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Heat Transfer Tubes/Radiators

Arterial Heat Pipes

  • Purpose: Thermal control of spacecraft equipment.
  • Year of release: 1992
  • Guaranteed service life (years): 25 years after ArHP filling with working fluid.
  • Estimated production / delivery time (months): 3
  • Flight qualification of the product: Yes
  • Brief history of flight qualification: Operated successfully on board of more than 20 Russian satellites.
  • Possibility to adapt the product to customer requirements: Yes
ParameterValue
Maximum transferred heat power1000 W·m
Outer diameter12 mm or 16 mm
Lengthup to 3.0 m
Operation temperature rangefrom -133 C to 227 C
Mass145 g/m for ø 12 mm; 220 g/m for ø 16 mm

Two-phase (vapor/liquid) hermetic closed evaporating/ condensing thermal transfer system filled with a working fluid (Toluene, Ammonia, Propylene, Ethane, Methane, Nitrogen) of straight or complicated configuration.