variable conductance heat pipe (VCHP)

Standard

ECSS-E-ST-31-02C Rev.1

Definition

heat pipe with an additional non-condensable gas reservoir allowing a variable thermal conductance between evaporator and condenser

Notes

  • NOTE 1 See heat pipe definition in 3.2.7.
  • NOTE 2 The variation in thermal conductance is generally accomplished by regulating the volume of a non-condensable gas plug reaching into the condenser zone, which in turn varies the effective condenser length.
  • NOTE 3 The variation of the gas volume can be performed by active or passive means.
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