THE RADIOLYTIC DECOMPOSITION OF 1,1DIMETHYLHYDRAZINE, DIETHYLENETRIAMINE AND HYDYNE ROCKET FUELS

One hundred-milliliter samples of the storable liquid rocket fuels, 1,1-dimethylhydrazine, diethylenetriamine, and Hydyne generate respectively 199.0, 101.2 and 164.1 ml of radiolytic off-gas (measured at 25C and 1 atm) when irradiated to 8,500,000 rads with gamma rays. The result for Hydyne was cal...

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Bibliographic Details
Main Author: SHELBERG,Wesley E
Format: Report
Language:English
Subjects:
AMINES
DAMAGE
DECOMPOSITION
DIETHYLENETRIAMINE
DIMETHYLHYDRAZINES
FREE RADICALS
GAMMA RAYS
GAS ANALYSIS
LIQUID ROCKET FUELS
METHACRYLATE/METHYL
RADIATION EFFECTS
RADIOCHEMISTRY
SPACE ENVIRONMENTS
SPACECRAFT NUCLEAR PROPULSION
STABILIZATION
STORAGE
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Summary:One hundred-milliliter samples of the storable liquid rocket fuels, 1,1-dimethylhydrazine, diethylenetriamine, and Hydyne generate respectively 199.0, 101.2 and 164.1 ml of radiolytic off-gas (measured at 25C and 1 atm) when irradiated to 8,500,000 rads with gamma rays. The result for Hydyne was calculated from those for 1, 1-dimethylhydrazine and diethylenetriamine, Hydyne consisting of 60 wt-% of the former and 40 wt-% of the latter. When the samples contain 5 vol-% of the freeradical scavenger methyl methacrylate, the off-gas volumes are reduced respectively by 18.2, 11.0 and 16.7 %. Since the free-radical scavenger reduces somewhat the off-gas from the fuels due to laboratory ionizing radiation, it may be expected to improve their storability somewhat with respect to ionizing space and nuclear rocket radiations. (Author)