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Soret Measurement for Multi-Component Hydrocarbon Mixtures from Space Experiment Conducted Onboard FOTON M3 Unmanned Satellite

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Abstract:

In an unprecedented experimental investigation, a binary, a ternary and a four-component hydrocarbon mixture at different pressure have been studied in a nearly convection free environment to understand the thermodiffusion process. Experimental investigations of the mixtures have been conducted in space onboard the spacecraft FOTON-M3. The experiment objective was to measure the thermodiffusion coefficient for multi-component hydrocarbon mixtures. Then the experimental results have also been used to test a thermodiffusion model that has been calibrated based on the results of previous experimental investigations. Results showed a good agreement with current theoretical results except for the four-component system where discrepancies were found and discussed.

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Periodical:

Applied Mechanics and Materials (Volume 225)

Pages:

470-474

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.225.470

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Online since:

November 2012

Authors:

M. Ziad Saghir, Seshasai Srinivasan, Stefan Van Vaerenbergh

Keywords:

Diffusion, FOTON M3, International Space Station, Microgravity

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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References

[1] S. SRINIVASAN AND M. Z. SAGHIR, MEASUREMENTS ON THERMODIFFUSION IN TERNARY HYDROCARBON MIXTURES AT HIGH PRESSURE, JOURNAL OF CHEMICAL PHYSICS, VOL 131, 124508, (2009).

DOI: 10.1063/1.3236745

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[2] S. VanVaerenbergh, S. Srinivasan and M. Z. Saghir, Thermodiffusion in Multi-Component Hydrocarbon Mixtures: Experimental Investigations and Computational Analysis, Journal of Chemical Physics, Vol 131, 1, (2009).

DOI: 10.1063/1.3211303

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