Surface tension data of n-propane, n-octane and n-dodecane from nucleation simulations

The Classical Nucleation Theory (CNT) has been a dominant model in understanding the self-assembly of new thermodynamic phases. CNT provides significant explanations to processes such as aerosol formation and cloud condensation. In this work, we generated the nucleation free energy profiles of norma...

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Main Authors: Zamantha Nadir Z. Martin, Imee Su Martinez, Ricky B. Nellas
Format: Article
Language:English
Published: Stockholm University Press 2018-01-01
Series:Tellus: Series B, Chemical and Physical Meteorology
Subjects:
Online Access:http://dx.doi.org/10.1080/16000889.2018.1463807
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author Zamantha Nadir Z. Martin
Imee Su Martinez
Ricky B. Nellas
author_facet Zamantha Nadir Z. Martin
Imee Su Martinez
Ricky B. Nellas
author_sort Zamantha Nadir Z. Martin
collection DOAJ
description The Classical Nucleation Theory (CNT) has been a dominant model in understanding the self-assembly of new thermodynamic phases. CNT provides significant explanations to processes such as aerosol formation and cloud condensation. In this work, we generated the nucleation free energy profiles of normal alkanes (n-propane, n-octane and n-dodecane) at five different temperatures using the grand-canonical version of the nucleation algorithm. From these free energy profiles, characteristic $ \Omega $ ($ \equiv $$ \sigma /\rho ^{2/3} $) values were obtained. Using the density, $ \rho $ values from United-Atom Transferable Potentials for Phase Equilibria (TraPPE-UA) force field and the obtained $ \Omega $ values, we calculated the corresponding surface tension, $ \sigma $ values of these n-alkane systems at different temperatures. Values obtained are within reasonable agreement with experimental data.
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spelling doaj.art-006305feea06407c992cc8ecc449a6182022-12-22T03:02:39ZengStockholm University PressTellus: Series B, Chemical and Physical Meteorology1600-08892018-01-017011510.1080/16000889.2018.14638071463807Surface tension data of n-propane, n-octane and n-dodecane from nucleation simulationsZamantha Nadir Z. Martin0Imee Su Martinez1Ricky B. Nellas2Natural Sciences Research Institute, College of Science, University of the Philippines DilimanNatural Sciences Research Institute, College of Science, University of the Philippines DilimanNatural Sciences Research Institute, College of Science, University of the Philippines DilimanThe Classical Nucleation Theory (CNT) has been a dominant model in understanding the self-assembly of new thermodynamic phases. CNT provides significant explanations to processes such as aerosol formation and cloud condensation. In this work, we generated the nucleation free energy profiles of normal alkanes (n-propane, n-octane and n-dodecane) at five different temperatures using the grand-canonical version of the nucleation algorithm. From these free energy profiles, characteristic $ \Omega $ ($ \equiv $$ \sigma /\rho ^{2/3} $) values were obtained. Using the density, $ \rho $ values from United-Atom Transferable Potentials for Phase Equilibria (TraPPE-UA) force field and the obtained $ \Omega $ values, we calculated the corresponding surface tension, $ \sigma $ values of these n-alkane systems at different temperatures. Values obtained are within reasonable agreement with experimental data.http://dx.doi.org/10.1080/16000889.2018.1463807nucleationAVUSomegasurface tensionphase transition
spellingShingle Zamantha Nadir Z. Martin
Imee Su Martinez
Ricky B. Nellas
Surface tension data of n-propane, n-octane and n-dodecane from nucleation simulations
Tellus: Series B, Chemical and Physical Meteorology
nucleation
AVUS
omega
surface tension
phase transition
title Surface tension data of n-propane, n-octane and n-dodecane from nucleation simulations
title_full Surface tension data of n-propane, n-octane and n-dodecane from nucleation simulations
title_fullStr Surface tension data of n-propane, n-octane and n-dodecane from nucleation simulations
title_full_unstemmed Surface tension data of n-propane, n-octane and n-dodecane from nucleation simulations
title_short Surface tension data of n-propane, n-octane and n-dodecane from nucleation simulations
title_sort surface tension data of n propane n octane and n dodecane from nucleation simulations
topic nucleation
AVUS
omega
surface tension
phase transition
url http://dx.doi.org/10.1080/16000889.2018.1463807
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