Abstract
The Superfluid Helium On-Orbit Transfer (SHOOT) Flight Demonstration waspart of the space shuttle STS-57 mission in June, 1993. The experiment objectives included: transfer of superfluid between two dewars m a low gravity environment at different flow rates; operation of two different liquid acquisition devices within the dewars; liquid/vapor phase separation for normal liquid helium as well as superfluid at varying venting rates; accurate mass gauging and flow metering; and autonomous control of the transfer process by an expert system aboard a computer on the shuttle. This paper summarizes the findings of the SHOOT experiment and the performance of individual components, with particular emphasis on the anomalous behavior of one of the phase separators.
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