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Benjamin Longmier
Benjamin Longmier
SpaceX
Verified email at swarm.space
Title
Cited by
Cited by
Year
Ambipolar ion acceleration in an expanding magnetic nozzle
BW Longmier, EA Bering, MD Carter, LD Cassady, WJ Chancery, ...
Plasma Sources Science and Technology 20 (1), 015007, 2011
1462011
Global nonambipolar flow: Plasma confinement where all electrons are lost to one boundary and all positive ions to another boundary
SD Baalrud, N Hershkowitz, B Longmier
Physics of plasmas 14 (4), 2007
1052007
Equilibrium states of anodic double layers
SD Baalrud, B Longmier, N Hershkowitz
Plasma Sources Science and Technology 18 (3), 035002, 2009
1002009
Observations of single-pass ion cyclotron heating in a trans-sonic flowing plasma
EA Bering, FR Diaz, JP Squire, TW Glover, MD Carter, GE McCaskill, ...
Physics of Plasmas 17 (4), 2010
762010
Investigation of plasma detachment from a magnetic nozzle in the plume of the VX-200 magnetoplasma thruster
CS Olsen, MG Ballenger, MD Carter, FRC Diaz, M Giambusso, TW Glover, ...
IEEE Transactions on Plasma Science 43 (1), 252-268, 2014
722014
VX-200 magnetoplasma thruster performance results exceeding fifty-percent thruster efficiency
BW Longmier, LD Cassady, MG Ballenger, MD Carter, FR Chang-Díaz, ...
Journal of Propulsion and Power 27 (4), 915-920, 2011
692011
Azimuthal spoke propagation in Hall effect thrusters
MJ Sekerak, BW Longmier, AD Gallimore, DL Brown, RR Hofer, JE Polk
IEEE Transactions on plasma science 43 (1), 72-85, 2014
622014
Validating a plasma momentum flux sensor to an inverted pendulum thrust stand
BW Longmier, BM Reid, AD Gallimore, FR Chang-Diaz, JP Squire, ...
Journal of Propulsion and Power 25 (3), 746-752, 2009
562009
Temperature gradients due to adiabatic plasma expansion in a magnetic nozzle
JP Sheehan, BW Longmier, EA Bering, CS Olsen, JP Squire, ...
Plasma Sources Science and Technology 23 (4), 045014, 2014
542014
VASIMR performance results
L Cassady, B Longmier, C Olsen, M Ballenger, G McCaskill, A Illin, ...
46th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, 6772, 2010
502010
Improved efficiency and throttling range of the VX-200 magnetoplasma thruster
BW Longmier, JP Squire, CS Olsen, LD Cassady, MG Ballenger, ...
Journal of Propulsion and Power 30 (1), 123-132, 2014
472014
VASIMR® VX-200 operation at 200 kW and plume measurements: Future plans and an ISS EP test platform
JP Squire, CS Olsen, FR Chang Díaz, LD Cassady, BW Longmier, ...
32nd International Electric Propulsion Conference, 11-15, 2011
382011
New low-power plasma thruster for nanosatellites
JP Sheehan, BW Longmier, I Reese, T Collard
50th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, 3914, 2014
352014
Initial Operation of the CubeSat Ambipolar Thruster
JP Sheehan, TA Collard, FH Ebersohn, BW Longmier
322015
Magnetic nozzle plasma plume: review of crucial physical phenomena
F Ebersohn, S Girimaji, D Staack, J Shebalin, B Longmier, C Olsen
48th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, 4274, 2012
322012
Optimization of cubesat system-level design and propulsion systems for earth-escape missions
S Spangelo, B Longmier
Journal of Spacecraft and Rockets 52 (4), 1009-1020, 2015
302015
Nonambipolar electron source
B Longmier, S Baalrud, N Hershkowitz
Review of Scientific Instruments 77 (11), 2006
302006
VASIMR VX-200 performance measurements and helicon throttle tables using argon and krypton
BW Longmier, JP Squire, LD Cassady, MG Ballenger, MD Carter, C Olsen, ...
32nd International Electric Propulsion Conference, 2011
272011
Improved operation of the nonambipolar electron source
B Longmier, N Hershkowitz
Review of Scientific Instruments 79 (9), 2008
272008
Non-ambipolar radio-frequency plasma electron source and systems and methods for generating electron beams
N Hershkowitz, B Longmier, S Baalrud
US Patent 7,498,592, 2009
242009
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Articles 1–20