Understanding Polymer Processing

Author: Tim A. Osswald
Publisher: Carl Hanser Verlag GmbH Co KG
ISBN: 156990717X
Size: 27.37 MB
Format: PDF, Docs
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This book provides the background needed to understand not only the wide field of polymer processing, but also the emerging technologies associated with the plastics industry in the 21st Century.

Practical Aspects Of Finite Element Modelling Of Polymer Processing

Author: Vahid Nassehi
Publisher: John Wiley & Sons Inc
ISBN: 9780471490425
Size: 41.56 MB
Format: PDF, Mobi
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This book develops finite element solution schemes for the governing equations of polymer processing flows and provides coverage of: * Equations of non-Newtonian fluids mechanics * Weighted residual finite element methods * Polymeric flow ...

Polymer Processing Instabilities

Author: Savvas G. Hatzikiriakos
Publisher: CRC Press
ISBN: 142003068X
Size: 60.79 MB
Format: PDF, ePub, Mobi
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Control and Understanding Savvas G. Hatzikiriakos, Kalman B. Migler ... This
hypothesis is important because it provides a vital link between continuum
equations that govern flow of bulk liquids and the complex molecular processes
responsible for momentum transport across fluid–solid interfaces. A good
summary of the early history surrounding the no-slip condition can be found in
Ref. (1). Pioneering experiments by Coulomb, for example, are believed to have
provided critical ...

Computer Modelling Of Polymer Processing

Author: E. Andreassen
Publisher: iSmithers Rapra Publishing
ISBN: 9780080420554
Size: 55.74 MB
Format: PDF, Kindle
View: 3203
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Film blowing is the highest volume production process for low density
polyethylene. After extrusion ... Difficulties are related to the cooling air, and a
lack of understanding of the rheological properties of a biaxially deformed
polymer. The cooling air ... Having set up the equations believed to govern the
film blowing process, it surely is a very depressing moment when one realizes
how sensitive the whole process is to input parameters, which we do not control
very well. The operator ...

Modeling In Materials Processing

Author: Jonathan A. Dantzig
Publisher: Cambridge University Press
ISBN: 9780521779234
Size: 45.11 MB
Format: PDF, Mobi
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We also discovered that we needed a new book, as existing texts were almost all
devoted exclusively to polymers, or to metals, or to ceramics. In this book, we
treat metal and polymer processing problems together, building around the
transport equations as a unifying theme. We were also dissatisfied with ad hoc
model development, in which terms were arbitrarily dropped from the governing
equations, or simplifications were made without a clear explanation. Simplifying
the general ...

Processing Of Polymers

Author: Han E. H. Meijer
Publisher:
ISBN: 9783527268290
Size: 33.60 MB
Format: PDF, Docs
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2.4 Governing Equations and Simplification Methods 2.4.1 Introduction The main
objective of polymer converters is to obtain satisfactory products at a competitive
price. ... Polymer processing modeling is a useful tool to achieve these objectives
. ... numerical models have to be based on an accurate physical description of the
phenomena encountered in the process: how can we model single screw
extrusion without understanding the so-called "rear flight plastication mechanism"
?

Advances In Computer Aided Engineering Cae Of Polymer Processing

Author: American Society of Mechanical Engineers. Materials Division
Publisher:
ISBN:
Size: 10.23 MB
Format: PDF, Kindle
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283, Advances in Computer-Aided Engineering (CAE) of Polymer Processing
ASME 1994 COMPUTER MODELING AND OPTIMIZATION OF POLYMER
PROCESSES USING THE BOUNDARY ELEMENT METHOD Bruce A. Davis,
Antoine C. Rios, Linards Stradins, ... Computer simulation of these complex
mixing processes leads to a better understanding of the flow phenomena that
take place during polymer mixing. ... The governing equations and theory of BEM
are also presented.

The Dual Reciprocity Method For Heat Transfer In Polymer Processing

Author: Jens Christoph Mätzig
Publisher:
ISBN:
Size: 16.40 MB
Format: PDF, ePub
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The development of an algorithm to solve the equation of energy for flow
problems using the boundary element dual reciprocity method (DRM) is the
scope of this thesis. The first Chapter recalls the three ... and the equation of
energy. The importance of heat transfer in various polymer processes, such as
solidification, melting, and viscous dissipation, are outlined in Chapter two. ...
BEM with domain integration. 1. GOVERNING EQUATIONS For a better
understanding of the upcoming 3.

Advances In Mechanical Behavior And Properties Evaluations

Author: American Society of Mechanical Engineers. Winter Meeting
Publisher:
ISBN:
Size: 60.86 MB
Format: PDF, Kindle
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procedures as well as assists with the design of new machinery and processes.
The modeling of polymer processing usually involves simultaneous partial
differential equations which govern the mass, momentum, and energy balances.
The major difficulties of solving these equations are due to the complicated,
nonlinear rheological behavior of polymer melts. These melts are not only highly
viscous liquids, but in addition they are pseudoplastic and viscoelastic. In
addition to these ...

International Polymer Processing

Author:
Publisher:
ISBN:
Size: 24.68 MB
Format: PDF, Mobi
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The Journal of the Polymer Processing Society. [Mines ParisTech, Centre de
Mise en Fonne des ... This work focuses on the development of a general finite
element code devoted to the three-dimensional direct simulation of mixing
processes of complex fluids. The code. developed from the CimLib© Library. is ...
For a Newtonian fluid. the velocity/pressure (u, p) problem is governed by mass
and momentum equations: —V + 2 Ali = 0. P 11 (I) V - ti : 0. No slip boundary
conditions on the ...