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A helium cooling loop, cooled by a nitrogen boiler. More info and pictures: https://www.bbc.co.uk/news/science-environment-20510112 https://www.bbc.co.uk/news/s
by NeedMoreTea 8y ago
A helium cooling loop, cooled by a nitrogen boiler. More info and pictures: https://www.bbc.co.uk/news/science-environment-20510112 https://www.bbc.co.uk/news/science-environment-20510112
The Rolls engines designed for HOTOL were meant to do the same, by a different method. They were going to use the hydrogen fuel to operate the intake heat exchangers. The engine then burnt hot hydrogen. Any excess was used as reheat injected into the exhaust.
- scotty79 8y agoWhat do they ultimately do with the heat? Or do they just boil of the nitrogen into the atmosphere and need to take a supply of it for the whole trip?