Mixing Rules
Mostrando 1-12 de 17 artigos, teses e dissertações.
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1. PHASE BEHAVIOR DATA AND THERMODYNAMIC MODELING OF THE BINARY SYSTEM {CO2 + COUMARIN} AT HIGH PRESSURES
Abstract In this work, vapor - liquid (VLE) equilibrium for the binary system carbon dioxide (1) + coumarin (2) at high pressures was measured by a static synthetic method using a variable-volume view cell. Experimental data were obtained in the temperature range of 318 - 338 K and pressures up to 20 MPa. Coumarin molar fraction ranged from 3.0x10-3 to 6.0x1
Braz. J. Chem. Eng.. Publicado em: 30/09/2019
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2. Composition, Elastic Property and Packing Efficiency Predictions for Bulk Metallic Glasses in Binary, Ternary and Quaternary Systems
The results of database based on the efficiency packed model for metallic glasses. The database contains the atomic radii information as well as elastic properties of the most commonly used alloying elements, permitting composition, packing efficiency and elastic property predictions to be made for binary, ternary and quaternary bulk metallic glasses. Twenty
Mat. Res.. Publicado em: 08/03/2016
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3. Performance of predictive models in phase equilibria of complex associating systems: PC-SAFT and CEOS/GE
Cubic equations of state combined with excess Gibbs energy predictive models (like UNIFAC) and equations of state based on applied statistical mechanics are among the main alternatives for phase equilibria prediction involving polar substances in wide temperature and pressure ranges. In this work, the predictive performances of the PC-SAFT with association c
Braz. J. Chem. Eng.. Publicado em: 2013-03
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4. Representação de mistura de petróleos com abordagem composicional / Representation of petroleum mixture with composicional approach
In recent years, with the increasing complexity of production projects requires that the numerical flow simulators are able to simulate new situations and production scenarios. In the case of convergence points where two or more fluids with different characterizations are mixed and represented by a compositional approach, the numerical representation it beco
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 02/08/2012
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5. A prova no processo penal frente a estratégias da política jurídica: uma abordagem crítica / The proof in criminal proceedings against the strategies of Legal Policy: a critical approach.
This dissertation has as object to analyze aspects of the Brazilian Code of criminal procedure and its correlation with the Beddings of the Legal Politics, in face of the consecrated accusatory system in the Constitution of the Federative Republic of Brazil of 1988 and further sources of basic rights. Throughout the work it was identified that the process of
Publicado em: 2010
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6. CinBalada: a multiagent rhythm factory
CinBalada is a system for automatic creation of polyphonic rhythmic performances by mixing elements from different musical styles. This system is based on agents that act as musicians playing percussion instruments in a drum circle. Each agent has to choose from a database the rhythm pattern of its instrument that satisfies the "rhythmic role" assigned to hi
Journal of the Brazilian Computer Society. Publicado em: 2008-09
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7. Prediciton of high-pressure vapor liquid equilibrium of six binary systems, carbon dioxide with six esters, using an artificial neural network model
Artificial neural networks are applied to high-pressure vapor liquid equilibrium (VLE) related literature data to develop and validate a model capable of predicting VLE of six CO2-ester binaries (CO2-ethyl caprate, CO2-ethyl caproate, CO2-ethyl caprylate, CO2-diethyl carbonate, CO2-ethyl butyrate and CO2-isopropyl acetate). A feed forward, back propagation n
Brazilian Journal of Chemical Engineering. Publicado em: 2008-03
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8. Supercritical CO2 recovery of caffeine from green coffee oil: new experimental solubility data and modeling
The caffeine solubility in supercritical CO2 was studied by assessing the effects of pressure and temperature on the extraction of green coffee oil (GCO). The Peng-Robinson¹ equation of state was used to correlate the solubility of caffeine with a thermodynamic model and two mixing rules were evaluated: the classical mixing rule of van der Waals with two ad
Química Nova. Publicado em: 2008
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9. Um estudo numérico de otimização estocástica aplicada à estimação de parâmetros de modelos termodinâmicos / A numerical study in stochastic optimization applied to parameter estimation of thermodynamic models
Neste trabalho foi estudado o problema de estimação de parâmetros de modelos termodinâmicos (particularmente, parâmetros de interação binária de regras de mistura de equações de estado cúbicas) utilizando um algoritmo estocástico de otimização global o algoritmo de Luus e Jaakola. O procedimento de otimização foi acoplado a um algoritmo de so
Publicado em: 2008
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10. Rastreabilidade de soja Roundup Ready® em produtos agrícolas e derivados: produção de materiais de referência e uso de marcadores AFLP / Roundup Ready® transgenic soybean traceability in agrifood products and derivatives: reference materials production and the use of AFLP markers
The introduction of soybean transgenic cultivars brought several changes in both world trade and regulation rules for producers and consumers, mainly in relation to certification, traceability, biosafety and labeling. Soybean is one of the largest commodities in the world trade and responsible for half of the Brazilian export incomings, present as raw materi
Publicado em: 2008
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11. Modification of Sako-Wu-Prausnitz equation of state for fluid phase equilibria in polyethylene-ethylene systems at high pressures
In order to model phase equilibria at all pressures, it is necessary to have an equation of state. We have chosen the Sako-Wu-Prausnitz cubic equation of state, which had shown some promising results. However, in order to satisfy our demands, we had to modify it slightly and fit new pure component parameters. New pure component parameters have been determine
Brazilian Journal of Chemical Engineering. Publicado em: 2006-09
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12. Experimental vapor-liquid equilibria data for binary mixtures of xylene isomers
Separation of aromatic C8 compounds by distillation is a difficult task due to the low relative volatilities of the compounds and to the high degree of purity required of the final commercial products. For rigorous simulation and optimization of this separation, the use of a model capable of describing vapor-liquid equilibria accurately is necessary. Neverth
Brazilian Journal of Chemical Engineering. Publicado em: 2005-09