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Space Systems Lab
University of Maryland

HyPerPLSS
The Hydrogen Peroxide Portable Life Support System (HyPerPLSS) is a single-fluid PLSS concept based on hydrogen peroxide.

Contact:
Craig Lewandowski
Graduate Research Assistant

If successful missions to the Moon and Mars are to transpire, the design and operation of the portable life support system (PLSS) used for extravehicular activity (EVA) must be reevaluated.  Masses of Space Shuttle and International Space Station PLSS units will render lunar and Martian EVA ventures impractical.  The University of Maryland Space Systems Laboratory is developing a single-fluid consumable unit based on hydrogen peroxide (H2O2).

An aqueous solution of hydrogen peroxide can be utilized to support a collection of systems required for EVA suits.  These systems include life support, power supplies, and thermal control systems.  The catalytic dissociation of H2O2 produces oxygen, water, and energy.  The oxygen is to be used for life support, while the water may be used for sublimation cooling, and the generated energy is of sufficient quantity to run a small electrical generator, eliminating the need for a heavy battery.

Project advisor:
Dr. David Akin
Lead graduate student:
Craig Lewandowski


Acknowledgements
The Hydrogen Peroxide PLSS (HyperPLSS) is under development at the University of Maryland Space Systems Laboratory, part of the Aerospace Engineering Department and the A. James Clark School of Engineering. Funding is provided by the NASA Institute for Advanced Concepts (NIAC)

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