The shear convection in the Foton shear cell was investigated quantitatively and interpreted as an additional diffusion-like mixing. Diffusion experiments were done under 1g and μg (Foton-M2 mission June 2005). Since the measured mean square diffusion depth (MSDD) is a linear function of time, the offset represents the additional mass transport (and the averaging effect due to the analysis by Atom Absorption Spectroscopy, AAS). The offset is 1-3% of the MSDD and can be used to eliminate this systematic error. The influence of the liquid's viscosity on the shear convection is discussed, using a simple fluid dynamical model. The absence of buoyancy convection in 1g-experiments was shown by comparison with the μg-result.
|Number of pages||5|
|Journal||Microgravity Science and Technology|
|Publication status||Published - 2006|
ASJC Scopus subject areas
- Engineering (miscellaneous)
- Mechanics of Materials
- Computational Mechanics