Propellant Slosh 

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Fluid Slosh

ATK customers are interested in several types of slosh:
  • Transportation slosh (tank on a train, in a boat, in a truck, etc. - 1g
  • Wind-induced pad slosh (tank on top of a launch vehicle at the launch pad) - 1g
  • Slosh during launch - rotation, spin, nutation, etc - high g.
  • Slosh while on orbit - zero g or near zero g
  • Slosh during spacecraft maneuvers with acceleration 
  • Slosh in a diaphragm tank
  • Slosh in a PMD tank
  • Slosh in an empty tank  (example: spinner tanks)
  • Slosh in a baffled tank  (example: MESSENGER AIAA 2002-4139)
Slosh analysis:
  • Part of PMD concept generation
  • Part of PMD functional design
  • Part of PMD functional validation
  • Part of PMD qualification
  • Part of PMD tank qualification
  • Part of spacecraft maneuver planning  (example: MESSENGER maneuvers)
Slosh testing:
  • Part of PMD qualification
  • Part of PMD tank qualification  (example: AIAA 97-2813(Photo)
  • Part of Diaphragm tank qualification
 Photos and Videos