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Investigation of the Soret effect in binary liquid mixtures by thermal-diffusion-forced Rayleigh scattering (contribution to the benchmark test)

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons48293

Leppla,  C.
MPI for Polymer Research, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons48998

Wiegand,  Simone
MPI for Polymer Research, Max Planck Society;

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Zitation

Leppla, C., & Wiegand, S. (2003). Investigation of the Soret effect in binary liquid mixtures by thermal-diffusion-forced Rayleigh scattering (contribution to the benchmark test). Philosophical Magazine, 83(17-18), 1989-1999.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-000F-6337-3
Zusammenfassung
Within the framework of an international benchmark test we have performed measurements of the transport coefficients ST (Soret coefficient), D (mutual diffusion coefficient) and DT (thermal diffusion coefficient) on the three binary organic liquid mixtures 1,2,3,4-tetrahydronaphthalene-n-dodecane, 1,2,3,4-tetrahydronaphthalene-isobutylbenzene and isobutylbenzene-n-dodecane with the weight fraction c = 0.5 at T = 298.15 K by means of thermal-diffusion-forced Rayleigh scattering (TDFRS) for benchmarking purposes. Our results for the coefficients are in good agreement with those obtained by annular and parallelepipedic thermogravitational columns and by other benchmark tests which also apply TDFRS measurements.