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Статті в журналах з теми "Mixture Critical Point"
Wilding, Nigel B. "Critical end point behavior in a binary fluid mixture." Physical Review E 55, no. 6 (June 1, 1997): 6624–31. http://dx.doi.org/10.1103/physreve.55.6624.
Повний текст джерелаSidky, Hythem, Jonathan K. Whitmer, and Dhagash Mehta. "Reliable mixture critical point computation using polynomial homotopy continuation." AIChE Journal 62, no. 12 (June 3, 2016): 4497–507. http://dx.doi.org/10.1002/aic.15319.
Повний текст джерелаTariq, Mohammad, and Vinod Kumar Nema. "Theoretical investigation of a combined Kalina and vapour-absorption cycle." Journal of Energy in Southern Africa 26, no. 1 (March 23, 2015): 113–24. http://dx.doi.org/10.17159/2413-3051/2015/v26i1a2227.
Повний текст джерелаGrine, Hichem, and Hakim Madani. "Method for prediction of liquid-vapor critical points in binary mixtures: geometrical-EOS model." High Temperatures-High Pressures 51, no. 1 (2022): 39–61. http://dx.doi.org/10.32908/hthp.v51.1125.
Повний текст джерелаChan, C. K., W. I. Goldburg, and J. V. Maher. "Light-scattering study of a turbulent critical binary mixture near the critical point." Physical Review A 35, no. 4 (February 1, 1987): 1756–65. http://dx.doi.org/10.1103/physreva.35.1756.
Повний текст джерелаYamamoto, Takao, Motoki Noguchi, Yasuyuki Maki, and Toshiaki Dobashi. "Gel Volume Near the Critical Point of Binary Mixture Isobutyric Acid–Water." Gels 6, no. 3 (September 12, 2020): 30. http://dx.doi.org/10.3390/gels6030030.
Повний текст джерелаTo, Kiwing, and Hyoung J. Choi. "Polymer Conformation near the Critical Point of a Binary Mixture." Physical Review Letters 80, no. 3 (January 19, 1998): 536–39. http://dx.doi.org/10.1103/physrevlett.80.536.
Повний текст джерелаJost, Antoine Michael Diego, Stéphane Glockner, and Arnaud Erriguible. "Direct numerical simulations of fluids mixing above mixture critical point." Journal of Supercritical Fluids 165 (November 2020): 104939. http://dx.doi.org/10.1016/j.supflu.2020.104939.
Повний текст джерелаErmakova, A., and V. I. Anikeev. "Calculation of spinodal line and critical point of a mixture." Theoretical Foundations of Chemical Engineering 34, no. 1 (January 2000): 51–58. http://dx.doi.org/10.1007/bf02757464.
Повний текст джерелаThanh, Luong Duy, and Rudolf Sprik. "Streaming Potential Measurements on the Binary Mixture Triethylamine-Water Near the Demixing Phase Transition." International Journal of Geophysics 2019 (April 22, 2019): 1–8. http://dx.doi.org/10.1155/2019/6067201.
Повний текст джерелаДисертації з теми "Mixture Critical Point"
Ke, Jie. "Critical points of reaction mixtures." Thesis, University of Nottingham, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.252011.
Повний текст джерелаBroseta, Daniel. "Demixtion dans les melanges de polymeres en solution." Paris 6, 1987. http://www.theses.fr/1987PA066287.
Повний текст джерелаGude, Michael Thomas. "The critical properties and near-critical phase behavior of dilute mixtures." Diss., Georgia Institute of Technology, 1993. http://hdl.handle.net/1853/11206.
Повний текст джерелаGastaud, René. "Mise au point d'un système de traitement d'images : application à l'étude des mélanges binaires critiques hors d'équilibre." Paris 6, 1986. http://www.theses.fr/1986PA066345.
Повний текст джерелаAnselme, Marc Joseph. "The critical properties of thermally stable and unstable fluids and dilute fluid mixtures." Diss., Georgia Institute of Technology, 1988. http://hdl.handle.net/1853/11778.
Повний текст джерелаOprisan, Ana. "Fluctuations, Phase Separation and Wetting Films near Liquid-Gas Critical Point." ScholarWorks@UNO, 2006. http://scholarworks.uno.edu/td/435.
Повний текст джерелаClements, Patricia J. "Critical point behaviour in binary and ternary liquid mixtures with particular reference to rheological and interfacial properties in model mixtures for microemulsions." Thesis, University of Sheffield, 1997. http://etheses.whiterose.ac.uk/10187/.
Повний текст джерелаUnni, P. K. Madhavan. "Light Scattering Investigations Near The Critical Point In Some Solvophobic Systems And The Design And Analysis Of A Microkelvin Thermostat For Critical Phenomena Studies." Thesis, Indian Institute of Science, 2006. http://hdl.handle.net/2005/282.
Повний текст джерелаDevailly, Clémence. "Fluctuations thermiques - un outil pour étudier les fluides simples et binaires à l'échelle du micron." Thesis, Lyon, École normale supérieure, 2014. http://www.theses.fr/2014ENSL0976.
Повний текст джерелаPhase transitions near a critical point, or second order phase transitions, are still a recent object of studies because of the large amount of interesting critical phenomena as the critical Casimir force, confinements problems or out of equilibrium phenomena following a quench at the critical point. This thesis experimentally studies phenomena near a critical point. This manuscript is divided in two parts : the first one consists in building several experimental set-up which measure viscosity through thermal fluctuation at micrometric scale. The second part consists in finding and characterize binary mixtures which show a second order phase transition. Preliminary results have been done in these samples. One of the principal points of these experimental set-up are a well regulated temperature, a probe sensitive to thermal fluctuation and/or pN forces and a reproducible binary mixture which presents a critical point easy to reach experimentally. We mounted from an Atomic Force Microscope (AFM) already built in the laboratory, a hanging-fiber probe to measure viscosity of liquids. Despite its weak efficiency as a metrologic probe, we described and developed a mode coupling model which let us understand mechanics of hanging-fiber probes. I also developed in the lab the dynamic differential microscopy technique (DDM) which do measurements with several probes. I discussed about the measure precision with in mind the aim of studying critical fluctuations. For the choice of the sample, we studied several binary mixtures. We characterized them by classical methods as turbidity measurements and static light scattering. These characterizations let us learn about binary mixtures in order to use them in a third experimental set-up : beads trapped in an optical tweezers already built in the lab. We added to it a home-made thermal regulation which can be used with the constraints of optical tweezers. These tests showed an unexpected phenomenon of oscillating phase transition induce by laser. We developed a model to describe it. At last, preliminary experiments with optical tweezers in binary mixtures showed qualitative effects of an approach near a critical point on the viscosity and on interactions between beads as critical Casimir force
Pérez, Pellitero Javier. "Improvement of monte carlo algorithms and intermolecular potencials for the modelling of alkanois, ether thiophenes and aromatics." Doctoral thesis, Universitat Rovira i Virgili, 2007. http://hdl.handle.net/10803/8550.
Повний текст джерелаEn la segunda parte de esta tesis se han desarrollado potenciales del tipo AUA4 para diferentes familias de compuesto que resultan de interés industrial como son los tiofenos, alcanoles y éteres. En el caso de los tiofenos este interés es debido a las cada vez más exigentes restricciones medioambientales que obligan a eliminar los compuestos con presencia de azufre. De aquí la creciente de necesidad de propiedades termodinámicas para esta familia de compuestos para la cual solo existe una cantidad de datos termodinámicos experimentales limitada. Con el fin de hacer posible la obtención de dichos datos a través de la simulación molecular hemos extendido el potencial intermolecular AUA4 a esta familia de compuestos. En segundo lugar, el uso de los compuestos oxigenados en el campo de los biocombustibles ha despertado un importante interés en la industria petroquímica por estos compuestos. En particular, los alcoholes más utilizados en la elaboración de los biocombustibles son el metanol y el etanol. Como en el caso de los tiofenos, hemos extendido el potencial AUA4 a esta familia de compuestos mediante la parametrización del grupo hidroxil y la inclusión de un grupo de cargas electrostáticas optimizadas de manera que reproduzcan de la mejor manera posible el potencial electrostático creado por una molecula de referencia en el vacío. Finalmente, y de manera análoga al caso de los alcanoles, el último capítulo de esta tesis la atención se centra en el desarrollo de un potencial AUA4 capaz de reproducir cuantitativamente las propiedades de coexistencia de la familia de los éteres, compuestos que son ampliamente utilizados como solventes.
Parallel with the increase of computer speed, in the last decade, molecular simulation techniques have emerged as important tools to predict physical properties of systems of industrial interest. These properties are essential in the chemical and petrochemical industries in order to perform process design, optimization, simulation and process control. The actual moderate cost of powerful computers converts molecular simulation into an excellent tool to provide predictions of such properties. In particular, the predictive capability of molecular simulation techniques becomes very important when dealing with extreme conditions of temperature and pressure as well as when toxic compounds are involved in the systems to be studied due to the fact that experimentation at such extreme conditions is difficult and expensive.
Consequently, alternative processes must be considered in order to obtain the required properties. Chemical and petrochemical industries have made intensive use of thermophysical models including equations of state, activity coefficients models and corresponding state theories. These predictions present the advantage of providing good approximations with minimal computational needs. However, these models are often inadequate when only a limited amount of information is available to determine the necesary parameters, or when trying to reproduce complex fluid properties such as that of molecules which exhibit hydrogen bonding, polymers, etc. In addition, there is no way for dynamical properties to be estimated in a consistent manner.
In this thesis, the HR and FSS techniques are combined with the main goal of extending the application of these methodologies to the calculation of the vaporliquid equilibrium and critical point of real mixtures. Before applying the methodologies to the real mixtures of industrial interest, the LennardJones fluid has been taken as a reference model and as a preliminary step. In this case, the predictions are affected only by the omnipresent statistical errors, but not by the accuracy of the model chosen to reproduce the behavior of the real molecules or the interatomic potential used to calculate the configurational energy of the system.
The simulations have been performed in the grand canonical ensemble (GCMC)using the GIBBS code. Liquidvapor coexistences curves have been obtained from HR techniques for pure fluids and binary mixtures, while critical parameters were obtained from FSS in order to close the phase envelope of the phase diagrams. In order to extend the calculations to multicomponent systems modifications to the conventional HR techniques have been introduced in order to avoid the construction of histograms and the consequent need for large memory resources. In addition an alternative methodology known as the fourth order cumulant calculation, also known as the Binder parameter, has been implemented to make the location of the critical point more straightforward. In particular, we propose the use of the fourth order cumulant calculation considering two different possibilities: either the intersection of the Binder parameter for two different system sizes or the intersection of the Binder parameter with the known value for the system universality class combined with a FSS study. The development of transferable potential models able to describe the inter and intramolecular energies of the molecules involved in the simulations constitutes an important field in the improvement of Monte Carlo techniques. In the last decade, potential models, also referred to as force fields, have been developed for a wide range of compounds. One of the most common approaches for modeling hydrocarbons and other flexible molecules is the use of the unitedatoms model, where each chemical group is represented by one LennardJones center. This scheme results in a significant reduction of the computational time as compared to allatoms models since the number of pair interactions goes as the square of the number of sites. Improvements on the standard unitedatoms model, where typically a 612 LennardJones center of force is placed on top of the most significant atom, have been proposed. For instance, the AUA model consists of a displacement of the LennardJones centers of force towards the hydrogen atoms, converting the distance of displacement into a third adjustable parameter. In this thesis we have developed AUA 4 intermolecular potentials for three different families of compounds. The family of ethers is of great importance due to their applications as solvents. The other two families, thiophenes and alkanols, play an important roles in the oil and gas industry. Thiophene due to current and future environmental restrictions and alkanols due ever higher importance and presence of biofuels in this industry.
Частини книг з теми "Mixture Critical Point"
Artemenko, Sergey, Taras Lozovsky, and Victor Mazur. "Critical Lines in Binary Mixtures of Components with Multiple Critical Points." In Metastable Systems under Pressure, 217–32. Dordrecht: Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-3408-3_15.
Повний текст джерелаAlekhin, A. D., S. G. Ostapchenko, D. B. Svydka, and D. I. Malyarenko. "Spectral Kinetic and Correlation Characteristics of Inhomogeneous Mixtures in the Vicinity of the Critical Point of Stratification." In Light Scattering and Photon Correlation Spectroscopy, 441–60. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5586-1_37.
Повний текст джерелаChimowitz, Eldred H. "Scaling Near the Critical Point in Mixture." In Introduction to Critical Phenomena in Fluids. Oxford University Press, 2005. http://dx.doi.org/10.1093/oso/9780195119305.003.0006.
Повний текст джерелаChimowitz, Eldred H. "Solvation in Supercritical Fluids." In Introduction to Critical Phenomena in Fluids. Oxford University Press, 2005. http://dx.doi.org/10.1093/oso/9780195119305.003.0007.
Повний текст джерелаChimowitz, Eldred H. "Critical Behaviour in Confined Systems." In Introduction to Critical Phenomena in Fluids. Oxford University Press, 2005. http://dx.doi.org/10.1093/oso/9780195119305.003.0013.
Повний текст джерелаDaradoumis, Thanasis, and Maria Kordaki. "Employing Collaborative Learning Strategies and Tools for Engaging University Students in Collaborative Study and Writing." In Techniques for Fostering Collaboration in Online Learning Communities, 183–205. IGI Global, 2011. http://dx.doi.org/10.4018/978-1-61692-898-8.ch011.
Повний текст джерелаChimowitz, Eldred H. "The Critical Point in Pure Fluids and Mixtures." In Introduction to Critical Phenomena in Fluids. Oxford University Press, 2005. http://dx.doi.org/10.1093/oso/9780195119305.003.0004.
Повний текст джерелаOriakhi, Christopher O. "Volumetric Analysis." In Chemistry in Quantitative Language. Oxford University Press, 2009. http://dx.doi.org/10.1093/oso/9780195367997.003.0018.
Повний текст джерелаLevelt Sengers, J. M. H., A. H. Harvey, and S. Wiegand. "17 Ionic fluids near critical points and at high temperatures." In Equations of State for Fluids and Fluid Mixtures, 805–47. Elsevier, 2000. http://dx.doi.org/10.1016/s1874-5644(00)80007-7.
Повний текст джерела"Critical Points for a 50:50 Mixture of Chi-Squared Distributions." In Applied Longitudinal Analysis, 669–70. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2018. http://dx.doi.org/10.1002/9781119513469.app3.
Повний текст джерелаТези доповідей конференцій з теми "Mixture Critical Point"
Ling, Ru Piin, Mansoor Hussain, Amin Nizar Razak, Ayham Ashqar, Junirda Jamaludin, and M. Azan A Karim. "Near-Critical Reservoir Fluid Mixture Identification and Phase Behaviour." In International Petroleum Technology Conference. IPTC, 2021. http://dx.doi.org/10.2523/iptc-21288-ms.
Повний текст джерелаBen Rajeb, Faraj, Mohamed Odan, Yan Zhang, Syed Imtiaz, Amer Aborig, and Mohammad Aziz Rahman. "Carbon Dioxide and Water Mixture in Pipeline Flow Systems." In ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/omae2018-77722.
Повний текст джерелаAslanidis, Panagiotis, Dimitris Marinakis, Tina Puntervold, Vasilis Gaganis, and Nikolaos Varotsis. "Density Changes at Supercritical and Near-Critical Conditions by Increasing CO2 Content in Synthetic Hydrocarbon Mixtures – A Comparison Between Experiments and Simulation Predictions." In SPE EuropEC - Europe Energy Conference featured at the 83rd EAGE Annual Conference & Exhibition. SPE, 2022. http://dx.doi.org/10.2118/209663-ms.
Повний текст джерелаSoares, Liliana, Ermanno Aparo, and Rita Assoreira Almendra. "Chapter XX." In Intelligent Human Systems Integration (IHSI 2022) Integrating People and Intelligent Systems. AHFE International, 2022. http://dx.doi.org/10.54941/ahfe100981.
Повний текст джерелаPayri, Francisco, Jose Galindo, Jose Manuel Luja´n, and He´ctor Climent. "Analysis of the Air-Fuel Mixture Control in Natural Gas Fuelled Turbocharged Engines." In ASME 2008 Internal Combustion Engine Division Spring Technical Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/ices2008-1671.
Повний текст джерелаSlavinskaya, Nadezhda A., Anton Zizin, and Manfred Aigner. "On Surrogate Fuel Formulation." In ASME Turbo Expo 2009: Power for Land, Sea, and Air. ASMEDC, 2009. http://dx.doi.org/10.1115/gt2009-60012.
Повний текст джерелаBaik, Seungjoon, and Jeong Ik Lee. "Preliminary Study of Supercritical CO2 Mixed With Gases for Power Cycle in Warm Environments." In ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/gt2018-76386.
Повний текст джерелаDu, Zhongxuan, Wensheng Lin, and Anzhong Gu. "Prediction of Turbulent Convective Heat Transfer to Supercritical CH4/N2 Mixture in a Vertical Circular Tube." In ASME/JSME 2011 8th Thermal Engineering Joint Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajtec2011-44200.
Повний текст джерелаZhang, TieJun, Juan Catano, Evelyn N. Wang, and Michael K. Jensen. "Pre- and Post-Critical Heat Flux Analyses in a Saturated Refrigerant Flow Boiling System." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-85795.
Повний текст джерелаReppas, N., C. Davie, B. Wetenhall, Y. L. Gui, and J. Ma. "Numerical Simulation of Triaxial Experimental Results on Sandstone Using Critical State Mechanics." In 56th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2022. http://dx.doi.org/10.56952/arma-2022-2184.
Повний текст джерела