1962-01-01

Uncooled Rocket Nozzles for Ultra-High Temperature Propellants 620329

The Curtiss-Wright pyrolytic graphite nozzle discussed in this paper extends the capability of uncooled lightweight nozzles to future ultrahigh temperature propellants by utilizing a novel application of pyrolytic graphite. The pyrolytic graphite is used as a heat sink rather than an insulator by having it oriented to conduct heat away from the hot surface to the interior of the nozzle. The results of small scale tests using propellants with flame temperatures up to 6550 F are presented. Some mention of full scale nozzle design is also made.

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