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Radiant Heating of Plastics: Application to Film Blowing Processes
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H. Benkreira
Veröffentlicht/Copyright:
6. Juni 2013
Abstract
This paper presents experimental data and a mathematical model for the radiant heat transfer operation used in the production of biaxially oriented polypropylene (BOPP) films by the Double Bubble process. The data was obtained from an industrial pilot plant fully instrumented for the purpose of the study. In the mathematical model the effect of the view factor is considered, along with the effects of natural and forced convection on the heat transfer coefficients. Experiments were also conducted in a laboratory radiant heater to determine the range of heat transfer coefficients experienced under different heating conditions, and analytical methods to determine these are discussed.
Received: 2002-7-11
Accepted: 2003-1-20
Published Online: 2013-06-06
Published in Print: 2003-05-01
© 2003, Carl Hanser Verlag, Munich
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Artikel in diesem Heft
- Editorial
- Fourteenth in a Series: Heinz List and his Family of Continuous Mixing Machines
- Screw Extrusion
- Influence of Non-Newtonian Behaviour on the Processing Characteristics of Wall-slipping Materials
- Neural Network Approach to Density Control of Rigid PVC Foam in Extrusion Process
- Investigation of Melting Phenomena in Modular Co-rotating Twin Screw Extrusion
- Mixing and Compounding
- Montmorillonite Co-intercalated with Octadecylamine and Stearic Acid by Low Temperature Melting and its Influence on PP Nanocomposites
- Analysis and Optimization of Kenics Static Mixers
- Electret-thermal Analysis of Polymer Blends
- Effects of Zinc Fatty Acids on Improved Polymer Processing for Critical Extrusions
- Flexible Sheet Molding Compound (SMC) Using Aliphatic Polyester as Cross Linker
- Co-Extrusion
- Investigation of the Interfacial Instabilities in the Coextrusion Flow of PE and PS
- Film
- Radiant Heating of Plastics: Application to Film Blowing Processes
- Injection Molding
- Measurement and Prediction of Temperature Distribution in an Injection Molding Cavity
- A Study of Processing Conditions on the Properties of Diffraction Optical Elements by Injection/Compression Molding Process
- Flow Behavior of Sandwich Injection Molding in Sequential and Simultaneous Injection
- Rotational Molding
- Rotational Moulding and Powder Processing of Natural Fibre Reinforced Thermoplastics
