نتایج جستجو برای: peng robinson equation

تعداد نتایج: 237862  

2013
Han WANG Gang ZHANG Weiyan PENG

Herb-drug interaction strongly limits the clinical utilization of herbs and synthetic drugs. The inhibition of drug metabolism has been widely accepted to be an important reason for herb-drug interaction. The present study aims to investigate the inhibitory potential of herbal component scutellarein towards the metabolism of AZT which is the first U.S. government-approved antiretroviral drug fo...

2004
ELEFTHERIOS PAPOUTSAKIS DORAlSWAMl RAMKRISHNA

Methane-Hydrogen Sulfide System,” AZChE J . , 4, 211 (1958). Modell, M., and R. C. Reid, Thermodynamics and its Applications, Prentice-Hall. Inc., Englewood Cliffs, N. J. (1974). Peng, D.-Y. and D. B. Robinson, “A New Two Constant Equation of State,” Ind. Eng. Chem. Fundament&, 15, 59 (1976). , “A Rigorous Method for Predicting the Critical Properties of Multicomponent Systems from an Equation ...

Journal: : 2023

Carbon dioxide (CO2) flooding is one of the most important and used enhanced oil recovery (EOR) method because it does not only increase efficiency but also as an underground CO2 storage. It considered a very complex involves knowing fluid phase behavior with different concentrations. should be noted that swelling (volume increase) dissolution carbon has significant effect on recovery. When thi...

Journal: :Oil & Gas Science and Technology – Revue d’IFP Energies nouvelles 2021

A new oil–gas Minimum Miscibility Pressure (MMP) calculation algorithm is developed in this work based on the classic cell-to-cell simulation model. The proposed couples effects of capillary pressure and confinement original model to predict MMPs a confined space. Given that relies volume predictions reservoir fluids each cell, volume-translated Peng-Robinson Equation State (PR-EOS) applied for...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1380

در این کار چگونگی مدل کردن رفتار فازی مخوط های گازی نزدیک بحرانی بررسی می شود و با ارائه روشهای حل معادلات اساسی تغییرات سریع و ناگهانی در رفتار فازی این مخلوط ها که در اثر افت فشار بوجود می آید ، پیش بینی می گردد. مدلهایی که برای نواحی دور از بحرانی نوشته شده اند و همچنین بسته های نرم افزارهای موجود مانند ‏‎cmg , eclips‎‏ نمی توانند تغییرات فازی مخلوط ها را در نواحی نزدیک بحرانی پیش گویی کنند ...

Journal: :International Journal of Refrigeration-revue Internationale Du Froid 2021

The knowledge of the phase equilibrium refrigerant mixtures is crucial for optimization production processes molecules, and design energetic systems (heat pumps, Organic Rankine Cycles, …). In this work, different predictive thermodynamic models (COSMO-RS COSMO-SAC-dsp) have been used to determine behavior refrigerants involving alkanes, fluorinated chlorinated compounds. COSMO-RS model leads r...

Journal: :Lithosphere 2021

Abstract An improved phase-partitioning model is proposed for the prediction of mutual solubility in CO2-brine system containing Na+, K+, Ca2+, Mg2+, Cl-, and SO42-. The correlations are computationally efficient reliable, they primarily designed incorporation into a multiphase flow simulator geology- energy-related applications including CO2 sequestration, CO2-enhanced geothermal systems, oil ...

Journal: :Journal of Supercritical Fluids 2021

The isothermal vapor + liquid equilibria of carbon dioxide (E)-2-hexenal (a key apple aroma) was measured using a visual equilibrium cell with an analytic methodology. selected isotherms were (313.2, 323.2 and 333.2) K, the pressures assessed ranged from (2.2–9.8) MPa. thermodynamic consistency experimental data verified, uncertainties molar fractions phases estimated. density dynamic viscosity...

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