EP team activities July, 2015
Electric propulsion activities
at ICARE
S. Mazouffre, S. Tsikata
Electric Propulsion team
Institut de Combustion, Aérothermique, Réactivité et Environement
CNRS, Orléans, France
EP team activities ICARE, July 2015
ICARE : Institut de Combustion, Aérothermique, Réactivité et Environnement
CNRS laboratory, Applied Physics department
Staff: 48 members (government employees) among them 28 researchers
26 PhD students / 7 post-doctoral fellows
5 short term contracts (engineers and technicians)
Research fields
Combustion
Atmospheric chemistry
High speed flow & Space Propulsion
Annual budget (without salary) ∼ 2,5 M€
ICARE
Team line-up
2 research scientists
Stéphane Mazouffre (DR, Head)
Sedina Tsikata (CR)
3 PhD students
J. Vaudolon (ENSMA) Hall thruster: B and E fields
D. Renaud (UPMC) PEGASES discharge and beam
A. Pétin (Univ. Grenoble) Hall thruster: electron properties
1 postdoctoral researcher
R. Joussot (Univ. Orléans) Cathodes
1 graduate student
L. Grimaud (ENSMA) Hall thruster: LIF spectroscopy
Budget (without staff member salary)
PE team ∼ 300 k€ per year
EP team
EP team activities ICARE, July 2015
PIVOINE-2g
National ground-test facility for EPPivoine team: 4 people
Cryopumps: 250000 l/s XeChamber: 4m×2mPressure = 10-5 mbar-XeOperation range
1 – 50 mg/s100 W - 20 kWXe, Kr
Test bench
EP team activities ICARE, July 2015
tank: 1.8 m × 0.8 mcryopump: 6000 l/s Xepressure = 2×10-5 mbar-Xe (1 mg/s, 300 W)
Hall thrusters, diagnostics, cathodes
EP team facility
NExET chamber EPIC chamber
tank: 1 m × 0.5 mturbomolecular pump: 350 l/s N2pressure = 5×10-4 mbar (1 mg/s, 300 W)
RF discharges, PEGASES, diagnostics
Test bench
EP team activities ICARE, July 2015
- Physics and performances of Hall thrusters
- cathodes
- Ion-ion plasma thruster (PEGASES)
- Physics of magnetized discharges
- Plasma-surface interaction
- Development of diagnostic techniques
Thomson scatteringLIF spectroscopyExB probe
- Advanced concepts for EP
Propellant optionsTwo-stage thrustersNew architectures
MS and WL configurationsClosed drift source
Research topics
EP team activities ICARE, July 2015
Physics
Ion and atom transport phenomena
Electric field dynamics
Instabilities, turbulence, anomalous diffusion
Electron properties
Plasma-wall interactions
Cathodes
Technology
Scaling laws, B field topology
Wall-material influence
Performances
Plume properties
Propellant
Advanced design (MS, WL)
Hall thruster studies
EP team activities ICARE, July 2015
SPT100-ML 1.5 kW PPS1350-ML 1.5 kW PPSX000-ML 5 kW
PPS20k-ML 20 kW PPI 200 WGeo, Mag, WL, MS
Others
ATONMAG-BSPT20SPT50
Hall thrusters
EP team activities ICARE, July 2015
PPS20k-ML thruster
PPSX000-ML Hall thruster
3 power levels
PIVOINE-2g bench
Hall thrusters
EP team activities ICARE, July 2015
PPS-Flex
Hall thruster with a highly versatile magnetic field configurationDeveloped with the GREM3 team (LAPLACE)
PPS-Flex V2CORONA (EPL)
PPS-Flex WLPIVOINE-2g
Standard Magnetic Shielding
Wall-Less configuration
EP team activities ICARE, July 2015
Strip instabilityResearch areas
RF discharge
Negative ion generation
Ion and electron transport
Electron properties
Beam properties
Diagnostics tools
ExB probe
Laser Photodetachment
µw interferometry
New architecture
Negative ion sources
EP team activities ICARE, July 2015
RF ion-ion plasma thruster (developed by LPP)
Second PEGASES prototype
PEGASES
PEGASES installed on EPICPEGASES firing (front view)
EP team activities ICARE, July 2015
Diagnostics
EP team activities ICARE, July 2015
Financial support
Space agency: CNES, ESACompany: Snecma, Airbus D&SGov. agency: CNRS, ANR, USAFLocal government (Région Centre)European Union
Scientific collaborations
CNRS (LAPLACE, LPP, CPHT…)
IPPLM, Univ. Opole (Poland)
Univ. Prague (Czech republic)
Univ. Carlos III de Madrid (Spain)
RIAME, MIREA (Russia)
PPPL (USA)
Univ. Michigan (USA)
Partners
EP team activities ICARE, July 2015
