期刊
JOURNAL OF CELLULAR PLASTICS
卷 39, 期 2, 页码 133-153出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/0021955X03039002004
关键词
blowing agents; fluoroalkanes; mixture; R365mfc; thermal conductivity; transient hot-wire method
The thermal conductivity of mixtures of R365mfc (1,1,1,3,3-pentafluorobutane), with R134a (1,1,1,2-tetrafluoroethane) and cyclopentane were measured using a transient hot-wire method, in the pressure range between 0.1013 and 0.7 MPa and temperatures between 311 and 413K. The composition of the measured mixtures was 93.0% R365mfc + 7.0% R134a (kg/ kg), 27.0% R365mfc+73.0% R134a (kg/kg) and 62.8% R365mfc + 37.2% Cyclopentane (kg/kg). The Wassiljewa mixing rules modified by Mason and Saxena and the Extended Corresponding States Theory were used to correlate and to predict the experimental results obtained, with an average absolute deviation of 1.8 and 10%, respectively.
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