Communications - Scientific Letters of the University of Zilina 2006, 8(1):19-21 | DOI: 10.26552/com.C.2006.1.19-21

Methods of Determination of the Sign of the Thermo-Diffusion Coefficient in Dispersed Liquids

Ctibor Musil1, Julius Stelina1
1 Department of Physics, Faculty of Electrical Engineering, Zilina University, Slovak Republic

In this paper three methods of determination of the sign of the thermo-diffusion coefficient (Soret constant) are presented. The first method uses the relation for Soret constant which was derived from the thermo-diffusion equation. This relation permits determination of the sign of the Soret constant as well as its approximate value. The second method is based on the time dependence of the decay of the created diffraction grating. The last method is based on the measurement of the transmission of light by the dispersion liquid.

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Published: March 31, 2006  Show citation

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Musil, C., & Stelina, J. (2006). Methods of Determination of the Sign of the Thermo-Diffusion Coefficient in Dispersed Liquids. Communications - Scientific Letters of the University of Zilina, 8(1), 19-21. doi: 10.26552/com.C.2006.1.19-21
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    References

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    2. DE GANS, B., KITA, R., WIEGAND, S., LUETTMER-STRATHMANN, J.: Phys. Rev., Lett. 91, 2455501, 2003 Go to original source...
    3. ŠTELINA, L., MUSIL, C.: Metod for specification sign and value of Soret constant factor in colloid fluids (in Slovak), ADVANCES in Electrical and Electronic Engineering, ŽU, No.1, Vol. 3/2004, Žilina, pp. 55-58
    4. ŠTELINA, J., MUSIL, C., BRACINÍK, J., KOPČANSKÝ, P., TIMKO, M., KONERACKÁ, M.: Influence of the sign of Soret constant on the formation and decay of the nanoparticle structures in dispersion fluids, 11th International Workshop on APCOM, Malá Lučivná, 2005, pp. 230-234
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