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YUZHNOYE SDO :: Aerospace Technology :: Rocket Propulsion :: Electric Jet Propulsion Systems :: D50

D50

The electric jet propulsion system (EJPS) based on Hall engines is intended to be used on space objects for inter-orbital transfer, orbit correction and stabilization.

Main Advantages

- Low thrust level ensuring precision control of a space object
- High specific thrust pulse
- Maintenance of serviceability in wide temperature range including negative temperatures
- Non toxicity and fire-and-explosion safety of propulsive mass
- High reliability due to duplication of main units and assemblies
- Modular design allowing for installation on different space objects.

Technical Characteristics

Type of EngineStationary Plasma Engine or with Anode Layer
Propulsive massXenon
Nominal thrust of engine, mN40
Specific thrust pulse of engine, m/s16000
Energy value of engine thrust, W/N16500
Total thrust pulse of propulsion system, Ns1.2*106
Maximal consumed power of propulsion system, Wäî 800
Service life, years15
Resource of engine, h300
Probability of failure - free operation0.98

The experience of operation of similar type of engines showed their high effectiveness and reliability. Availability of plasma in engine exhaust practically does not effect the solar arrays service life and radio signals exchange between a space object and ground tracking stations.

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