TERMIUM Plus®

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BACK COVER SUBSYSTEM [1 record]

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Filter results by subject field

Alphabetical list of terms

Record 1 2003-07-21

English

Subject field(s)
  • Spacecraft
CONT

Back Cover Subsystem (BCSS). The Back Cover protects the DM [descent module] during entry, ensures depressurisation during launch and carries multi-layer insulation (MLI) for the cruise and coast phases. Since it does not have to meet stringent aerothermodynamic requirements, it is a stiffened aluminium shell of minimal mass (11.4 kg) protected by Prosial (5 kg). It includes: an access door for late access during integration and for forced-air ground cooling of the Probe; a break-out patch through which the first (drogue) parachute is fired; a labyrinth sealing joint with the Front Shield, providing a non-structural thermal and particulate barrier.

French

Domaine(s)
  • Engins spatiaux

Spanish

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