Residence distribution models for twin screw extruder

被引：0
|
作者：
Gao, J [1 ]
Walsh, GC [1 ]
Bigio, D [1 ]
Briber, RM [1 ]
机构：
[1] Univ Maryland, College Pk, MD 20742 USA
来源：
ANTEC 2000: SOCIETY OF PLASTICS ENGINEERS TECHNICAL PAPERS, CONFERENCE PROCEEDINGS, VOLS I-III | 2000年
关键词：
residence time distribution; residence volume distribution; residence revolution distribution; twin screw extruder;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Transformation of the residence time distribution (RTD) to give both the residence volume distribution (RVD) and the residence revolution distribution (RRD) yields new physical insights into the extrusion process. These new tools motivate the development of a simple residence distribution model which characterizes the partially filled and fully filled screw sections and is capable of distinguishing between screw configurations and operating conditions. A least square error fit method is used to identify the parameters of the RTD model and it is indicated that the model function is appropriate to describe the RTD experimental data. The model for the RTD is validated on the analysis of data collected from the extrusion of polyethylene on a 30 mm Krupp Werner and Pfleiderer (W&P) Co-rotating twin screw extruder.
引用
收藏
页码：2 / 6
页数：5
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