Space Sciences

The draining of capillary liquids from containers with interior corners aboard the ISS

J. Mccraney, M. Weislogel, et al.

This study investigates liquid drains from containers in zero-g aboard the ISS, utilizing archived NASA video data from 2010-2015 to quantify flow dynamics. This pioneering research by Joshua McCraney, Mark Weislogel, and Paul Steen validates lubrication models, demonstrating critical insights into fluid behavior in microgravity.

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Abstract

This work analyzes liquid drains from containers in effective zero-g conditions aboard the International Space Station (ISS). The study digitizes hours of archived NASA video records from experiments conducted between 2010-2015 to quantify transient interface profiles and volumetric flow rates during single exit port draining flows from containers with interior corners. The data is benchmarked against lubrication models for slender flows, validating some geometry-dependent dynamical interface curvature boundary conditions while invalidating others. All analyzed data is publicly available as MATLAB files.

Publisher

npj Microgravity

Published On

Nov 11, 2021

Authors

Joshua McCraney, Mark Weislogel, Paul Steen

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