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Dedicated Slosh Dynamics Experiment on ISS using SPHERES (Advanced Space Operations in CR) Project

Summary

Type of release
a one-off release of a single dataset

Data Licence
Not Applicable

Content Licence
Creative Commons CCZero

Verification
automatically awarded

Release Date
9 April 2015
Modified Date
8 July 2015
Publishers
National Aeronautics and Space Administration
Keywords
active, kennedy-space-center, project
Identifier
dedicated-slosh-dynamics-experiment-on-iss-using-spheres-advanced-space-operations-in-cr-p
Landing Page
http://techport.nasa.gov/view/11713
Maintainers
Stephen Gaddis stephen.w.gaddis@nasa.gov
Language
en-US

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Description

<p>The Synchronized Position, Hold, Engage, Reorient, Experimental Satellites – VERTIGO (SPHERES-VERTIGO) developed by the Massachusetts Institute of Technology (MIT)—are free-floating, soccer-ball-sized robots with their own propulsion and power. They are used aboard the ISS to study formation flight and other control system algorithms. For this experiment, these same SPHERES will be programmed with thruster firings that will emulate common maneuvers carried out by launch vehicles and spacecraft. This motion will impart energy to the fluid inside the experiment, which will measure its effects. </p><p>The ISS provides the perfect environment to conduct liquid behavior studies in microgravity. This investigation is planned to collect valuable data on how liquids move around inside of a container when external forces are applied to that container – this simulates how rocket fuels move around inside their tanks when motor thrusts are used to push the rocket through space. The slosh experiment takes advantage of hardware already on the ISS.</p><p>The primary slosh experiment component is a clear, pill-shaped Lexan tank in the middle of the assembly. This tank is shrouded by a tan box designed to prevent the ISS ambient lights from interfering with the cameras. Also in the middle, is the center hub made of aluminum. This center hub has two arms to hold two high-resolution cameras. These cameras will collect video of the fluid inside the tank. The center hub assembly is connected to a larger frame, which connects to the two SPHERES units through a clamp system. VERTIGO computers attached to the SPHERES units will collect the data from the cameras and the onboard inertial measurement units. These computers are already on the ISS and will be used by the slosh experiment as storage and power for the cameras and accelerometers. </p>

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This dataset has been created by US Government which means it is required to be in the public domain. However US copyright law only allows open access by US citizens, we have assumed the data is equivalently licensed as CC0 for the rest of the world as this is in the spirit of the US Government’s Open Data policy.

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