Application of controlled vibrations to multiphase systems Testing

The management of multiphase flows is a key element in many space systems, from fuel tanks to Environmental Control & Life Support Systems (ECLSS). Recent theoretical and experimental works have shown that vibrations play a fundamental role in the behaviour of these flows in microgravity. A system generating the required vibrations for each application can be an efficient technology to manage multiphase flows in space. In this experiment we present a payload for the generation of controlled harmonic translational vibrations in multiphase systems in microgravity conditions. Our aim is to mature this technology by acquiring the necessary knowledge for its use in space applications. In particular, the NASA ISS experiment Nucleate boiling in long-term cryogenic propellant storage in microgravity will benefit of the results obtained during the series of flights in the sRLV.

The generation of controlled harmonic translational vibrations in muliphase systems in microgravity conditions will benefit future NASA missions and the commercial space industry by providing insights into best management practices of multiphase flows in space.

This is a mature technology (TRL 7) — the realistic path in is usually NASA's Technology Transfer Program: licensing an existing NASA patent, or a Space Act Agreement to use NASA facilities/expertise directly. NASA also runs a startup licensing program with no upfront fee for companies formed to commercialize a specific NASA technology.

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