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Interfacial stability analysis of mu...

Su, Yuan-Yuan.

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Interfacial stability analysis of multilayer viscoelastic fluids and its application to coextrusion processes.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Interfacial stability analysis of multilayer viscoelastic fluids and its application to coextrusion processes./
Author:	Su, Yuan-Yuan.
Description:	202 p.
Notes:	Source: Dissertation Abstracts International, Volume: 53-07, Section: B, page: 3649.
Contained By:	Dissertation Abstracts International53-07B.
Subject:	Engineering, Chemical. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9235909

Interfacial stability analysis of multilayer viscoelastic fluids and its application to coextrusion processes.
Su, Yuan-Yuan.

Interfacial stability analysis of multilayer viscoelastic fluids and its application to coextrusion processes. - 202 p.

Source: Dissertation Abstracts International, Volume: 53-07, Section: B, page: 3649.

Thesis (D.Sc.)--Washington University, 1992.

General theoretical techniques for analyzing the interfacial stability of multilayer polymeric flows have been developed. These techniques have been utilized to theoretically investigate the effects of viscosity, elasticity, and depth ratios as well as Reynolds number, interfacial tension, and gravitational force on the interfacial stability of multilayer plane Poiseuille and converging channel flows. Overall the results indicate that under certain physical (i.e., viscosity and elasticity ratios) and geometric (i.e., depth ratio) conditions stable regions at all disturbance wavelengths can be obtained. This suggests that based on this study operating diagrams for stable flow of multilayer polymeric fluids in parallel or converging channel dies could be constructed. A brief comparison of theoretical and experimental results has been made. The result of this comparison indicates that the prediction of the theoretical analysis is consistent with experimental results.Subjects--Topical Terms:

1018531
Engineering, Chemical.

Interfacial stability analysis of multilayer viscoelastic fluids and its application to coextrusion processes.
LDR:01880nmm 2200277 4500 001 1818230
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008 130610s1992 eng d
035 $a (UnM)AAI9235909
035 $a AAI9235909
040 $a UnM $c UnM
100 1 $a Su, Yuan-Yuan. $3 1907570
245 1 0 $a Interfacial stability analysis of multilayer viscoelastic fluids and its application to coextrusion processes.
300 $a 202 p.
500 $a Source: Dissertation Abstracts International, Volume: 53-07, Section: B, page: 3649.
500 $a Adviser: B. Khomami.
502 $a Thesis (D.Sc.)--Washington University, 1992.
520 $a General theoretical techniques for analyzing the interfacial stability of multilayer polymeric flows have been developed. These techniques have been utilized to theoretically investigate the effects of viscosity, elasticity, and depth ratios as well as Reynolds number, interfacial tension, and gravitational force on the interfacial stability of multilayer plane Poiseuille and converging channel flows. Overall the results indicate that under certain physical (i.e., viscosity and elasticity ratios) and geometric (i.e., depth ratio) conditions stable regions at all disturbance wavelengths can be obtained. This suggests that based on this study operating diagrams for stable flow of multilayer polymeric fluids in parallel or converging channel dies could be constructed. A brief comparison of theoretical and experimental results has been made. The result of this comparison indicates that the prediction of the theoretical analysis is consistent with experimental results.
590 $a School code: 0252.
650 4 $a Engineering, Chemical. $3 1018531
650 4 $a Plastics Technology. $3 1023683
650 4 $a Engineering, Materials Science. $3 1017759
690 $a 0542
690 $a 0795
690 $a 0794
710 2 0 $a Washington University. $3 1250147
773 0 $t Dissertation Abstracts International $g 53-07B.
790 1 0 $a Khomami, B., $e advisor
790 $a 0252
791 $a D.Sc.
792 $a 1992
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9235909