{"title":"New Formulation for the Viscosity of Isobutane","authors":"S. Herrmann, E. Vogel","doi":"10.1063/1.5057413","DOIUrl":null,"url":null,"abstract":"Thermophysical property data of high standard are urgently requested for industrially important fluids to design more accurately compressors, gas turbines, and gas pipelines as well as cooling cycles and chemical processes. Transport properties, generally and particularly in the region near the critical point, are not known with sufficient accuracy, if compared with thermodynamic properties. For isobutane, the current NIST standard data base REFPROP 9.1 of Lemmon et al. (2013) recommends the viscosity correlation of Vogel et al. (2000) characterized by uncertainties of (3-4)% in its range of validity. This correlation was predicated on an outdated equation of state (EoS) of Younglove and Ely (1987), whereas REFPROP 9.1 recommends the reference EoS of Bücker and Wagner (2006) for the thermodynamic properties of isobutane.","PeriodicalId":16783,"journal":{"name":"Journal of Physical and Chemical Reference Data","volume":" ","pages":""},"PeriodicalIF":4.4000,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1063/1.5057413","citationCount":"3","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Physical and Chemical Reference Data","FirstCategoryId":"5","ListUrlMain":"https://doi.org/10.1063/1.5057413","RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 3
Abstract
Thermophysical property data of high standard are urgently requested for industrially important fluids to design more accurately compressors, gas turbines, and gas pipelines as well as cooling cycles and chemical processes. Transport properties, generally and particularly in the region near the critical point, are not known with sufficient accuracy, if compared with thermodynamic properties. For isobutane, the current NIST standard data base REFPROP 9.1 of Lemmon et al. (2013) recommends the viscosity correlation of Vogel et al. (2000) characterized by uncertainties of (3-4)% in its range of validity. This correlation was predicated on an outdated equation of state (EoS) of Younglove and Ely (1987), whereas REFPROP 9.1 recommends the reference EoS of Bücker and Wagner (2006) for the thermodynamic properties of isobutane.
期刊介绍：
The Journal of Physical and Chemical Reference Data (JPCRD) is published by AIP Publishing for the U.S. Department of Commerce National Institute of Standards and Technology (NIST). The journal provides critically evaluated physical and chemical property data, fully documented as to the original sources and the criteria used for evaluation, preferably with uncertainty analysis. Critical reviews may also be included if they document a reference database, review the data situation in a field, review reference-quality measurement techniques, or review data evaluation methods.
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