NASA / MARSHALL (H. Q. YANG, JEFF WEST) / SCIENCE PHOTO LIBRARY NASA / MARSHALL (H. Q. YANG, JEFF WEST) / SCIENCE PHOTO LIBRARY
Fuel tank slosh simulation. Computational fluid dynamics (CFD) supercomputer simulation showing free surface waves for a high slosh amplitude inside a fuel tank. Propellant slosh can disturb the stability of rockets. The simulation points to three physical effects controlling the increase of slosh damping: recirculation zones inside the liquid where small eddies enhance viscous damping; energy cascades from the first surface mode to the higher modes; and kinetic energy loss due to surface breakup. This simulation, produced by NASA's Pleiades supercomputer, was featured at the SC13 supercomputing conference in November 2013.
Model release not required. Property release not required.