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dc.contributor.authorSafa, Yasser-
dc.date.accessioned2018-11-02T09:44:18Z-
dc.date.available2018-11-02T09:44:18Z-
dc.date.issued2011-
dc.identifier.isbn978-1-61761-213-8de_CH
dc.identifier.isbn1-61761-213-8de_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/12511-
dc.description.abstractThe thermodynamic properties of helium at wide range of temperature and pressure are analytically derived from the knowledge of the pair spherical potentials to which quantum corrections are superposed. The double Yukawa potential model is considered to describe the intermolecular attraction and repulsion energies. Low temperature quantum effects are incorporated by using the first order quantum correction of the Wigner-Kirkwood expansion. A fundamental equation of state is formulated including Helmholtz energy as an explicit function of temperature and density. The thermodynamic properties are expressed as an explicit combination of the Helmholtz energy and its derivatives. The obtained values are compared to the thermodynamic data and the Molecular Dynamic calculations, a satisfactory correspondence with simulation results is realized. The feature of helium thermodynamics in the critical region is discussed. Contrary to most previous similar works, the present theory retrieves the main features of the helium at wide temperature and pressure from analytical formulation.de_CH
dc.language.isoende_CH
dc.publisherNova Science Publishersde_CH
dc.relation.ispartofHelium : characteristics, compounds, and applicationsde_CH
dc.rightsLicence according to publishing contractde_CH
dc.subjectHelmholtz energyde_CH
dc.subjectHard spheresde_CH
dc.subjectEquations of statede_CH
dc.subjectThermodynamic propertiesde_CH
dc.subject.ddc530: Physikde_CH
dc.titleHelium thermodynamics, analytical modelde_CH
dc.typeBuchbeitragde_CH
dcterms.typeTextde_CH
zhaw.departementSchool of Engineeringde_CH
zhaw.organisationalunitInstitute of Computational Physics (ICP)de_CH
zhaw.publisher.placeNew Yorkde_CH
zhaw.funding.euNode_CH
zhaw.originated.zhawYesde_CH
zhaw.pages.end208de_CH
zhaw.pages.start191de_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.publication.reviewEditorial reviewde_CH
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Safa, Y. (2011). Helium thermodynamics, analytical model. In Helium : characteristics, compounds, and applications (pp. 191–208). Nova Science Publishers.
Safa, Y. (2011) ‘Helium thermodynamics, analytical model’, in Helium : characteristics, compounds, and applications. New York: Nova Science Publishers, pp. 191–208.
Y. Safa, “Helium thermodynamics, analytical model,” in Helium : characteristics, compounds, and applications, New York: Nova Science Publishers, 2011, pp. 191–208.
SAFA, Yasser, 2011. Helium thermodynamics, analytical model. In: Helium : characteristics, compounds, and applications. New York: Nova Science Publishers. S. 191–208. ISBN 978-1-61761-213-8
Safa, Yasser. 2011. “Helium Thermodynamics, Analytical Model.” In Helium : Characteristics, Compounds, and Applications, 191–208. New York: Nova Science Publishers.
Safa, Yasser. “Helium Thermodynamics, Analytical Model.” Helium : Characteristics, Compounds, and Applications, Nova Science Publishers, 2011, pp. 191–208.


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