GTL's Hybrid Laminate Technology Revolutionizes Liquid Hydrogen Transfer for Aviation
Key Ideas
  • GTL's blended hybrid laminate (BHL) technology reduces liquid hydrogen boil-off, chill-down time, and dry mass of cryogenic fluid transfer lines for aviation applications.
  • The technology allows for quick filling of liquid hydrogen tanks, managing boil-off effectively, reducing fuel costs, and enhancing operational safety.
  • Results from NASA show that the BHL tubes chill ten times faster than equivalent metal solutions, demonstrating superior thermal mass reduction and heat transfer.
  • The company is integrating the BHL technology into a liquid hydrogen Dewar tank for flight applications, marking a significant milestone in advancing hydrogen-powered innovation.
Gloyer-Taylor Laboratories (GTL) has developed a game-changing composite tubing technology that significantly improves the transfer of liquid hydrogen for aviation purposes. The innovative blended hybrid laminate (BHL) technology has demonstrated the capability to reduce hydrogen boil-off, chill-down time, and the dry mass of cryogenic fluid transfer lines. NASA's SBIR programme revealed that up to 70% of liquid hydrogen can be lost during transfer due to boil-off, a challenge effectively addressed by GTL's new technology. With the BHL tubes, aircraft can now fill their liquid hydrogen tanks rapidly, manage the boiled-off hydrogen efficiently, and consequently cut fuel costs while enhancing operational safety. GTL's president, Paul Gloyer, expressed satisfaction with the technology, highlighting its fast fill and refill capabilities as well as its ultra-lightweight design. The BHL tubes outperformed equivalent metal solutions during testing, chilling approximately ten times faster than stainless steel thanks to reduced thermal mass and improved heat transfer properties. The company is actively deploying the BHL technology, already integrating it into a prototype liquid hydrogen Dewar tank for flight applications. This milestone signifies GTL's commitment to advancing hydrogen-powered innovation in vehicles, ultimately contributing to a more sustainable aviation sector.
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