Bipropellant Attitude Control Rocket (ACR) Plume Effects on Solar Cells, Optics and Thermal Paint.
Final rept. Nov 69-Jun 70,
AIR FORCE ROCKET PROPULSION LAB EDWARDSAFB CA
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The objectives of the effort were to determine exhaust plume effects on the functional surfaces of a spacecraft, and identify the contaminant. Tests were conducted under vacuum conditions using a Marquardt R1E attitude control rocket engine. The propellants were nitrogen tetroxide N2O4 and monomethylhydrazine MMH. The analysis of the test data revealed that the bipropellant attitude control rocket engine exhaust plume does have an effect on the operational characteristics of the spaceborne equipment, in varying degrees, dependent upon the location of the equipment with relation to the rocket engine nozzle exit. The exhaust plume contaminant has been identified as monomethylhydrazine nitrate. Author
- Liquid Rocket Propellants