Consider a specially made capillary, shown in the illustration below, designed for an experiment on the International Space Station. Capillary has a variable diameter and is open at both ends to a cabin pressure at ISS. A perfectly smooth glass walls appear to be completely hydrophobic with respect to a droplet of water positioned In the middle of the capillary. Data R₁=300 [µm]; R₂=295 [um]; L= 0.03 [m]; Mwater-0.001 [Pa s]; Pwater =1000 [kg/m³]; Owater-air=0.072 [N/m]. Illustration PISS N R. Water Droplet L -R₁₂- Capillary is open at both ends. PISS €
Consider a specially made capillary, shown in the illustration below, designed for an experiment on the International Space Station. Capillary has a variable diameter and is open at both ends to a cabin pressure at ISS. A perfectly smooth glass walls appear to be completely hydrophobic with respect to a droplet of water positioned In the middle of the capillary. Data R₁=300 [µm]; R₂=295 [um]; L= 0.03 [m]; Mwater-0.001 [Pa s]; Pwater =1000 [kg/m³]; Owater-air=0.072 [N/m]. Illustration PISS N R. Water Droplet L -R₁₂- Capillary is open at both ends. PISS €
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