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Modeling And Simulation Of High Reynolds Number Flows During Reaction Injection Mold Filling
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Book Synopsis Modeling and Simulation of High Reynolds' Number Flows During Reaction Injection Mold Filling by : Timothy John Spiegelhoff
Download or read book Modeling and Simulation of High Reynolds' Number Flows During Reaction Injection Mold Filling written by Timothy John Spiegelhoff and published by . This book was released on 1992 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Simulation of the Reaction Injection Mold Filling Process for Thin Non - Planar Parts by : Esther Mei Sun
Download or read book Simulation of the Reaction Injection Mold Filling Process for Thin Non - Planar Parts written by Esther Mei Sun and published by . This book was released on 1993 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Numerical Simulation of the Filling and Curing Stages in Reaction Injection Moulding by : Rui Igreja
Download or read book Numerical Simulation of the Filling and Curing Stages in Reaction Injection Moulding written by Rui Igreja and published by . This book was released on 2014-05-13 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: Master's Thesis from the year 2007 in the subject Engineering - Mechanical Engineering, language: English, abstract: (Thesis in pdf available here: http: //goo.gl/EZzlT6 and here: http: //hdl.handle.net/10773/2419) Commonly used methods for injection moulding simulation involve a considerable number of simplifications, leading to a significant reduction of the computational effort but, in some cases also to limitations. In this work, Reaction Injection Moulding (RIM) simulations are performed with a minimum of simplifications, by using the general purpose CFD software package Ansys CFX, designed for numerical simulation of fluid flow and heat and mass transfer. The Ansys CFX's homogeneous multiphase flow model, which is generally considered to be the appropriate choice for modelling free surface flows where the phases are completely stratified and the interface is well defined, is shown to be unable to model the filling process correctly. This problem is overcome through the implementation of the inhomogeneous model in combination with the free-slip boundary condition for the air phase. The cure reaction is implemented in the code as a transport equation for an additional scalar variable, with a source term. Various transient and advection schemes are tested to determine which ones produce the most accurate results. Finally, the mass conservation, momentum, cure and energy equations are implemented all together to simulate the simultaneous filling and curing processes present in the RIM process. The obtained numerical results show a good global accuracy when compared with other available numerical and experimental results, though considerably long computation times are required to perform the simulations.
Book Synopsis Conference Proceedings by : Society of Plastics Engineers. Technical Conference
Download or read book Conference Proceedings written by Society of Plastics Engineers. Technical Conference and published by . This book was released on 1994 with total page 1222 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Flow Analysis of Injection Molds by : Peter Kennedy
Download or read book Flow Analysis of Injection Molds written by Peter Kennedy and published by Carl Hanser Verlag GmbH Co KG. This book was released on 2013-04-04 with total page 381 pages. Available in PDF, EPUB and Kindle. Book excerpt: Given the importance of injection molding as a process as well as the simulation industry that supports it, there was a need for a book that deals solely with the modeling and simulation of injection molding. This book meets that need. The modeling and simulation details of filling, packing, residual stress, shrinkage, and warpage of amorphous, semi-crystalline, and fiber-filled materials are described. This book is essential for simulation software users, as well as for graduate students and researchers who are interested in enhancing simulation. And for the specialist, numerous appendices provide detailed information on the topics discussed in the chapters. Contents: Part 1 The Current State of Simulation: Introduction, Stress and Strain in Fluid Mechanics, Material Properties of Polymers, Governing Equations, Approximations for Injection Molding, Numerical Methods for Solution Part 2 Improving Molding Simulation: Improved Fiber Orientation Modeling, Improved Mechanical Property Modeling, Long Fiber-Filled Materials, Crystallization, Effects of Crystallizations on Rheology and Thermal Properties, Colorant Effects, Prediction of Post-Molding Shrinkage and Warpage, Additional Issues of Injection-Molding Simulation, Epilogue Appendices: History of Injection-Molding Simulation, Tensor Notation, Derivation of Fiber Evolution Equations, Dimensional Analysis of Governing Equations, The Finite Difference Method, The Finite Element Method, Numerical Methods for the 2.5D Approximation, Three-Dimensional FEM for Mold Filling Analysis, Level Set Method, Full Form of Mori-Tanaka Model
Book Synopsis International Polymer Processing by :
Download or read book International Polymer Processing written by and published by . This book was released on 1986 with total page 814 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Numerical Simulation of Mold Filling in Reaction Injection Molding (RIM) by : Huimin Zhan
Download or read book Numerical Simulation of Mold Filling in Reaction Injection Molding (RIM) written by Huimin Zhan and published by . This book was released on 1993 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Numerical Methods in Laminar and Turbulent Flow by :
Download or read book Numerical Methods in Laminar and Turbulent Flow written by and published by . This book was released on 1997 with total page 1192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modeling and Simulation of Reactive Flows by : A.L. De Bortoli
Download or read book Modeling and Simulation of Reactive Flows written by A.L. De Bortoli and published by Elsevier. This book was released on 2015-07-10 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modelling and Simulation of Reactive Flows presents information on modeling and how to numerically solve reactive flows. The book offers a distinctive approach that combines diffusion flames and geochemical flow problems, providing users with a comprehensive resource that bridges the gap for scientists, engineers, and the industry. Specifically, the book looks at the basic concepts related to reaction rates, chemical kinetics, and the development of reduced kinetic mechanisms. It considers the most common methods used in practical situations, along with equations for reactive flows, and various techniques—including flamelet, ILDM, and Redim—for jet flames and plumes, with solutions for both. In addition, the book includes techniques to accelerate the convergence of numerical simulation, and a discussion on the analysis of uncertainties with numerical results, making this a useful reference for anyone who is interested in both combustion in free flow and in porous media. Helps readers learn how to apply applications of numerical methods to simulate geochemical kinetics Presents methods on how to transform the transport equations in several coordinate systems Includes discussions of the basic concepts related to reaction rates, chemical kinetics, and the development of reduced kinetic mechanisms, including the most common methods used in practical situations Offers a distinctive approach that combines diffusion flames and geochemical flow problems
Download or read book Injection Molding written by Rong Zheng and published by Springer Science & Business Media. This book was released on 2011-06-21 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers fundamental principles and numerical methods relevant to the modeling of the injection molding process. As injection molding processing is related to rheology, mechanical and chemical engineering, polymer science and computational methods, and is a rapidly growing field, the book provides a multidisciplinary and comprehensive introduction to the subjects required for an understanding of the complex process. It addresses the up-to-date status of fundamental understanding and simulation technologies, without losing sight of still useful classical approaches. The main chapters of the book are devoted to the currently active fields of flow-induced crystallization and orientation evolution of fiber suspensions, respectively, followed by detailed discussion of their effects on mechanical property, shrinkage and warpage of injection-molded products. The level of the proposed book will be suitable for interested scientists, R&D engineers, application engineers, and graduate students in engineering.
Book Synopsis Computer Modeling for Injection Molding by : Huamin Zhou
Download or read book Computer Modeling for Injection Molding written by Huamin Zhou and published by John Wiley & Sons. This book was released on 2013-03-04 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers a wide range of applications and uses of simulation and modeling techniques in polymer injection molding, filling a noticeable gap in the literature of design, manufacturing, and the use of plastics injection molding. The authors help readers solve problems in the advanced control, simulation, monitoring, and optimization of injection molding processes. The book provides a tool for researchers and engineers to calculate the mold filling, optimization of processing control, and quality estimation before prototype molding.
Book Synopsis Computer Simulation of Cavity Filling During Injection Molding Process by : Sumit Banerjee
Download or read book Computer Simulation of Cavity Filling During Injection Molding Process written by Sumit Banerjee and published by . This book was released on 1983 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: A numerical technique is proposed for the simulation of cavity filling process during injection molding of glass-bead filled polypropylene. The mold cavity is of cylindrical shape. Marker And Cell (MAC) method is utilized for solving the transient flow phenomena, after a mathematical simulation of the flow model is carried out by using the relevant continuity and-momentum equations governing the system. The complexity of the equations involved, results in the simplifying assumption of incompressible and isothermal flow process. A computer program is written on the basis of finite-difference equations developed during the application of MAC method under the prevailing conditions. The numerical results yield significant data on the progression of the melt front, the velocity profiles in both axial and transverse directions and the pressure distributions at different times and positions in the cavity.
Download or read book Maro Polymer Notes written by and published by . This book was released on 1995 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Model to Predict the Flow Length in Injection Molding by : Mathias Buchmann
Download or read book A Model to Predict the Flow Length in Injection Molding written by Mathias Buchmann and published by . This book was released on 1993 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Simulation and Verification of Filling and Post-filling Stages of the Injection-molding Process by : Hwai Hai Chiang
Download or read book Simulation and Verification of Filling and Post-filling Stages of the Injection-molding Process written by Hwai Hai Chiang and published by . This book was released on 1989 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dynamic Simulation with Graphics for the Injection Molding of Three-dimensional Thin Parts by : Ven-Woei Wang
Download or read book Dynamic Simulation with Graphics for the Injection Molding of Three-dimensional Thin Parts written by Ven-Woei Wang and published by . This book was released on 1985 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Three-dimensional Simulations for the Filling Stage of the Polymer Injection Molding Process Using the Finite Element Method by : Sang-Woo Kim
Download or read book Three-dimensional Simulations for the Filling Stage of the Polymer Injection Molding Process Using the Finite Element Method written by Sang-Woo Kim and published by . This book was released on 2005 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
