication and Tribology

ISSN: 0036-8792

Online from: 1948

Subject Area: Mechanical & Materials Engineering

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Title:	Design basis and hydrodynamic performance analysis of single-screw extruders. II – viscous power loss
Author(s):	Oguz Demiryürek, (Department of Textile Engineering, University of Cukurova, Adana, Turkey), Erdem Koç, (Department of Mechanical Engineering, University of Ondokuz Mayis, Samsun, Turkey)
Citation:	Oguz Demiryürek, Erdem Koç, (2009) "Design basis and hydrodynamic performance analysis of single-screw extruders. II – viscous power loss", Industrial Lubrication and Tribology, Vol. 61 Iss: 4, pp.197 - 202
Keywords:	Fluid pressure, Force, Viscosity
Article type:	Research paper
DOI:	10.1108/00368790910960020 (Permanent URL)
Publisher:	Emerald Group Publishing Limited
Abstract:	Purpose – The purpose of this paper is to investigate the design dimensions in pressure or metering region of a single-screw extruder by determining viscous power loss. The paper is the second part of a series. Design/methodology/approach – Viscous power loss formed in the extruder screw channel and the radial clearance is determined and evaluated in terms of non-dimensional parameters in order to obtain a theoretical model. Findings – The theoretical model developed is capable of estimating the viscous power loss in the extruder metering region. With the model developed, extruder geometry and viscous power loss under different operating conditions can be predicted. Originality/value – This paper offers a quick and easy opportunity to examine the viscous power loss in the extruder.