Accession Number : AD0475140


Title :   CONTAMINATION SOURCES CONSIDERED FOR THE VELA SPACECRAFT MISSION.


Descriptive Note : Technical rept.,


Corporate Author : AEROSPACE CORP EL SEGUNDO CA EL SEGUNDO TECHNICAL OPERATIONS


Personal Author(s) : Kytola, J W ; Danta, R C


Report Date : Sep 1965


Pagination or Media Count : 27


Abstract : The boost phase of a spacecraft is characterized by the emission of various chemicals and the occurrence of extreme mechanical and thermal effects. This report analyzes the potential threat posed by these phenomena to sensitive radiation detectors and solar cells mounted on the external surfaces of the Vela spacecraft. Sources of contamination and damage are considered, methods of analysis are presented, and a test program is described which was conducted to determine the deleterious effects of the boost phase on the Vela spacecraft. (Author)


Descriptors :   *RADIATION MEASURING INSTRUMENTS , CONTAMINATION , LAUNCH VEHICLES , BOOSTER ROCKET ENGINES , ARTIFICIAL SATELLITES , PAYLOAD , DAMAGE , NUCLEAR EXPLOSIONS , DETECTORS , SOLAR CELLS , EXTERNAL STORES , LAUNCHING , DEGRADATION , RETRO ROCKETS , PERFORMANCE(ENGINEERING) , HYDROCARBONS , STAGING , FAIRINGS , RECONNAISSANCE SATELLITES , PENETRATION , TEMPERATURE CONTROL , GLASS TEXTILES , X RAYS , ATTENUATION , EMISSIVITY , ABSORPTION


Subject Categories : Nuclear Instrumentation
      Unmanned Spacecraft


Distribution Statement : APPROVED FOR PUBLIC RELEASE