Journal
EUROPEAN PHYSICAL JOURNAL E
Volume 38, Issue 4, Pages -Publisher
SPRINGER
DOI: 10.1140/epje/i2015-15030-7
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Funding
- European Space Agency [AO-2009-0858/1056]
- Russian Space Agency (Roscosmos)
- Deutsche Forschungsgemeinschaft [KO1541/9-2]
- DLR [50WM1130]
- Basque Government [IE14-391, IT557-10, BFI-2011-295]
- Canadian Space Agency
- FGUP TSNIIMASH
- Wallonie-Bruxelles International, Belgium
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With the aim of providing reliable benchmark values, we have measured the Soret, thermodiffusion and molecular diffusion coefficients for the ternary mixture formed by 1,2,3,4-tetrahydronaphthalene, isobutylbenzene and n-dodecane for a mass fraction of 0.8-0.1-0.1 and at a temperature of 25 degrees C. The experimental techniques used by the six participating laboratories are Optical Digital Interferometry, Taylor Dispersion technique, Open Ended Capillary, Optical Beam Deflection, Thermogravitational technique and Sliding Symmetric Tubes technique in ground conditions and Selectable Optical Diagnostic Instrument (SODI) in microgravity conditions. The measurements obtained in the SODI installation have been analyzed independently by four laboratories. Benchmark values are proposed for the thermodiffusion and Soret coefficients and for the eigenvalues of the diffusion matrix in ground conditions, and for Soret coefficients in microgravity conditions.
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