نتایج جستجو برای: saft equation of state
تعداد نتایج: 21234464 فیلتر نتایج به سال:
The time and Fourier domain Synthetic Aperture Focusing Technique (SAFT and FSAFT) have been used to improve both sensitivity and lateral resolution of ultrasonic NDT. Following acquisition of signals over the surface of the tested piece, SAFT identifies a defect by summing all the signals within a certain area (the aperture) after giving proper time-delays. FSAFT, although using the same data,...
Some new equations of state which are derived for dense fluids in recent years, namely the linear isotherm regularity (LIR), the dense system equation of state (DSEOS), Inm-Song-Mason equation of state (ISM), and a newly derived semi-emperical equation of state have been used to investigate the common intersection point of isobaric expansivity in αp dense fluids. We have shown that the accura...
cognitive studies of translation process have recently been awarded a great deal of attention. there exists a psychological angle to almost all translation activities. the present study, thus, deals with analysing the relationships between iranian prospective translators tolerance for ambiguity (ta) and their willingness to translate (wtt). the research was conducted as a mixed methods study, d...
The performance of the PC-SAFT and I-PC-SAFT EoS in correlating P sat $$ {P}^{sat} , v liq {v}_{liq}^{sat} Δ vap H {\Delta}_{vap}H c {c}_{P, liq}^{sat} critical coordinates 1800 pure compounds that consist 1252 non-self-associating 548 self-associating is evaluated. equation able to reproduce data with a deviation close 1%, which meets highest standards. counterpart however large on pressure. e...
A new simple model is introduced for a liquid and an equation of state is derived based on this model and the statistical mechanical calculations. This equation of state works well for the non-polar and slightly polar liquids. The important conclusion that may be deduced from this equation of state is that if the reduced variables of state are chosen and defined appropriately, then, the pri...
calculate some thermodynamic properties of molten polymers including specific volume and isothermal compressibility (S.M. Hoseini, Physical Chemistry & Electrochemistry, 2 (2014) 56-65). This work extended that EOS to predict the volumetric properties of some molten ethylene copolymers including ethylene/1-octene, ethylene/1-butene (xethylene equal to 0.8543 and 0.563), ethylene/propene. The ab...
In this study, a temperature-dependent of the dispersion coefficients is calculated from equation state.The Lennard-Jones LJ (12-6-3) effective pair potential function and simple thermodynamic argumentwith the input PVT data of liquid metals are used to calculate the dispersion coefficients. The dispersioncoefficients ( , , ) 3 6 12 C C C are found to be a linear function of 1/T1+α , where T is...
A classical density functional theory (cDFT) based on the PC-SAFT equation of state is proposed for calculation adsorption equilibria pure substances and their mixtures in covalent organic frameworks (COFs). Adsorption isotherms methane, ethane, n-butane nitrogen COFs TpPa-1 2,3-DhaTph are calculated compared to results from grand canonical Monte Carlo (GCMC) simulations. Mixture investigated m...
magnetic resonance imaging (mri) is a notable medical imaging technique that makes of phenomenon of nuclear magnetic resonance. because of the resolution and the technology being harmless, mri has considered as the most desirable imaging technique in clinical applications. the visual quality of mri plays an important role in accuracy of medical delineations that can be seriously degraded by exi...
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