Feasibility of Large Free-standing Liquid Films in Space

Details Feasibility of Large Free-standing Liquid Films in Space Feasibility of Large Free-standing Liquid Films in Space

2006-06-30

arxiv.org/abs/cond-mat/0606792v2

Phys. Rev. E 74, 051602 (2006)

Physics

Condensed Matter

Soft Condensed Matter

13 pages

Scientific paper

10.1103/PhysRevE.74.051602

We consider the feasibility of large-scale free-standing thin liquid film experiment in the space environment as a new realization to study two-dimensional hydrodynamics. We identify material and environmental criteria necessary to avoid freezing, evaporation, chemical degradation, and spontaneous collapse of the film. These criteria pose no obstacles to achieving films of kilometer scale and lifetime of many months, with attainable Reynolds number up to 10^7. However, impacts from meteoroids pose a serious threat to the film, and require substantial shielding or unproven self-healing properties in the film. Current theoretical and experimental studies of two-dimensional turbulence are briefly reviewed. We also describe a specific candidate liquid for the film.

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