Contour Heat Pipes
- Purpose: Thermal control of spacecraft equipment.
- Year of release: 1992
- Guaranteed service life (years): 25 years after CHP filling with working fluid.
- Estimated production / delivery time (months): 6
- Flight qualification of the product: Yes
- Brief history of flight qualification: Operated successfully on board of more than 30 Russian and foreign satellites.
- Possibility to adapt the product to customer requirements: Yes
| Parameter | Value |
|---|---|
| Transferred heat power | from 2 W to 10000 W |
| Outer diameter of transport lines | from 1 mm to 8 mm |
| Length | up to 10 m |
| Operation temperature range | from -170 C to 80 C |
| Generated capillary pressure | up to 70000 Pa (when Ammonia is used as working fluid) |
Two-phase (vapor/liquid) hermetic closed evaporating/ condensing thermal transfer system filled with a working fluid (usually by Ammonia or Propylene).
CHP advantages:
- CHP design allows to use units for active and passive control of CHP performance;
- CHP can operate at its arbitrary position in the gravity field;
Small pipes diameter allows to bend transport lines that simplifies essentialy CHP integration into the spacecraft;
Condensers of different design (radiators, flow heat exchanges, contact saddles etc.) can be integrated into CHP.
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