Helium Liquefier Development (Held)

  Address - United States

  Contact details - 565656565

  Tender notice no. - 76454545

  GT Ref Id - 101537620

  Document Type - Tender Notices

Description - Description: Presolicitation Notice – Synopsis NASA Glenn Research Center/GRC has a requirement for the purchase of liquefiers/refrigerators to support space propulsion and cryogenic research and development activities. The helium liquefier/refrige rator system must: Implement gas-bearing helium turbo-expanders that have a variable brake design and are located in the cold box at a temperature level below the liquid nitrogen assisted pre-cooling. Variable brake must allow for an output power reduction to approximately 30% of the maximum, while maintaining high efficiency. No more than three turbines are to be used. Be capable of a maximum (liquefaction) capacity of no less than 6.8 g/s of ma

Gt Ref Id - 101537620

Deadline - Jan 29, 2025