3 articles for “Microgravity”

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Research ArticleOpen accessEvery word in the titleENHANCED CAPILLARY RISE OF WETTING LIQUIDS IN REDUCED GRAVITATIONAL SHIELDING UNDER MICROGRAVITY CONDITIONSGeorge D. Zouganelis, Ioannis Gkigkitzis, Ioannis HaranasWe study the capillary rise of wetting in liquids by slightly modifying Ponomarenko’s result, a recently derived and observed t1/3 law, without omitting the corresponding gravity term and therefore we find hnew (t)≅0.9085hPon (t) instead, which corresponds to a 9% difference. Furthermore, in order to examine the effect of corrected gravity, we extend the result on the surface of a … …Physics International, Vol. 5, Issue 2 · 21 Jun 2014 · 7,900 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleMathematical Modeling of Wastewater Oxidation under Microgravity ConditionsBoyun Guo, Donald W. Holder, David S. SchechterVolatile removal assembly (VRA) is a module installed in the International Space Station for removing contaminants (volatile organics) in the wastewater produced by the crew. The VRA contains a slim pack bed reactor to perform catalyst oxidation of the wastewater at elevated pressure and temperature under microgravity conditions. Optimal design of the reactor requires a thorough understanding about how the … …American Journal of Applied Sciences, Vol. 2, Issue 2 · 28 Feb 2005 · 6,888 accessesView PDF Cite

Research ArticleOpen accessIn the abstractTrajectory Optimization for First Human Asteroid Exploration MissionAtiksha Sharma, Santosh KosambeAfter the successful completion of robotic expeditions on Mars, an ultimate goal was set for space fairing nations and agencies around the world to send astronauts to Mars by 2030. Unfortunately, a mission to Mars would last upwards for years meanwhile several asteroids fly close to the Earth. A manned trip to an asteroid would be a valuable stepping stone … …Journal of Aircraft and Spacecraft Technology, Vol. 4, Issue 1 · 8 Aug 2020 · 6,433 accessesView PDF Cite