Implementation of surface tension force in fluid flow during reactive rotational molding
TypeArticles dans des revues avec comité de lecture
During Reactive Rotational Molding (RRM), it is very important to predict the fluid flow in order to obtain the piece with homogeneous shape and high quality. This prediction may be possible by simulation the fluid flow during rotational molding. In this study we have used a mixture of isocyanate and polyol as reactive system. The kinetic rheological behaviors of thermoset polyurethane are investigated in anisothermal conditions. Thanks to these, rheokinetik model of polyurethane was identified. Then, to simulate the RRM, we have applied Smoothed Particles Hydrodynamics (SPH) method which is suited method to simulate the fluid flow with free surface such as occurs at RRM. Modelling and simulating reactive system flow depend on different parameters; one of them is the surface tension of reactive fluid. To implement force tension surface, the interface between polymer and air is dynamically tracked by finding the particles on this border. First, the boundary particles are detected by free-surface detection algorithm developed by Barecasco, Terissa and NAA [1, 2] in two and three dimension. Then, analytical and geometrical algorithms have been used for interface reconstructions. The aim of this work is the implementation of surface tension force in the SPH solver applied to RRM. To illustrate that, we used novel and simple geometric algorithm fitting circle and fitting sphere, in two and three dimensional configurations, respectively. The model has been validated using a well-known dam break test case which covered the experimental data.
Files in this item
Showing items related by title, author, creator and subject.
HAMIDI, A; KHELLADI, Sofiane; ILLOUL, Lounès; SHIRINBAYAN, Mohammadali; BAKIR, Farid; TCHARKHTCHI, Abbas (ELSEVIER, 2015)Reactive Rotational Moulding (RRM) is the best process for producing large hollow plastic parts without weld lines. Constant quality in technical parts requires the process to be mastered by controlling on-line the main ...
HAMIDI, A.; FARZANEH, Sedigheh; NONY, Fabien; ORTEGA, Zaida; KHELLADI, Sofiane; MONZON, M.; BAKIR, Farid; TCHARKHTCHI, Abbas (Springer, 2015)This paper concerns the study of sintering phenomenon during rotational molding of polypropylene(PP),Polyvinylidenefluoride (PVDF) and Polymethyl methacrylate (PMMA). First, the coalescence (first step of sintering) of two ...
Influence of process parameters on thermal and mechanical properties of polylactic acid fabricated by fused filament fabrication VANAEI, Hamidreza; SHIRINBAYAN, Mohammadali; DELIGANT, Michael; RAISSI, Kaddour; FITOUSSI, Joseph; KHELLADI, Sofiane; TCHARKHTCHI, Abbas (Wiley, 2020)Fused filament fabrication is considered one of the most used processes in additive manufacturing rapid prototypes out of polymeric material. Poor strength of the deposited layers is still one of the main critical problems ...
Multi-scale analysis of the effect of loading conditions on monotonic and fatigue behavior of a glass fiber reinforced polyphenylene sulfide (PPS) composite ZUO, Peiyuan; BENEVIDES, R.C.; LARIBI, M.A.; FITOUSSI, Joseph; SHIRINBAYAN, Mohammadali; TCHARKHTCHI, Abbas; BAKIR, Farid (ELSEVIER, 2018)In this paper, two kinds of PPS/GF composite samples (PPS-0°, PPS-90°) were prepared with two different fiber main orientations related to the injection direction. A wide range of their properties were discussed. Using ...
Thermal aging effects on overall mechanical behavior of short glass fiber-reinforced polyphenylene sulfide composites ZUO, Peiyuan; FITOUSSI, Joseph; SHIRINBAYAN, Mohammadali; BAKIR, Farid; TCHARKHTCHI, Abbas (John Wiley and Sons Inc., 2019)In this article, the overall mechanical properties of a short glass fiber-reinforced polyphenylene sulfide (PPS) composite were tested after oxidation at different temperatures (140, 160, 180, and 200°C), with a maximum ...