期刊
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY
卷 120, 期 1-3, 页码 397-411出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/S0924-0136(01)01178-5
关键词
conjugate; heat transfer model; metering section; single-screw plasticating extruder
This paper presents a quasi three-dimensional computer model and its validation with experimental results of the thermal transport processes in the metering section of a single-screw plasticating extruder. A finite volume based approach (SIMPLEC) has been used to obtain flow, thermal and pressure fields of a power-law fluid in the screw channel. The accuracy of the present model has been confirmed by the satisfactory tally of the numerical results with the experimental data for the extruder with fully open exit valve, and also by the excellent matching of the dimensionless exit pressure gradient with the experimental data. (C) 2002 Published by Elsevier Science B.V.
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