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Numerical Simulation of Recycled PET Preforms Infrared Heating Including Force Convection Effect in the Industrial ISBM Ovens

Anh-Duc Le 1, * Rémi Gilblas 1 Yannick Le Maoult 1 Fabrice Schmidt 1 
* Corresponding author
Abstract : Nowadays, injection stretch blow molding (ISBM) process represents the most employed technology to produce plastic bottles. An important step of this process is the heat conditioning stage which is performed within infrared ovens by the use of powerful halogen lamps. Homogenizing the temperature distribution along and inside the preform at the end of this conditioning stage is one of the key parameters to determine the final quality of the bottle (thickness, mechanical properties, transparency...). In this research work, a numerical software has been developed to simulate recycled PET (rPET) preforms infrared heating inside the industrial ISBM ovens, where both rotation and translation of the preform across different heating modules occur. In addition, the presence of a fan system involving a forced convective condition inside the ovens is also considered using a Computational Fluid Dynamics (CFD) approach instead of using a conventional heat transfer coefficient.
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Submitted on : Monday, July 25, 2022 - 11:12:48 AM
Last modification on : Friday, August 5, 2022 - 11:43:21 AM

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Anh-Duc Le, Rémi Gilblas, Yannick Le Maoult, Fabrice Schmidt. Numerical Simulation of Recycled PET Preforms Infrared Heating Including Force Convection Effect in the Industrial ISBM Ovens. ESAFORM 2022 - 25th International Conference on Material Forming, Apr 2022, Braga, Portugal. pp.1842-1849, ⟨10.4028/p-66pzhr⟩. ⟨hal-03737542⟩

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