Accession Number:

AD0673946

Title:

SURFACE-PARTICLE-INTERACTION MEASUREMENTS USING PADDLEWHEEL SATELLITES

Descriptive Note:

Corporate Author:

DOUGLAS AIRCRAFT CO INC SANTA MONICA CA SPACE SCIENCES DEPT

Personal Author(s):

Report Date:

1968-01-01

Pagination or Media Count:

17.0

Abstract:

Surface-particle-interaction measurements have been carried out by utilizing the torque and drag force on two paddlewheel satellites with perigee altitudes between 250 and 300 km. The angular distribution of the re-emitted molecules was inferred to be nearly diffuse, and the accommodation coefficients were between 0.65 and 0.9. A proposed satellite experiment, Project ODYSSEY, is described in which the surface-particle-interaction and atmospheric parameters will be measured with much improved accuracy.

Subject Categories:

  • Fluid Mechanics
  • Unmanned Spacecraft

Distribution Statement:

APPROVED FOR PUBLIC RELEASE