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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Schmidt, Fabrice M.
IMT Mines Albi
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (41/41 displayed)
- 2022Determination of a degradation-induced limit for the consolidation of CF/PEEK composites using a thermo-kinetic viscosity modelcitations
- 2022Numerical Simulation of Recycled PET Preforms Infrared Heating Including Force Convection Effect in the Industrial ISBM Ovens
- 2022Infrared heating modeling of recycled PET preforms in injection stretch blow molding processcitations
- 2021Effect of PEEK degradation on commingled fabrics consolidation
- 2021Effect of melt spinning on the integrity of poly(ether ether ketone) for commingled yarn based composite preformscitations
- 2021Effect of poly(ether ether ketone) degradation on commingled fabrics consolidationcitations
- 2020Characterisation and modelling of the temperature and rate dependent shear behaviour of a non-consolidated powder impregnated fabric
- 2019Experimental characterization and modeling of the temperature and rate-dependent shear behaviour of powder-impregnated glass fiber/PA66 woven semipregscitations
- 2019Modelling strategy of IR lamps with integrated reflector used in the manufacturing processof thermoplastic composite tapes
- 2019Modeling of IR lamps with coated reflector used in the slurry powder impregnation process of composite tapescitations
- 2018Modelling the shape of an adhesive joint during assembly
- 2018The role of microcrystalline structure on optical scattering characteristics of semi-crystalline thermoplastics and the accuracy of numerical input for IR-heating modelingcitations
- 2017Towards a coupled heating-forming simulation of the thermoforming of thermoplastic compositescitations
- 2017A non-invasive experimental approach for surface temperature measurements on semi-crystalline thermoplasticscitations
- 2016Experimental analysis on the coupled effect between thermo-optical properties and microstructure of semi-crystalline thermoplasticscitations
- 2016Infrared welding process on composite: Effect of interdiffusion at the welding interfacecitations
- 2016Coupled heating-forming simulation of the thermoforming of thermoplastic composites
- 2016Infrared radiation applied to polymer processescitations
- 2016Identification of the temperature dependent relation between thermo-optical properties and morphology of semi-crystalline thermoplastics for thermoforming process
- 2016Effect of the developed temperature field on the molecular interdiffusion at the interface in infrared welding of polycarbonate compositescitations
- 2016Infrared Radiation applied to Blow Molding and thermoforming
- 2010Mold filling simulation of resin transfer molding combining BEM and level set method
- 2010Evolution de la microstructure et influence de la pollution atmosphérique lors de la mise en oeuvre d'une résine thermodurcissable
- 2010Numerical simulation of resin transfer molding using BEM and level set methodcitations
- 20092-D and 3-D void quantification with analyses in aeronautic composite laminates
- 2008Modeling of void growth mechanisms during the manufacturing of composite laminates
- 2007Behaviour model identification based on inverse modeling and using Optical Full Field Measurements (OFFM): application on rubber and steel
- 2007Optimizations of coat-hanger die, using constraint optimization algorithm and Taguchi method
- 2007Measurement of thermal contact resistance between the mold and the polymer for the stretch-blow molding processcitations
- 2006Optimization of 3D die extrusion using response surface method
- 2005A study of polymer-mold contact during injection molding cycle
- 2004Experimental and numerical infrared heating of thermoplastic sheet during thermoforming process
- 20043D finite element modeling of the blow molding process
- 2003Heat conditioning modelling of thermoforming process: comparison with experiments
- 2002Infrared Heating Modeling of Thermoplastic Sheets in Thermoforming Process
- 2002Advanced controls and measurements for the injection molding of a short fiber reinforced polymer
- 2001Comparison between a numerical model and an experimental approach of preform infrared radiative heating-recent results
- 2001Recent Issues In Preform Radiative Heating Modelling
- 2001Comparison Between a Numerical Model and an Experimental Approach of Preform Infrared Radiative Heating – Recent Results
- 2000Experimental study and numerical simulation of preform infrared radiative heating
- 2000Analysis of influent parameters during infrared radiative heating of PET preform
Places of action
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document
Analysis of influent parameters during infrared radiative heating of PET preform
Abstract
The processing parameters during radiative heating of PET preform are: The number of infrared heaters N h ,The temperature T i of each infrared heater L i=1, N hThe heating time t h ,The cooling time t c ,The coordinate vector x i=1,N h of each infrared heater L i=1, N h , The heat transfer coefficient h c between cooling air and PET preform. In previous papers [1,2], the spectral emissivity and directivity of different halogen lamps (Philips 300-700W electric nominal power made of a coiled tungsten filament, contained in a quartz tubular enclosure and a diffuse reflector made of a ceramic coating) have been reported. Recent measurements using a 0.6-25 m thermopile sensor on similar halogen lamps of 1000W (used in an industrial oven of injection-blow moulding machine) have been processed. The maximum temperature of the tungsten filament is 2400 K. As shown in fig. 1, these infrared heaters exhibit a slightly different behaviour from a lambertian source (diffuse radiation) due to the reflector. The average discrepancy is about 8 %. In order to take into account the participation of the diffuse reflector in the amount of the incident radiation, a coefficient of efficacy k rf is introduced. Fig. 2 shows the experimental setup that has been developed in order to measure the surface temperature distribution (front face and back face), when a PET sheet is heating using previous infrared heaters. An 880 LW AGEMA infrared camera (8-12 m bandwidth) is used to measure the spatial and transient temperature distribution. The surface dimension of the PET sheet is 20cm 20cm cm and the thickness is 1.5 mm. A 3D control-volume model has been developed for computing radiative heat transfer during the infrared heating stage. The sheet-shape domain sketched in fig. 3 is discretised into cubic elements, called control-volumes [3]. The energy equation including radiative transfer integrated over each control volume V e x y z and over the time from t to t t leads to: