NASA NTRS · 19880000237
Photochromic Polyaphrons For Visualization Of Flow
Abstract
Drops of ultraviolet-activated dyes encapsulated in liquid films reveal flow patterns. Method based on visualization material composed of polyaphrons containing photochromic dye. Polyaphrons are droplets of organic liquid encapsulated in thin layer of another liquid, which holds droplets stably by surface tension. Photochromic dye within a polyaphron acquires color temporarily after exposure to strong ultraviolet light.
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Subbaraman, M. R., Ostermier, B. J.. 1988-04-01. Photochromic Polyaphrons For Visualization Of Flow. https://ntrs.nasa.gov/citations/19880000237
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