A three-dimensional computational simulation of magnetic positive positioning

Abstract

A computational simulation of magnetic positive positioning (MP 2) is used to model cryogenic propellant reorientation in reduced gravity. Previous efforts have successfully incorporated an electromagnetic field model into an axisymmetric, two-dimensional, incompressible fluid flow model yielding accurate predictions of fluid motion induced by a magnetic field. Analytic solutions are used to validate a new three-dimensional computational simulation of MP2 which is capable of modeling asymmetric flow fields. To simulate MP2, a three-dimensional magnetic field and magnetic force model was developed as a feature of a commercially available fluid flow model which was been well validated. Simulation predictions obtained with the enhanced model are compared to available reduced gravity experiment data. Evidence is presented and conclusions are drawn that support the continued use of the simulation as viable modeling and predictive tool in the continuing study of MP2.

Publication Title

Collection of Technical Papers - 45th AIAA Aerospace Sciences Meeting

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