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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Absorbing media, interaction phenomena in, Absorption of thermal radiation: Absorption coefficient, Absorption spectra in gases, Absorptivity: Acentric factor: Acetaldehyde: Acetic acid: Acetic anhydride: Acetone: Acetonitrile: Acetophenone: Acetylene: Acetylenes Ackerman correction factor in condensation, Acoustic methods, for fouling mitigation, Acoustic vibration of heat exchangers, Acrolein: Acrylic acid: Active systems for augmentation of heat transfer: Additives: Adiabatic flows, compressible, in duct, Admiralty brass, Advanced models for furnaces, Agitated beds, heat transfer to, Agitated vessels, Ahmad scaling method for critical heat flux in flow boiling of nonaqueous fluids, Air: Air-activated gravity conveyor, Air-cooled heat exchangers: Air preheaters, fouling in, Albedo for single scatter in radiation, Alcohols: Aldehydes: Aldred, D L, Allyl alcohol: Allyl chloride (-chloropropane) Alternating direction (ADR) method, for solution of implicit finite difference equations, Aluminum, spectral characteristics of anodized surfaces, Aluminum alloys, thermal and mechanical properties, Aluminium brass, Ambrose-Walton corresponding states method, for vapour pressure, Amides: Amines: Ammonia: tert-Amyl alcohol: Analogy between heat and mass and momentum transfer Analytical solution of groups, for calculation of thermodynamic Anelasticity, Angled tubes, use in increasing flooding rate in reflux condensation, Aniline: Anisotropy of elastic properties, Annular distributor in shell-and-tube heat exchangers, Annular ducts: Annular (radial) fins, efficiency Annular flow (gas-liquid): Annular flow (liquid-liquid), Annular flow (liquid-liquid-gas), Anti-foulants, Antoine equation, for vapour pressure, Aqueous solutions, as heat transfer media, Arc welding of tubes into tube sheets: Archimedes number, Area of tube outside surface in shell-and-tube heat exchangers: Argon: Arithmetic mean temperature difference, definition, Armstrong, Robert C Aromatics: ASME VIII code, for mechanical design of shell-and-tube heat exchangers: Assisted convection: Attachment, of fouling layers, Augmentation of heat transfer Austenitic stainless steels, Average phase velocity in multiphase flows, Axial flow reboilers, Axial wire attachments, for augmentation of condensation, Azeotropes, condensation of

Index

HEDH
A
Absorbing media, interaction phenomena in, Absorption of thermal radiation: Absorption coefficient, Absorption spectra in gases, Absorptivity: Acentric factor: Acetaldehyde: Acetic acid: Acetic anhydride: Acetone: Acetonitrile: Acetophenone: Acetylene: Acetylenes Ackerman correction factor in condensation, Acoustic methods, for fouling mitigation, Acoustic vibration of heat exchangers, Acrolein: Acrylic acid: Active systems for augmentation of heat transfer: Additives: Adiabatic flows, compressible, in duct, Admiralty brass, Advanced models for furnaces, Agitated beds, heat transfer to, Agitated vessels, Ahmad scaling method for critical heat flux in flow boiling of nonaqueous fluids, Air: Air-activated gravity conveyor, Air-cooled heat exchangers: Air preheaters, fouling in, Albedo for single scatter in radiation, Alcohols: Aldehydes: Aldred, D L, Allyl alcohol: Allyl chloride (-chloropropane) Alternating direction (ADR) method, for solution of implicit finite difference equations, Aluminum, spectral characteristics of anodized surfaces, Aluminum alloys, thermal and mechanical properties, Aluminium brass, Ambrose-Walton corresponding states method, for vapour pressure, Amides: Amines: Ammonia: tert-Amyl alcohol: Analogy between heat and mass and momentum transfer Analytical solution of groups, for calculation of thermodynamic Anelasticity, Angled tubes, use in increasing flooding rate in reflux condensation, Aniline: Anisotropy of elastic properties, Annular distributor in shell-and-tube heat exchangers, Annular ducts: Annular (radial) fins, efficiency Annular flow (gas-liquid): Annular flow (liquid-liquid), Annular flow (liquid-liquid-gas), Anti-foulants, Antoine equation, for vapour pressure, Aqueous solutions, as heat transfer media, Arc welding of tubes into tube sheets: Archimedes number, Area of tube outside surface in shell-and-tube heat exchangers: Argon: Arithmetic mean temperature difference, definition, Armstrong, Robert C Aromatics: ASME VIII code, for mechanical design of shell-and-tube heat exchangers: Assisted convection: Attachment, of fouling layers, Augmentation of heat transfer Austenitic stainless steels, Average phase velocity in multiphase flows, Axial flow reboilers, Axial wire attachments, for augmentation of condensation, Azeotropes, condensation of
B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Vapour Pressure, Enthalpies of Vaporisation and Boiling and Melting Points of Pure Fluids

DOI 10.1615/hedhme.a.000500

5.1 PROPERTIES OF PURE FLUIDS
5.1.3 Vapour pressures, enthalpies of vaporisation and boiling and melting points of pure fluids

A. Introduction

In this section we examine how to estimate vapour pressures, enthalpies of vaporisation and boiling and melting temperatures of pure fluids. These properties play an important role in the design and operation of many chemical and physical processes.

B. Vapour pressure

The work of Boublik et al. (1984) constitutes an excellent source of experimental data for more than 1,000 substances. Data are usually correlated as a function of temperature using either the Antoine equation or the more accurate Wagner equation. The Antoine equation is obtained from the Clapeyron equation and should only be used over the range of temperatures over which the coefficients A, B, and C have been determined. It is usually presented as:

\[\label{eq1} \ln(p/p^0)=A-\dfrac{B}{T+C}\,. \tag{1}\]

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