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Small Business Innovation Research/Small Business Tech Transfer

Low evaporation rate storage media for cryogenic liquids, Phase I

Completed Technology Project

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Low evaporation rate storage media for cryogenic liquids, Phase I
Considerable design work has been devoted to the development of cryogenic liquid storage containers. Containers which hold cryogenic liquids such as liquid nitrogen, oxygen, hydrogen, etc. often are double walled vacuum insulated or super insulation flasks, bottles or tanks. Vessels so designed for space applications have the lowest cryogen evaporation rates of any available, but research is ongoing to render these containers less permeable to heat flux. We propose a different approach to increasing the cryogenic liquid hold time. We propose increasing the heat needed to drive off the cryogenic liquid by fundamentally changing the heat needed to cause evaporation of the cryogenic liquid. Our unique approach should not be confused with technology developed to support cryogens during shipping or other mechanical gyrations, exploits the unique physics and chemistry of nanomaterials and their interaction with the cryogenic liquid. Successful development of the proposed technology will result in longer hold times, decreased payload mass, lower volume, increased safety and decreased energy utilization. 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.