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Simulation of mixing in single screw...

The University of Wisconsin - Madison.

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Simulation of mixing in single screw extrusion using the boundary integral method.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Simulation of mixing in single screw extrusion using the boundary integral method./
作者:	Rios, Antoine Claude.
面頁冊數:	137 p.
附註:	Source: Dissertation Abstracts International, Volume: 61-02, Section: B, page: 1052.
Contained By:	Dissertation Abstracts International61-02B.
標題:	Engineering, Mechanical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9937333
ISBN:	059950577X

Simulation of mixing in single screw extrusion using the boundary integral method.
Rios, Antoine Claude.

Simulation of mixing in single screw extrusion using the boundary integral method. - 137 p.

Source: Dissertation Abstracts International, Volume: 61-02, Section: B, page: 1052.

Thesis (Ph.D.)--The University of Wisconsin - Madison, 1999.

Mixing of polymer components and additives significantly influences the properties of finished products. Such mixing is often performed during processing, especially, with the extrusion process. Single screw extruder mixing sections have all been designed based on trial and error and have never been optimized using numerical techniques. With this project we analyze the flow and mixing in several single screw extruder mixing sections using the boundary element method (BEM). Much insight was gained on the mixing performance of rhomboidal mixing sections. In addition we propose a Monte Carlo integration scheme to model the non-linear behavior of polymer flows. The technique was compared to analytical results, and applied on the simulation of a twisted tape static mixer and a rhomboidal pineapple mixing section. The Monte Carlo integration scheme shows good agreement with analytical solutions when the flow exhibit low changes in strain rate, but it is insufficient to model regions with large variation in strain rates.

ISBN: 059950577XSubjects--Topical Terms:

783786
Engineering, Mechanical.

Simulation of mixing in single screw extrusion using the boundary integral method.
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502 $a Thesis (Ph.D.)--The University of Wisconsin - Madison, 1999.
520 $a Mixing of polymer components and additives significantly influences the properties of finished products. Such mixing is often performed during processing, especially, with the extrusion process. Single screw extruder mixing sections have all been designed based on trial and error and have never been optimized using numerical techniques. With this project we analyze the flow and mixing in several single screw extruder mixing sections using the boundary element method (BEM). Much insight was gained on the mixing performance of rhomboidal mixing sections. In addition we propose a Monte Carlo integration scheme to model the non-linear behavior of polymer flows. The technique was compared to analytical results, and applied on the simulation of a twisted tape static mixer and a rhomboidal pineapple mixing section. The Monte Carlo integration scheme shows good agreement with analytical solutions when the flow exhibit low changes in strain rate, but it is insufficient to model regions with large variation in strain rates.
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