This work studies the influence of the electromagnetic radiation of low intesity on the rheologic parameters of water and water solutions of biologically active substance, which plays an important role in energy transforming processes in living organisms. The power spectrum of the thermal fluctuations of the free surface of liquid has been measured using optical heterodyning method which makes it possible to detect the changes in frequency of the light scattered by moving liquid surface. The amplitude, the spectrum of spatial and time frequencies of thermal fluctuations of free surface of a water solution was investigated using optical heteodyning method. The viscosity and the surface tensions in the micro layer of water solution were determined from the obtained results. Water solution was dealt with as a low-viscosity Newtonian liquid in this analysis and was modeled by Navier-Stokes equation and incompressibility equation.

Date Published: 11 December 2002
PDF: 6 pages
Proc. SPIE 4938, Selected Papers from the International Conference on Spectroscopy of Molecules and Crystals, (11 December 2002);

Published in SPIE Proceedings Vol. 4938:
Selected Papers from the International Conference on Spectroscopy of Molecules and Crystals
Galina A. Puchkovska; Sergey A. Kostyukevych, Editor(s)