Littérature scientifique sur le sujet « Liquid diffusion length »
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Articles de revues sur le sujet "Liquid diffusion length"
Khrapak, Sergey A. « Self-Diffusion in Simple Liquids as a Random Walk Process ». Molecules 26, no 24 (11 décembre 2021) : 7499. http://dx.doi.org/10.3390/molecules26247499.
Texte intégralPham Huu, Kien, Linh Nguyen Hong, Hien Pham Xuan, Linh Nguyen Thi Thuy, Quang Phan Dinh et Trang Giap Thi Thuy. « Molecular dynamics simulation for structural heterogeneity and diffusion process in liquid GeO2 ». Journal of Science Natural Science 66, no 1 (mars 2021) : 42–48. http://dx.doi.org/10.18173/2354-1059.2021-0005.
Texte intégralSenn, S. M., et D. Poulikakos. « Multiphase Transport Phenomena in the Diffusion Zone of a PEM Fuel Cell ». Journal of Heat Transfer 127, no 11 (20 juin 2005) : 1245–59. http://dx.doi.org/10.1115/1.2039108.
Texte intégralDong, F. T., Xiang Yi Xue, Hong Chao Kou, Jun Wang, C. X. Niu et J. S. Li. « Diffusion Bonding of Fe-Based Amorphous Ribbon to Crystalline Cu ». Materials Science Forum 745-746 (février 2013) : 788–92. http://dx.doi.org/10.4028/www.scientific.net/msf.745-746.788.
Texte intégralPratt, F. L., F. Lang, S. J. Blundell, W. Steinhardt, S. Haravifard, S. Mañas-Valero, E. Coronado, B. M. Huddart et T. Lancaster. « Studying spin diffusion and quantum entanglement with LF-µSR ». Journal of Physics : Conference Series 2462, no 1 (1 mars 2023) : 012038. http://dx.doi.org/10.1088/1742-6596/2462/1/012038.
Texte intégralGomez, Houari Cobas, Jéssica Gonçalves da Silva, Jocasta Mileski Machado, Bianca Oliveira Agio, Francisco Jorge Soares de Oliveira, Antonio Carlos Seabra et Mario Ricardo Gongora-Rubio. « LTCC 3D FLOW FOCALIZATION DEVICE FOR LIQUID-LIQUID PARTIAL SOLVENT EXTRACTION ». Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT) 2016, CICMT (1 mai 2016) : 000111–17. http://dx.doi.org/10.4071/2016cicmt-wa23.
Texte intégralZhang, Guoyan, Shengyong Liu, Jie Lu, Jiong Wang et Yongtao Ma. « Numerical Simulation of Diffusion Absorption Refrigerator ». E3S Web of Conferences 233 (2021) : 01044. http://dx.doi.org/10.1051/e3sconf/202123301044.
Texte intégralWard, P., N. Collings et N. Hay. « A Comparison of Simple Models of Turbulent Droplet Diffusion Suitable for Use in Computations of Spray Flames ». Journal of Engineering for Gas Turbines and Power 107, no 3 (1 juillet 1985) : 690–94. http://dx.doi.org/10.1115/1.3239790.
Texte intégralSuwannakham, Parichart, et Kritsana Sagarik. « Dynamics of structural diffusion in phosphoric acid hydrogen-bond clusters ». RSC Advances 7, no 35 (2017) : 21492–506. http://dx.doi.org/10.1039/c7ra01829k.
Texte intégralJüngling, E., K. Grosse et A. von Keudell. « Propagation of nanosecond plasmas in liquids—Streamer velocities and streamer lengths ». Journal of Vacuum Science & ; Technology A 40, no 4 (juillet 2022) : 043003. http://dx.doi.org/10.1116/6.0001669.
Texte intégralThèses sur le sujet "Liquid diffusion length"
Sachi, Savya. « Coupling solidification model with CALPHAD data for the prediction of macrosegregation and solidification structures ». Electronic Thesis or Diss., Université de Lorraine, 2022. http://www.theses.fr/2022LORR0086.
Texte intégralThe present work aims at refining existing models in SOLID® by developing capabilities for improved prediction of the solidification process. Multiphase solidification models incorporate transport equations, which are closed by interphase transfer terms that are governed by microscopic constitutive relationships. These analytical relationships rely on the accurate representation of the microstructural phenomena such as the grain morphology and solute profile in the phases, along with the assumptions of diffusion-controlled solidification with thermodynamic equilibria at the solid-liquid interfaces. This work focuses on two aspects: i) coupling solidification model with the thermodynamics of multicomponent alloys and ii) incorporating a new liquid diffusion length model for improved prediction of solute profile in the liquid phase. A methodology is proposed for incorporating phase diagram data into multiphase volume average solidification models. Previous instances of coupling the model with thermodynamic software packages include direct coupling with the software and a tabulation and interpolation technique. Direct coupling is time-consuming, whereas the tabulation approach becomes infeasible with increasing number of components in the system. We present a novel approach of using Artificial Neural Networks - Multi-layer perceptron (ANN-MLP) on tabulated thermodynamic data to obtain regression relationships, which can be easily coupled with the solidification model. This approach is computationally much more efficient than the above mentioned methods. The coupling procedure is described and validated with Thermo-Calc® Scheil solidification. Further simulations were performed on the Hebditch & Hunt benchmark case as well as an industrial ingot. Results obtained from the model, while improving the segregation prediction, also highlight the critical phase diagram parameters which help us propose modified values of these parameters for simulations which assume them to be constant. Secondly, the liquid diffusion length relationship proposed by Martorano et al. was extended to account for liquid convection. Simulation of the industrial ingot with the new diffusion length relationship shows significant impact on the grain size and grain morphology
Chahine, Gilbert. « Propriétés remarquables et dynamique lente de cristaux liquides nanoconfinés ». Rennes 1, 2010. http://www.theses.fr/2010REN1S200.
Texte intégralThe effects of quenched disorder were widely studied on second order transitions of confined complex fluids such as liquid crystals. Meanwhile they a still poorly understood in the case of first order transformations. In this work, we study the structural and dynamical properties of bulk and confined 12CB in matrices with unidirectional porosity. We show that confinement in porous alumina does not affect the first order isotropic-smectic transition; although, a transition of smectic configuration appears after a crystallization/melting cycle. On the contrary, we demonstrate that the effects of quenched disorder, induced by the roughness of silicon pore surface, replaces the transition by a continuous growth of a short range ordered smectic phase. However, this strong anisotropic disorder does not switch off completely the first order character of the transition where a nematic-smectic coupling remains strong. Moreover, we show that in the bulk, local dynamics dominate in the probed time window. In silicon and silica pores, we revealed weak effects of slowing down and heterogeneity of molecular dynamics which are mainly influenced by interfacial effects
Lettat, Abdelkader. « Adsorption multi-composant dans les zéolithes. Caractérisation par méthode cyclique de la co-diffusion d'isomères mono- et di-branchés de l'hexane sur silicalite en présence d'un composé à cinétique lente ». Thesis, Vandoeuvre-les-Nancy, INPL, 2008. http://www.theses.fr/2008INPL099N/document.
Texte intégralThe aim of this work is to develop a new experimental method in order to determine simultaneously co-diffusion coefficients in zeolites for mixtures of single- and di-branched C6 paraffins, with totally different diffusion kinetics. The species are 2- and 3-methyl-pentane (2MP and 3MP) and 2-2- and 2-3-dimethyl-butane (22DMB and 23DMB) and the adsorbent is a silicalite. This method is based on the output measurement of an adsorbent column subjected to cyclic variations of its input concentration. The analysis of the mixture experimental breakthrough curves, on several cycles, is carried out using a mathematical model, based on Maxwell-Stefan theory of multi-component diffusion, allowing an estimation of thermodynamic and kinetic parameters. The experimental conditions are close to industrial constraints, i.e. at very high adsorption loading, and in the liquid phase (185°C and 35 bars). This requires to develop a modified Maxwell-Stefan diffusion model, applied to the "Dusty Gas Model", including volume constraints in the crystal which implies to redefine the adsorbent saturation. Moreover, while preserving the simplicity of the "Single File Diffusion" model (no counter-diffusion), a relative volumetric flow of the solid is taken into account, allowing to ensure the independence of the diffusion coefficient of each component in the adsorbent. The Maxwell-Stefan diffusion coefficients for the different isomers, obtained from breakthrough curves simulations – on one cycle for fast diffusing species and several cycles for slow molecules – are in the sequence : D3MP ˜ D2MP, > D23DMB > D22DMB, with a difference of three orders of magnitude between 3MP and 22DMB. This implies that a separation process based on kinetic selectivity can be considered. The cyclic breakthrough experiments, allowing a better characterization of the system, highlight a very slow accumulation of the 22DMB isomer during cycles for specific operating conditions, which may be undetectable on a small number of cycles and on the profiles of the other components.. This phenomenon involves a decrease of the adsorbent performances, in terms of capacity as well as selectivity
Chapitres de livres sur le sujet "Liquid diffusion length"
Doraiswamy, L. K. « Microphase-Assisted Reaction Engineering ». Dans Organic Synthesis Engineering. Oxford University Press, 2001. http://dx.doi.org/10.1093/oso/9780195096897.003.0032.
Texte intégralActes de conférences sur le sujet "Liquid diffusion length"
Kockmann, Norbert, Michael Engler, Claus Fo¨ll et Peter Woias. « Liquid Mixing in Static Micro Mixers With Various Cross Sections ». Dans ASME 2003 1st International Conference on Microchannels and Minichannels. ASMEDC, 2003. http://dx.doi.org/10.1115/icmm2003-1121.
Texte intégralIshii, Eiji, Toru Ishikawa et Yoshiyuki Tanabe. « Simulation of Liquid Jet Breakup Using a Combination of Particle and Grid Methods ». Dans ASME 2005 Fluids Engineering Division Summer Meeting. ASMEDC, 2005. http://dx.doi.org/10.1115/fedsm2005-77001.
Texte intégralKissick, Sean M., et Hailei Wang. « Numerical Modeling for a Supercritical CO2-Liquid Sodium Hybrid Compact Heat Exchanger ». Dans ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-86682.
Texte intégralRaju, Mandhapati P., et James S. T’ien. « Heat and Mass Transports in Porous Wicks Driven by a Gas-Phase Diffusion Flame ». Dans ASME 2005 Summer Heat Transfer Conference collocated with the ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems. ASMEDC, 2005. http://dx.doi.org/10.1115/ht2005-72202.
Texte intégralSasabe, Takashi, Shohji Tsushima, Shuichiro Hirai, Katsunori Minami et Keiji Yada. « Liquid Water Visualization in an Operating PEMFC by Soft X-Ray Radiography ». Dans ASME 2009 7th International Conference on Fuel Cell Science, Engineering and Technology. ASMEDC, 2009. http://dx.doi.org/10.1115/fuelcell2009-85135.
Texte intégralKawaguchi, Tatsuya, Yasuhiko Sakai, Kouji Nagata, Osamu Terashima et Shoichi Takaku. « Characteristics of the Scalar Field in a Turbulent Liquid Jet and a Fundamental Study on the Micro Scale Concentration Measurements by the Optical Fiber LIF Method ». Dans ASME-JSME-KSME 2011 Joint Fluids Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajk2011-21015.
Texte intégralFranc¸ais, Olivier, Marie Caroline Jullien, Lionel Rousseau, Patrick Poulichet, Serge Desportes, Jean Pierre Lefevre, Assia Chouai et Jacques Delaire. « A Thermally-Driven Micromixer Based on Fluid Volume Variation ». Dans ASME 8th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2006. http://dx.doi.org/10.1115/esda2006-95276.
Texte intégralPremasiri, A., G. Happawana et A. Rosen. « Porous Media Tumor Model for Light Penetration and Oxygen Diffusion During Photodynamic Therapy ». Dans ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-66480.
Texte intégralCai, Qingjun, Chialun Tsai, Jeff DeNatale et Chung-Lung Chen. « Fluid Mixing in Micro Scale Channel Patterned Hydrophobic/Hydrophilic Surface ». Dans ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-13739.
Texte intégralGraham, Owen, Nicholas Magina, A. J. Wickersham, Fei Han, Sebastiano Sorato et Sven Bethke. « Thermo-Acoustic Analysis of a Realistic Liquid-Fueled GT Combustor ». Dans ASME Turbo Expo 2019 : Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/gt2019-91547.
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