Advanced Liquid Cooling and Ventilation Garment, Phase I

NASA is currently pursuing an advanced space suit portable life support system (PLSS) for future missions that could reach the moon or Mars. The Liquid Cooling and Ventilation Garment (LCVG) is a critical component of the PLSS and improvements are needed to reduce weight and improve comfort and mobility. NASA research has shown that the LCVG tubing is a significant heat transfer bottleneck because of the low tubing thermal conductivity and high thermal resistance between the tubing/garment and the body. Previous research at Mainstream developed innovative techniques for improving tubing thermal resistance. Leveraging this work, Mainstream proposes to develop next-generation tubing that improves LCVG performance. In Phase I, Mainstream will establish a baseline thermal model and experimentally demonstrate performance improvements from different tubing configurations. In Phase II, Mainstream will use the new tubing design to create a full scale LCVG and test its performance in a representative environment.

Data and Resources

Field Value
accessLevel public
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identifier TECHPORT_94478
issued 2019-01-01
landingPage https://techport.nasa.gov/view/94478
modified 2020-01-29
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publisher Space Technology Mission Directorate
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Groups
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  • National Provider
  • North America
Tags
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  • amerigeo
  • amerigeoss
  • ckan
  • geo
  • geoss
  • johnson-space-center
  • national
  • north-america
  • united-states
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license_title License not specified
maintainer TECHPORT SUPPORT
maintainer_email hq-techport@mail.nasa.gov
metadata_created 2025-11-22T22:43:22.027160
metadata_modified 2025-11-22T22:43:22.027164
notes <p>NASA is currently pursuing an advanced space suit portable life support system (PLSS) for future missions that could reach the moon or Mars. The Liquid Cooling and Ventilation Garment (LCVG) is a critical component of the PLSS and improvements are needed to reduce weight and improve comfort and mobility. NASA research has shown that the LCVG tubing is a significant heat transfer bottleneck because of the low tubing thermal conductivity and high thermal resistance between the tubing/garment and the body. Previous research at Mainstream developed innovative techniques for improving tubing thermal resistance. Leveraging this work, Mainstream proposes to develop next-generation tubing that improves LCVG performance.<strong> </strong>In Phase I, Mainstream will establish a baseline thermal model and experimentally demonstrate performance improvements from different tubing configurations. In Phase II, Mainstream will use the new tubing design to create a full scale LCVG and test its performance in a representative environment.</p>
num_resources 4
num_tags 10
title Advanced Liquid Cooling and Ventilation Garment, Phase I