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Academic literature on the topic 'Moussage physique'
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Journal articles on the topic "Moussage physique"
Tanoh, Somala Tatiana, Martin Luthère King N’gbo, William Kwithony Disseka, and Lucien Patrice Kouamé. "Influence du Type de Solvant et du Ratio Echantillon/Solvant sur les Propriétés Moussantes des Poudres des Racines de Manioc Manihot Esculenta (Crantz) cv Bonoua 2." European Scientific Journal, ESJ 19, no. 30 (October 31, 2023): 293. http://dx.doi.org/10.19044/esj.2023.v19n30p293.
Full textAghzar, N., H. Berdai, A. Bellouti, and B. Soudi. "Pollution nitrique des eaux souterraines au Tadla (Maroc)." Revue des sciences de l'eau 15, no. 2 (April 12, 2005): 459–92. http://dx.doi.org/10.7202/705465ar.
Full textKANOUTÉ, Y., I. TRAORE, S. SANOGO, E. Aroudam,, and A. BA. "Optimisation du rendement et de la température d’un capteur solaire plan à eau par simulation." Journal de Physique de la SOAPHYS 2, no. 1a (February 12, 2021): C20A03–1—C20A03–8. http://dx.doi.org/10.46411/jpsoaphys.2020.01.03.
Full textALI MOUSSA, Aïssatou, Aimé Christian NDIH, and Madi ALI. "Typologie des élevages de lapins dans la zone sahélienne du Cameroun : cas de la ville de Maroua." Journal of Applied Biosciences 185 (May 31, 2023): 19393–401. http://dx.doi.org/10.35759/jabs.185.3.
Full textNYS, Y. "Préface." INRAE Productions Animales 23, no. 2 (April 10, 2011): 107–10. http://dx.doi.org/10.20870/productions-animales.2010.23.2.3292.
Full textMAAMRI, Moussa, and Hocine IFOURAH. "La croissance économique entre ouverture, qualité institutionnelle et dépendance énergétique : quelle évidence pour l’économie algérienne ?" Journal of Academic Finance 7, no. 1 (June 29, 2016). http://dx.doi.org/10.59051/joaf.v7i1.50.
Full textSt-Jean, Isabelle, M. Mihaela Friciu, Anaëlle Monfort, Jessica MacMahon, Jean-Marc Forest, Scott Walker, and Grégoire Leclair. "Stability of Extemporaneously Compounded Suspensions of Trimethoprim and Sulfamethoxazole in Amber Plastic Bottles and Amber Plastic Syringes." Canadian Journal of Hospital Pharmacy 74, no. 4 (September 28, 2021). http://dx.doi.org/10.4212/cjhp.v74i4.3194.
Full textDissertations / Theses on the topic "Moussage physique"
Ykhlef, Nazim. "Etude et optimisation de poly(butylène succinate) biosourcés pour l’injection moussage à l’azote par voie physique." Thesis, Ecole nationale supérieure Mines-Télécom Lille Douai, 2018. http://www.theses.fr/2018MTLD0004.
Full textThis work focused on the development of biobased polymer foams adapted to the microcellular injection molding (Mucell®) and the identification of the key parameters (process and/or material) controlling the cell structure.The process parameters were optimized using a Taguchi design of experiment which achieves 15% lightweighting while maintaining acceptable mechanical performances. In addition, structural modifications of PBS were carried out in order to control the foaming mechanism (gas dissolution, cell nucleation, cell growth and cell stabilization). Cell morphology has been improved by modifying the molecular conformation, promoting heterogeneous nucleation, or by adjusting the extensional viscosity and surface tension of the material. The resulting formulation exhibit a decrease of more than 80% in cell size and a cell density multiplied by 450.Finally, a measurement technique for the rheological behavior of the single phase polymer/gas mixture was developed using an instrumented on-line nozzle to evaluate the effect of gas dissolution on the viscosity under experimental conditions
Rainglet, Benoit. "Etude du moussage par CO2 de polypropylène et de TPV en autoclave et par extrusion : formulation, rhéologie et modélisation." Electronic Thesis or Diss., Lyon, 2021. http://www.theses.fr/2021LYSES029.
Full textWork on the physical foaming of vulcanised polyolefins and thermoplastics (TPV) by the addition of supercritical CO2, whether by continuous process (extrusion) or by batch process (reactor).Through the formulation, rheological study and foaming of existing and new polymers, a rheological criterion for defining the ability to foam was demonstrated and extended to complex polymer blends (as TPV). More specifically, the study of TPV formulation on foaming was investigated .Conclusions regarding cross-linking chemistry and addition of fillers were determined.Numerical modelling and implementation of extrusion foaming were carried out and demonstrated the possibility of obtaining a regular and homogeneous foam as well as predicting, depending on the input parameters, the final characteristics of the foam
Dubois, Julie. "Moussage de polymères par des procédés physiques." Thesis, Bordeaux, 2016. http://www.theses.fr/2016BORD0311.
Full textThis dissertation focuses on the production and study of microcellular polymer foams by gas dissolution foaming. Due to the novelty of this research field several experimental techniques have been improved or adapted to produce the foams but also to provide valuable information from the systems understudy. It is demonstrated that processing parameters, such as pressure and temperature, allow differentiating between our foaming routes, and present a significant influence on the foaming process and final characteristics of foam
Rouyer, Florence. "Quelques études de la physique des écoulements d'une mousse et dans une mousse." Habilitation à diriger des recherches, Université Paris-Est, 2011. http://tel.archives-ouvertes.fr/tel-00682720.
Full textGaillard, Thibaut. "Ecoulements confinés à haut et bas Reynolds : génération millifluidique de mousse et drainage de films minces de copolymères." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLS368/document.
Full textFoam is a fascinating matter which has been broadly used for centuries, but its complexity makes it difficult to understand and control its properties. The subject of this experimental thesis is to show through two examples that by controlling the flows during the generation and lifetime of the foam its stability and structural properties may be better controlled. In the first part I study the generation of foams made of microscopic bubbles by a cyclic diphasic flow in a tube connecting two syringes. With this technique one can vary the liquid fractions without changing the bubble size distributions. I show that these distributions are mainly controlled by the presence of constrictions in the tubing connecting the syringes and by the physico-chemical properties of the foaming solution. My results show that the characteristic bubble size is not fixed by foam ageing effects but by hydrodynamic instabilities. With various millifluidic model experiments in the inertial regime I highlight what seems to be a new mechanism of bubble fragmentation. The acceleration and deceleration of the bubbles when going through a constriction would be the driving effect of this process. The precise link still has to be established. In the second part I show that it is possible to make highly stable free-standing films made of a comb-copolymer melt of PDMS-g-PEG-PPG, at room temperature, and without stabilising agents. The characterisation of this melt reveals that it is a newtonian liquid with a low surface tension and not subject to phase transitions at room temperature. I studied intensively the drainage of vertical and horizontal films, which is a laminar flow of the liquid confined between its two liquid/air interfaces. Using a millifluidic thin film pressure balance, developed for the study of viscous liquids, I report the formation of stratifications in very thin films. Theses stratifications have the same step hight than the characteristic length of the melt which we measured for the bulk, linked either to the size of the macromolecules or to micro-phase separation. The drainage and stability might be controlled by this stratified flow, but we still have to understand if it results from a simple confinement effect or from an interfacially driven micro-phase separation
Cheddadi, Ibrahim. "Modélisation numérique d'écoulements de mousse." Phd thesis, Grenoble, 2010. http://tel.archives-ouvertes.fr/tel-00497436.
Full textZambon, Agnès. "Formulation et caractérisation physique d'un béton léger de mousse et à base d'argile : valorisation des sédiments fins de dragage." Thesis, Bordeaux, 2018. http://www.theses.fr/2018BORD0295/document.
Full textA re-use of dredged sediments as raw material in the process of making of concrete directly onthe site of the dredging is an interesting valorization as regards economy and environment.The present study aims at valuing the thin particles of sediments because they create aproblem in the valorization of dredged sediments. Indeed, the layer structure of the claymakes it prone to react to humidity conditions and confers it an important capacity to retainpolluting agents. To optimize the valued volumes, a total substitution of aggregates in theconcrete by the thin particles of sediments is envisaged. The results from the literature tend tofavor an application in embankment such as the filling between two sheet pile walls, a geotechnical embankment, a quarry embankment. An incorporation of an air-foam made ofanimal protein during the making of the concrete is used to reduce the density of the material(density between 1.1 and 1.3). This material is classified in the category of lightweight foam concrete called by the English abbreviation LWFC (LightWeight Foamed Concrete). In thisstudy the material is named BAMS acronym for “Béton Allégé par l’incorporation d’uneMousse et à base de Sédiments”. The study was realized with a model soil composed of 80%of bentonite clay and 20% of calibrated sand (diameter 0.125mm). The mix design method isbased on the liquidity limit of the soil considering its swelling. The characterization of theBAMS is split into three parts. The first part corresponds to the characterization of the freshstate of the BAMS. It highlights the optimization of the reduction of the density from aquantity of added water with regard to the liquidity limit of the soil. The incorporation of airfoam modifies the characteristics of the fresh state of the material. It improves the workability and delays the setting of cement. The second part corresponds to the mechanical characterization of the BAMS. The added water which optimizes the reduction of the density impacts the mechanical resistance which has to be over 0.5MPa. There is thus an inevitablecompromise between mechanical resistance and density. The possible combinations and themix design to get them have been studied. Non-destructive tests are done to simply check the mechanical performances on construction site. The study of the linear shrinkage highlights an important variation of the dimension of the BAMS. This can be limited by a wet cure. The third part corresponds to the durability by the study of the transfer properties of the BAMS.The results highlight a limited accessibility of the porous network. The release of polluting agents in sediments is estimated by a lixiviation test realized on BAMS made with a model soilartificially polluted (non immersible case). From the results we can conclude on the efficiency of the inerting of polluting agents by the cement treatment and therefore the use of the material is allowed without having an impact on environment (PH14)
Dairon, Jonathan. "Développement d'une nouvelle technique d'élaboration de mousses d'acier par fonderie et caractérisation mécanique." Phd thesis, Ecole Centrale de Lille, 2008. http://tel.archives-ouvertes.fr/tel-00694478.
Full textGarsot, Nikolaz. "Modélisation numérique du comportement mécanique des composites mousse métallique-polymère." Troyes, 2009. http://www.theses.fr/2009TROY0008.
Full textMetal foams have interesting properties for industrial purposes. Still, combining these foams with other materials can greater improve their properties. This work takes part in the development of composites consisted of metal foams and polymers. Its aim is to complete their mechanical and structural characterization which already begun several years ago. The results of this study highlight a strong relationship between the mechanical properties of the composites, the volume fraction, the nature and the morphology of constitutive materials. A model was developed to predict the mechanical behavior of the composites taking into account these interactions. A homogenization method was adopted using elasto-viscoplasticity models with non linear hardening coupled with isotropic ductile damage in the finite deformation framework. After the implementation in ABAQUS via user subroutine, this method was tested in two kinds of compression tests. Good agreements with experimental results were obtained: the macroscopic response, the damage initiation and propagation were correctly predicted. These are very promising for the applications to more complex loading cases by adding thermal and cyclic effects into the model
BLONDIN, EMMANUEL. "Etude experimentale d'une mousse humide en ecoulement en conduite horizontale de section rectangulaire." Nantes, 1999. http://www.theses.fr/1999NANT2096.
Full textBooks on the topic "Moussage physique"
1945-, Mittal K. L., and Kumar Promod, eds. Emulsions, foams, and thin films. New York: Marcel Dekker, 2000.
Find full text(Editor), K. L. Mittal, and Promod Kumar (Editor), eds. Emulsions, Foams, and Thin Films. CRC, 2000.
Find full text