Computer Science – Sound
Scientific paper
Jun 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980esasp.152..141m&link_type=abstract
In ESA European Rocket and Balloon Programs and Related Res. p 141-145 (SEE N81-10914 01-99)
Computer Science
Sound
Black Brant Sounding Rockets, Burnout, Payloads, Stage Separation, Thrust Measurement, Contamination, Mission Planning, Outgassing, Upper Atmosphere, Video Equipment
Scientific paper
Research was conducted into the problems of avoiding collision between separated payloads and spent rocket motors due to post burnout thrust, and the problem of contamination of scientific instrumentation due to outgassing of the smoldering insulation. The post burnout thrust was measured using a payload instrument module separated from an instrumented Black Brant VC Rocket in the exoatmosphere. In addition to measuring acceleration and velocities the spent motor was observed by a TV camera on board the command attitude controlled payload module. Analysis shows that the payload separated cleanly from the vehicle at a relative separation velocity of 0.69 m/sec, however the residual thrust of the spent motor overcame this differential, catching up to the payload 37 sec after separation and continuing on a parallel velocity vector at about 1.03 m/sec.
McKenna E. F.
Smith Howard T.
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