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1 edition of Thermodynamic theory of the equation of state for interfacial tensions of solid-liquid systems. found in the catalog.

Thermodynamic theory of the equation of state for interfacial tensions of solid-liquid systems.

Dongqing Li

Thermodynamic theory of the equation of state for interfacial tensions of solid-liquid systems.

by Dongqing Li

  • 380 Want to read
  • 35 Currently reading

Published .
Written in English


The Physical Object
Pagination228 leaves
Number of Pages228
ID Numbers
Open LibraryOL18438801M

Thermodynamic theory of thin liquid films including line tension effects Article in Current Opinion in Colloid & Interface Science 13(3) June with Reads How we measure 'reads'. The effect of interface curvature on phase equilibrium has been much more studied for single-component than multicomponent systems. We isolate the effect of curvature on multicomponent vapor–liquid equilibrium (VLE) phase envelopes and phase composition diagrams using the ideal system methanol/ethanol and the nonideal system ethanol/water as illustrative by:

Recently, R. H. Aranow and L. Witten [J. Chem. Phys. 28, ()] have pointed out that the difference of the work done in bringing a molecule from the interior to the water surface for malonic acid and that for succinic acid is much smaller than the increment to this work for each additional CH 2 group of long chain hydro-carbons with one end group attracted by by: The phase rule. The classification and limitations of phase changes are described by the phase rule, as proposed by the American chemist J. Willard Gibbs in and based on a rigorous thermodynamic relationship. The phase rule is commonly given in the form P + F = C + 2. The term P refers to the number of phases that are present within the system, and C is the minimum number of independent.

In this part of the course the main theoretical achievements in liquid state theory will be outlined. This with range from the original approach of van der Waals (), through the use of correlation functions to describe the properties of fluids (ss), to the more . The non-random two-liquid model (abbreviated NRTL model) is an activity coefficient model that correlates the activity coefficients of a compound with its mole fractions in the liquid phase concerned. It is frequently applied in the field of chemical engineering to calculate phase equilibria. The concept of NRTL is based on the hypothesis of Wilson that the local concentration around a.


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Thermodynamic theory of the equation of state for interfacial tensions of solid-liquid systems by Dongqing Li Download PDF EPUB FB2

Advances in Colloid and Interface Science, 39 () Eisevier Science Publishers B.V., Amsterdam Equation of State for Interfacial Tensions of Solid-Liquid Systems D.

Li and n Department of Mechanical Engineering, University of Toronto Toronto, Ontario, Canada, M5S 1A4 Introduction The surface tensions of the solid-vapour interface and the solid-liquid interface Cited by: Thermodynamic Equations of State.

• Thermodynamic equations of state will lead to an understanding of concepts such as surface tension, etc. • Leads to a knowledge of how to predict the physical property or at least relations between physical properties. Fundamentals of Thermodynamics: • Variables in the lab: P, V, T • First law: dE.

In the equation of state approach, based on the experimental data of the liquid surface tension 3q~ and the contact angle 0, the solid-liquid interfacial tension %z and the solid-vapor surface tension %~ can be determined by combining the Young equation 3qvCOS0 = %v %~ [1] with an equation of state ofinterfaeial tensions in the form %1 = f(rlv, %~).

[2]Cited by: Thermodynamic theory of the equation of state of materials Zh. Tekh. Fiz. 68, 1–9~October. A universal derivation of the thermodynamic equations on the basis of a combined analysis of the exact relations for any material — the virial theorem, the shock adiabat, and the construct the thermodynamics of such systems.

In practice. The theory outlined above supplies a general theorem which restricts the form of the internal energy, and hence the equation of state. The argument is based on the fact that thermodynamic systems in equilibrium are over-determined.

The equation of state describes equilibrium states by: 3. Equation of state of solid, liquid and gaseous tantalum from first principles Article (PDF Available) in Calphad December with 63 Reads How we measure 'reads'. Equation of State Considerations and the Possibility of Negative Solid-Liquid Interfacial Tensions A.

NEUMANN,*'i":~ J. SPELT,* R. SMITH,* D. FRANCIS,* Y. ROTENBERG,* AND D. ABSOLOM*'~' *Department of Mechanical Engineering, University of Toronto, Toron~to, Ontario M5S 1A4, Canada, tlnstitute of Biomedical Engineering, University of Toronto, Toronto, Ontario M5S 1A4, Cited by: (e.g.

a vapor) an interface exists that can be characterized with its area and interfacial tension γ. Several thermodynamic interpretations of γbased on differential equations, see Eqs.

The equation of state proposed by Neumann is used to calculate the surface free energy of a solid by measuring the contact angle with a single liquid with known surface tension. Background According to Young's equation, there is a relationship between the contact angle θ, the surface tension of the liquid σ l, the interfacial tension σ sl between liquid and solid and the surface free energy σ s of the solid.

ditional elements of the proposed thermodynamic theory are the concept of quasi-equilibrium states, a definition of non-equilibrium entropy, a fundamental equation of state in the en-tropy representation, and a fluctuation postulate describing the probability distribution File Size: KB.

Theoretical Approaches for Estimating Solid–Liquid Interfacial Tensions. Elio Moy, Robert David, A Neumann. Thermodynamic Study of the Role of Interface Curvature on Multicomponent Vapor–Liquid Phase Equilibrium The most widely used methods are the surface component (STC) theory and the equation of state (EQS) approach.

Several Cited by: the associated perturbed anisotropic chain theory APACT. equation of state. Advances in statistical mechanics and an increase of com-puter power have allowed the development of equations of state based on molecular principles that are accurate for real fluids and mixtures.

Using Wertheim’s theory. The interfacial tension calculations, based on the Peng-Robinson equation of state and related models for the influence parameter, are presented. Laboratory as well as field studies have established that carbon dioxide is an efficient oil-displacing agent in enhanced oil by: The surface tension components theory (STC theory) assumes that the interfacial energy consists of combinations of different components that are unique for each interface.

The equation of state approach (EQS theory) proposes that there are strong links between the various interfacial by: A general equation is presented for the interfacial tension as a function of temperature and pressure over the range studied, and the constants are given for each data were obtained by.

This form of eqn. (3) is necessary in analysis of another equilibrium Thermodynamic theory of surface tension in solutions of linear polymer homologues which is peculiar only to fairly flexible chains, when at least one of the phases is a highly concentrated solution of polymer or pure by: 1.

According to MEA theory, for a given batch adsorption reaction under the same thermodynamic conditions, when the reaction is conducted through different kinetic pathways (1-batch/multi-batch), different MEA states (rather than a unique ideal equilibrium state) could be reached when the reaction reaches an apparent equilibrium (within the Author: Gang Pan, Guangzhi He, Meiyi Zhang.

The equation of state assumes that the interfacial liquid–solid surface tension depends on the surface tension of the liquid and solid only.

The interface surface tension was obtained by curve fitting with contact angle data and adjustable by: 6. Solid surface tension: The interpretation of contact angles by the equation of state approach and the theory of surface tension components J. Spelt, D. Absolom, and A. Neumann Langmuir,2 (5), pp –Cited by: INTRODUCTION existed between solid–liquid interfacial tensions and f, The equation of state approach for interfacial tensions, f†0ag ij /b, [3] originated by Neumann and co-workers(1–3), isbased on macroscopic thermodynamics.

This equation can be formu- where aand bare empirical constants. lated from contact angle data on low-energy solids. Thermodynamic Stability of Interfacial Gaseous States Article in The Journal of Physical Chemistry B (44) November with 20 Reads How we measure 'reads'.In physics and thermodynamics, an equation of state is a thermodynamic equation relating state variables which describe the state of matter under a given set of physical conditions, such as pressure, volume, temperature (PVT), or internal energy.

Equations of state are useful in describing the properties of fluids, mixtures of fluids, solids, and the interior of stars.CHEMICAL ENGINEERING AND CHEMICAL PROCESS TECHNOLOGY- Thermodynamic Properties and Models for Engineering Application - Georgios M.

Kontogeorgis ©Encyclopedia of Life Support Systems (EOLSS) 1. Introduction – Importance of Thermodynamic Properties The foundations of thermodynamics are its laws, which are the soundest theory, never so.