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Small Business Innovation Research/Small Business Tech Transfer

Electrochemical-Driven Fluid Pump for Spacecraft Thermal Control, Phase II

Completed Technology Project

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Electrochemical-Driven Fluid Pump for Spacecraft Thermal Control, Phase II
With the increasing power demands and longer life spans of space vehicles, their thermal management becomes ever more critical. Accompanying this is an unprecedented need for reduction in spacecraft size and weight. However, reduced weight leads to higher power densities, and waste-heat dissipation densities have grown by an order of magnitude with the use of smaller, more powerful electronics. Active thermal control methods are needed to cope with the increasing heat dissipation requirements and environmental extremes. In recent years, spacecraft have employed mechanically pumped fluid loops to efficiently transfer large amounts of thermal energy between two points by means of a forced liquid convention loop. The development of long-life fluid pumps, however, has not kept pace with the demands of advanced thermal control systems. Conventional electric motor-driven fluid pumps are heavy, bulky, inefficient, and prone to wear. In Phase I, the operation and storage of Lynntech fluid pump over a range of environmental extremes was demonstrated. In Phase II, Lynntech will develop a fluid pump significantly smaller, lighter, and more efficient than conventional pumps currently used in NASA spacecraft. More »

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This is a historic project that was completed before the creation of TechPort on October 1, 2012. Available data has been included. This record may contain less data than currently active projects.