Satellite, Pump
GEAR PUMP
For Spacecraft Thermal Control
Technology and design derived from CNES R&T.
› 2 manufactured prototypes
› Cumulated test duration > 1 year
› Correlated performance model
Main
benefits
Pump performances in conformance with known S/C manufacturer expectations:
- Flow rate (150 l/h)
- Pressure rise (DPMAX = 1.5 bar)
- Operating temperature (TQUALIF = +85°C)
- Two-phase fluid functioning (tolerant to bubbles)
- Limited sub-cooling
Structure
and motorisation
- EM Pump Test (mid-2020)
- Pump lifetime demonstration with EM Model (begins in 2020)
- CDR Review and Qualification campaign (begins in 2020)
Key features
Working Fluid
—–
Ammonia / Water
Other fluids on demand
TSTART-UP = -70°C
TMAX FLUID = +85°C
Nominal Flow rate
—-
150 l/h (0.041 l/s)
Maximum pressure rise
—-
1.5 bar (21.76 psi)
Mass
—-
5 kg (without electronic box)
Electrical consumption
—-
45 W (without electronic box)
Industrialization of processes
—-
> Decreases production costs
> Manufacturing of small series (e.g. 4-10 pumps per year)
