Direct-drive system demonstration for a low-power hall thruster


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Performance evaluation of a low power Hall thruster with carbon

Recently, Ion and Hall thrusters have become the most common types of electric propulsion systems used in practical applications. In particular, compared with ion thrusters, Hall thrusters have the advantage that the space-charge limitation is not very restrictive, providing a higher thrust density (approximately 1 mN/cm 2) and a more straightforward system with fewer power

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Satellite Electrical Power Subsystem for Direct-Drive Electrical Propulsion

Oct 2, 2023· Hall thruster Direct- Drive system is a concrete candidate for future space missions. Direct-Drive System Demonstration for a Low-Power Hall Thruster. A. Pampaloni Mirko Trisolini T. Misuri M. Andrenucci. Engineering, Physics. 2014;

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Development of High-Power Hall Thruster Power Processing

(GRC) to develop a high-power Hall thruster and power processing unit (PPU) technologies applicable to these missions. To further advance the maturity of solar electric propulsion (SEP), a technology demonstration mission (TDM) is being formulated. Several mission concepts have been developed including the Asteroid Redirect Robotic

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Direct-Drive System Demonstration for a Low-Power Hall Thruster

Jul 1, 2014· A study was conducted to demonstrate a direct-drive system for a low-power hall thruster. The HT-100 Hall thruster was selected for the direct-drive demonstration. The throttling...

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Development of a Direct Drive Hall Effect Thruster System

DOI: 10.4271/2002-01-3212 Corpus ID: 109746061; Development of a Direct Drive Hall Effect Thruster System @inproceedings{Jongeward2002DevelopmentOA, title={Development of a Direct Drive Hall Effect Thruster System}, author={Gary A. Jongeward and Ioannis G. Mikellides and T. P. Peterson and Thomas.

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What is a miniature Hall thruster?

A low power (nominally 100 W) miniature Hall thruster has been designed and manufactured based upon standard scaling laws, with specific considerations for operation with the use of alternative gaseous propellants, and with an attempted novel field topology.

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100 kW Nested Hall Thruster System Development

thruster propulsion system to this power level is a relatively low risk approach to high power SEP system development. Hall systems present a stable DC electrical load to the spacecraft power system that can be gradually ramped up to avoid large power transients. The XR-100 system is being designed to operate efficiently between 25 kW and 100

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Characterization of a high-power Hall thruster operation in direct-drive

Jan 1, 2021· The major system considerations for accommodating a direct drive Hall thruster are discussed, including array regulation, system grounding, distribution of power to the spacecraft bus, and

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HIGH VOLTAGE SOLAR ARRAY ARC TESTING FOR A

The Direct Drive Hall-Effect Thruster (D2HET) program is an excellent example of a power system design that benefits from mass savings as a result of high voltage solar array operation.4,5 In the D2HET concept, the anode of a Hall-Effect Thruster (HET) is

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Design and simulation of a 5 kW Hall Thruster direct drive experiment

A three-year program to develop a Direct Drive Hall-Effect Thruster system (D2HET) begun in 2001 as part of the NASA Advanced Cross-Enterprise Technology Development initiative. The system, which is expected to reduce significantly the power processing, complexity, weight, and cost over conventional low-voltage systems, will employ solar arrays

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Can MS be used in low power Hall thrusters?

The application of MS to low power Hall thrusters is though still an area of research, with smaller magnetically shielded thrusters maintaining similar beam divergence angle, but at a reduced thrust-to-power ratio, anode efficiencies and specific impulse than the high-power MS thrusters, , .

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Experimental investigation of a water electrolysis Hall effect thruster

Apr 1, 2022· Experimental demonstration of a water electrolysis Hall Effect Thruster (WET-HET) operating with a hydrogen cathode. as its use may facilitate the realization of a low-cost propulsion system compared to that based on a xenon propellant. Characterization of a high-power Hall thruster operation in direct-drive. Acta Astronautica, Volume

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High Power Demonstration of a 100 kW Nested Hall Thruster

Nested Hall Thruster System Sarah W. H. Shark1 Aerojet Rocketdyne, Redmond, WA, 98052, U.S.A. Many propulsion technologies work well at low TRLs as a thruster alone or for short durations, but system level in preparation for the final high power system demonstration. These risk reduction activities included standalone NHT testing up to

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(PDF) Evaluation of a 4.5 kW Commercial Hall Thruster System

On a reference near Earth asteroid sample return mission, the BPT-4000 offers mass performance competitive with or superior to NSTAR at much lower cost. Additionally, it is found that a low-cost, mid-power commercial Hall thruster system may be a viable alternative to aerobraking for some missions.

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Novel cathodeless and very low-power Hall thruster: Qualification

Jun 19, 2022· Aliena is a space propulsion company based in Singapore which has recently deployed in space a very low-power Hall thruster propulsion system on the smallest platform (3U nanosatellite) to ever

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Direct-Drive System Demonstration for a Low-Power Hall Thruster

DOI: 10.2514/1.B35253 Corpus ID: 121064918; Direct-Drive System Demonstration for a Low-Power Hall Thruster @article{Pampaloni2014DirectDriveSD, title={Direct-Drive System Demonstration for a Low-Power Hall Thruster}, author={Alessio Pampaloni and Mirko Trisolini and Tommaso Misuri and Mariano Andrenucci}, journal={Journal of Propulsion and Power},

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Experimental Investigation of a Direct-Drive Hall Thruster

May 1, 2018· A study was conducted to demonstrate a direct-drive system for a low-power hall thruster. The HT-100 Hall thruster was selected for the direct-drive demonstration. The throttling range of the

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Direct-Drive System Demonstration for a Low-Power Hall Thruster

Jul 1, 2014· Direct-Drive System Demonstration for a Low-Power Hall Thruster. A. Pampaloni, Mirko Trisolini, +1 author. M. Andrenucci. Published 1 July 2014. Engineering, Physics. Journal

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Is direct drive a cost saver for Hall thruster technology?

Direct drive has often been considered a significant cost saver for Hall thruster technology due to its reduction is mass, complexity, and thermal burden to the spacecraft. Both the direct drive mass savings and thruster system performance increase as the available thruster power increases.

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OVERVIEW OF NASA IODINE HALL THRUSTER

Operational Hall thrusters currently demonstrate excellent mission performance for power levels between 1 and 10 kW using xenon gas. Unfortunately, the volume and high pressure requirements for xenon storage do not integrate well with small spacecraft. Low -power Hall thruster tests at Busek Co. Inc. found that Hall thruster

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Direct Drive for Low Power Hall Thrusters

Direct Drive for Low Power Hall Thrusters John W. Dankankh* Gray Research Inc., Huntsville, AL, 35824 Due to recent studies, NASA has initiated the development of a low power Hall thruster for discovery class missions. The potential advantages of a low power Hall thruster is primarily due to

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Hall Thrusters Operating in Pulsed Mode

called direct drive studied by others1,2. Depending on the pulse duration and the rep. rate, efficient operation can be achieved down to few Watts average power consumption. 1.2 ACS for Large Xe Fueled Spacecraft Gridded ion thrusters and Hall thrusters using Xe propellant, are the propulsion of choice for large S/C

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On-orbit mission overview of the low power hall thruster propulsion

Aug 27, 2024· Venμs is a satellite launched in 2017, for super-spectral Earth imaging and Electric Propulsion System (EPS) demonstration. In this paper we overview EPS design and operation throughout all five mission phases, from open/closed-loop orbit control, through orbit descent (720 → 410 km), orbit maintenance under high drag environment, to orbit raising (410 → 560 km).

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A Low Power Cylindrical Hall Thruster for Next Generation

The Water Electrolysis Hall Effect Thruster (WET-HET): Paving the Way to Dual Mode Chemical-Electric Water Propulsion. IEPC-2019-A-259 Presented at the 36th International Electric Propulsion Conference University of Vienna, Austria September 15-20, 2019 Alexander Schwertheim∗ and Aaron Knolly Imperial College London, London, United Kingdom We

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Scaling Approach for Sub-Kilowatt Hall-Effect Thrusters

Aug 1, 2019· Anode flow rate variation as a function of hd in low-power (< 1.35 kW) Hall-effect thrusters. Predicted and actual performance of the 360-W-scale Hall-effect thruster Figures - uploaded by

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Performance enhancement of a long-life, low-power hall thruster

Mar 1, 2017· The low power Hall thruster has the potential to be applied in multiple apace missions. In order to study the performance of the low power Hall thruster, a 200W-class Hall thruster is designed and

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How do you find the power of a Hall thruster?

Moreover, only singular charged ions are considered such that q = e is true. Using Eqs. (25), (26) the power for a Hall thruster can be described as, (27) P = U d I d = α U d m n e m n From this the target power of the thruster can be displayed alongside the ionisation efficiency values.

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Power Processing and Flow Control for a 100kW Hall

Hall Thruster System, including: a 200 kW thruster, critical elements of a 100 kW modular Power Processing Unit (PPU), and elements of the modular Xenon feed system. The PPU elements are the first flight-like design to run a high power EP thruster meeting the challenging thermal and performance goals. The modular feed system is an

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Performance of a low power Hall effect thruster with several

May 1, 2023· The majority of Hall effect thrusters with flight heritage operate at discharge powers in excess of several kilowatts, with only recent research and commercial developments targeting scaling to lower power regimes [2], [11], [12], [13].The current trend is away from well tested medium sized satellites and towards low cost, low power, and more agile solutions for low

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Development of a Direct Drive Hall Effect Thruster System

Oct 29, 2002· A three-year program to develop a Direct Drive Hall- Effect Thruster system (D2HET) begun in 2001 as part of the NASA Advanced Cross-Enterprise Technology Development initiative.

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Scaling Approach for Sub-Kilowatt Hall-Effect Thrusters

Aug 1, 2019· Properly determining the size and predicting the performance of a Hall-effect thruster (HET) is an essential process in the early phase of thruster design. In this paper, the scaling relations for a sub-kilowatt HET were derived in the form of linear equations from the physical relationships and the approaches found in previous studies. Because the anode

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Demonstration and experimental characteristics of a water-vapor Hall

Mar 27, 2023· Water is an attractive candidate for condensable propellants owing to its availability, handleability, and sustainability. This study proposes the use of water vapor as a propellant for a low-power Hall thruster, and experimentally demonstrates the feasibility of this proposal. Based on the performance estimation from the plume diagnostics, a thrust-to-power

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Direct Drive for Low Power Hall Thrusters

The potential advantages of a low power Hall thruster is primarily due to its high efficiency operation at low power and its lower complexity compared to ion engines. Direct drive is another method of reducing the complexity of a Hall thruster system while improving its efficiency. The technical challenges associated with this technology are

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Performance of a low power Hall effect thruster with several

May 1, 2023· A low power (nominally 100 W) miniature Hall thruster has been designed and manufactured based upon standard scaling laws, with specific considerations for operation

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Experimental Investigation of a Direct-Drive Hall Thruster and

Sep 6, 2012· Experimental Investigation of a Direct-Drive Hall Thruster and Solar Array System at Power Levels up to 10 kW. John Snyder, John Brophy, Richard Hofer, Dan Goebel and Ira Katz

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About Direct-drive system demonstration for a low-power hall thruster

About Direct-drive system demonstration for a low-power hall thruster

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