2013

Journal papers

"A Study of Micro Vacuum Plasma Spraying," W.S. Crawford and M.A. Cappelli, J. Thermal Spray Technology, in preparation, 2013.

"Two-Dimensional Resistive Drift Instabilities in Hall Thrusters," E. Fernandez, C. Lam, and M.A. Cappelli, Phys. Plasmas, in preparation, 2013.

"Hybrid Simulations of Hall Thruster Plasmas Using an Isentropic Electron Fluid Model," E. Cha, M.A. Cappelli, and E. Fernandez, Phys. Plasmas, in preparation, 2013.

"Two Dimensional Hybrid Simulations of Hall Thruster Plasmas Resolving Fluctuations in the E x B Direction," C. Lam, M.A. Cappelli, and E. Fernandez, J. Appl. Phys, in preparation, 2013.

"Dispersion of Moderate Frequency Plasma Density Fluctuations in a Hall Effect Accelerator Channel," A. Knoll and M.A. Cappelli, Phys. Plasmas, in preparation, 2013.

"Single Particle Simulations of Electron Migration in a Divergent Cusped Field Thruster," C.V. Young and M.A. Cappelli, Phys. Plasma, in preparation, 2013.

"Magnetic Field Distribution in an Electromagnetic Coaxial Plasma Gun Operating in a Gas-Puff Mode," K. Loebner, B. Wang, and M.A. Cappelli, Phys. Plasmas, in preparation, 2013.

"Dielectric Barrier Discharge Stabilization of Jet-Flame Combustion," S. Im, M.S. Bak, and M.A. Cappelli, Combustion Science and Technology, in preparation, 2013.

"Dispersion Maps of the Low Frequency Plasma Density Fluctuations in a Hall Effect Accelerator Channel," N. Gascon and M.A. Cappelli, Phys. Plasmas, in preparation, 2013.

"Drift Waves in Micro Magnetron Discharges Operating on Various Inert Gases," T. Ito and M.A. Cappelli, J. Appl. Phys, in preparation, 2013.

"A study of Hybrid Plasma Actuation by Decoupling AC Forcing from Ionization," J. Dedrick, S. Im, M. A. Cappelli, R. W. Boswell, and C. Charles, Appl. Phys. Lett., in preparation, 2013.

"Enhanced Plasma Actuation of a Static Flow using a Dual-Frequency Surface Discharge Driven by 13.56 MHz and 5 kHz Voltage Sources," J. Dedrick, S. Im, M. A. Cappelli, R. W. Boswell, and C. Charles, Appl. Phys. Lett., in preparation, 2013.

"Laser Plasma-Stabilization of Spray Flames," M. Bak and M.A. Cappelli, Combustion and Flame, in preparation, 2013.

"Time-Synchronized Continuous Wave Laser-Induced Fluorescence Velocity Measurements of a Diverging Cusped Field Thruster," N.A. MacDonald, M. A. Cappelli, and W. A. Hargus, Jr., J. Phys. D., in preparation, 2013.

"Dielectric Barrier Discharge-Induced Vortex Generation for Boundary Layer Separation Control," S. Im, M. S. Bak, M. G. Mungal, and M. A. Cappelli, Experiments in Fluids, submitted, 2013.

"Studies on the Stability Limit Extension of Premixed and Jet Diffusion Flames of Methane, Ethane, and Propane using Nanosecond Repetitive Pulsed Discharge Plasmas," M.S Bak, S.K. Im, M.G. Mungal, and M.A. Cappelli, Combustion and Flame, submitted, 2013.

"Simulations of nanosecond-pulsed dielectric barrier discharges in atmospheric pressure air," M. S. Bak and M. A. Cappelli, Journal of Applied Physics, 113, 113301, 2013.

2012

Journal papers

"The Manipulation of an Unstarting Supersonic Flow by Plasma Actuator," S. Im, H. Do, and M.A. Cappelli, J. Phys. D: Appl. Phys. 45, 485202, 2012.

"A Simulation of the Effects of Varying Repetition Rate and Pulse Width of Nanosecond Discharges on Premixed Lean Methane-Air Combustion," M. Bak and M. A. Cappelli, Journal of Combustion 2012, 137653, 2012.

"Optically Pumped Cesium Plasma Neutralization of Space Charge in Photon-Enhanced Thermionic Energy Converters, T. Ito and M.A. Cappelli, Appl. Phys. Lett. 101, 213901, 2012.

"Time-Synchronized Continuous Wave Laser-Induced Fluorescence on an Oscillatory Xenon Discharge," N.A. MacDonald, M. A. Cappelli, and W. A. Hargus, Jr., Rev. Sci. Instrum. 83, 113506, 2012.

"Plasma-Assisted Stabilization of Laminar Premixed Methane/Air Flames Around the Lean Flammability Limit," M.S. Bak, H. Do, M.G. Mungal, and M.A. Cappelli, Combustion and Flame 159, pp. 3128–3137, 2012.

"Dielectric Barrier Discharge Induced Boundary Layer Suction," S. Im and M. A. Cappelli, Appl. Phys. Lett. 100, 264103, 2012.

"Ion Velocity and Plasma Potential Measurements of a Cylindrical Cusped Field Thruster," N. A. MacDonald, C.V. Young, M.A. Cappelli, and W. A. Hargus, Jr., J. Appl. Phys. 111, 093303, 2012.

"Nanoparticle Production in Arc Generated Fireballs of Granular Silicon Powder," T. Ito and M.A. Cappelli, AIP Advances, 2, 012126, 2012.

Conference papers

"Experimental Study and Plasma Control of an Unstarting Supersonic Flow," S. Im, H. Do, M. G. Mungal, and M. A. Cappelli, AIAA-2012-2809 6th AIAA Flow Control Conference, New Orleans, Louisiana, June 25-28, 2012.

"Separation Control Using Dielectric Barrier Discharge-Induced Suction and Vortex Generation," S. Im, M. S. Bak, M. G. Mungal, and M. A. Cappelli, AIAA-2012-2947 6th AIAA Flow Control Conference, New Orleans, Louisiana, June 25-28, 2012.

J. Rath, I. Franka, B. Lee C. Hagen, M. Cappelli, and A. Yalin, “Electric Field Measurements in Air Using Cavity Ring-Down Polarimetry,” AIAA-2012-988 50th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition, Nashville, Tennessee, Jan. 9-12, 2012.

2011

Journal papers

A.W. Smith, M.A. Cappelli, and W.A. Hargus, Jr., “Single particle simulations of electron transport in the near-field of a BHT-200-X3 thruster,” JANAF J. Propulsion and Energetics, 5, 89-99, accepted December, 2011.

A.W. Smith and M.A. Cappelli, “On the role of fluctuations, cathode placement, and collisions on the transport of electrons in the near-field of Hall thrusters,” Phys. Plasmas 17, Article Number: 093501, September 2011. DOI: 10.1063/1.3479827. View Paper

H. Do, S. Im, M. G. Mungal, and M.A. Cappelli, “The influence of boundary layers on supersonic inlet flow unstart induced by mass injection,” Exp. Fluids 51, 679-691, September 2011. DOI: 10.1007/s00348-011-1077-3.

N.A. MacDonald, M. A. Cappelli, S. R., Gildea, M. Martinez-Sanchez, and W. A. Hargus Jr., “Laser-induced fluorescence velocity measurements of a diverging cusped-field thruster,” Phys. D – Applied Physics 44, Article Number: 295203, July 2011. DOI: 10.1088/0022-3727/44/29/295203.

H. Do, S. Im, M.G. Mungal, and M.A. Cappelli, “Visualizing supersonic inlet duct unstart using planar laser Rayleigh scattering,” Exp. Fluids 50, 1651-1657, June, 2011. DOI: 10.1007/s00348-010-1028-4.

M.S. Bak, W. Kim, and M.A. Cappelli, “On the quenching of excited electronic states of molecular nitrogen in nanosecond pulsed discharges in atmospheric pressure air,” Appl. Phys. Lett. 98 Article Number: 011502, January 2011. DOI: 10.1063/1.3535986.

"The Structure of Nanosecond Repetitively Pulsed Spark Discharges in Air," D.Z. Pai, M.A. Cappelli, and C.O. Laux, IEEE Trans. Plasma Science 39, pp. 2258 - 2259, 2011.

Conference papers

J. Fike, K. Duraisamy, J. Alonso, H. Do, S. Im, and M.A. Cappelli, “Experimental and Computational Investigation of Mass Injection Induced Unstart,” AIAA-2011-3192 29th AIAA Applied Aerodynamics Conference, Honolulu, Hawaii, June 27-30, 2011.

S. Im, and M.A. Cappelli, “Plasma Control of an Unstarting Supersonic Flow”, AIAA-2011-2360, 17th AIAA International Space Planes and Hypersonic Systems and Technologies Conference, San Francisco, California, Apr. 11-14, 2011.

H. Do, S. Im, M.G. Mungal, and M.A. Cappelli, “The Influence of Boundary Layers on Supersonic Inlet Unstart,” AIAA-2011-2349, 17th AIAA International Space Planes and Hypersonic Systems and Technologies Conference , San Francisco, California, Apr. 11-14, 2011.

H. Do, S. Im, M. G. Mungal, and M. A. Cappelli, “Unstart of a Supersonic Model Inlet/Isolator Flow Induced by Mass Injection,” AIAA-2011-68, 49th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition, Orlando, Florida, Jan. 4-7, 2011.

M. Bak, W. Kim, and M. Cappelli, “Quenching of Excited Electronic States of Molecular Nitrogen in Nanosecond Pulsed Discharges in Atmospheric Pressure Air, AIAA-2011-1150, 49th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition, Orlando, Florida, Jan. 4-7, 2011.

S. Im, H. Do, and M.A. Cappelli, “Plasma Control of a Turbulent Boundary Layer in an Unstarting Supersonic Flow,” AIAA-2011-1143, 49th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition, Orlando, Florida, Jan. 4-7, 2011.

2010

Journal papers

F.R. Poehlmann, M. A. Cappelli, G.B. Rieker, “Current distribution measurements inside an electromagnetic plasma gun operated in a gas-puff mode,” Phys. Plasmas 17, Article Number: 123508, December 2010. DOI: 10.1063/1.3526603.

H. Do, S. Im, M.A. Cappelli, and M.G. Mungal, “Plasma assisted flame ignition of supersonic flows over a flat wall,” Combustion and Flame 157, 2298-2305, December 2010. DOI: 10.1016/j.combustflame.2010.07.006. View Paper

H. Do, M.A. Cappelli, and M. G. Mungal, “Plasma assisted cavity flame ignition in supersonic flows,” Combustion and Flame 157, 1783-1794, September 2010. DOI: 10.1016/j.combustflame.2010.03.009.

Im S., Do H., Cappelli M.A., “Dielectric barrier discharge control of a turbulent boundary layer in a supersonic flow”, Applied Physics Letters, Vol. 97(5), 2010. View Paper

Kim, W., Mungal, M.G., Cappelli, M.A., “The role of in situ reforming in plasma enhanced ultra lean premixed methane/air flames,” Combustion and Flame 157, 374-383, 2010.

Conference papers

W. Kim, H. Do, M. A. Cappelli and M. G. Mungal “Plasma Assisted Flame Holding in Subsonic and Supersonic Flows,” AIAA-2010-0263, AIAA-ASM Weakly Ionized Gases Workshop, 48th AIAA Aerospace Sciences Meeting, January 4-7, 2010, Orlando, FL.

2009

Journal papers

Ito, T., Tamura, T., Cappelli, M.A., et al. “Structure of laboratory ball lightning,” Phys. Rev. E 80, 067401, 2009.

"Time- and space-correlated plasma potential measurements in the near field of a coaxial Hall plasma discharge," A. W. Smith, M. A. Cappelli, Phys. Plasmas, (in press) 2009.

"The role of in-situ reforming in plasma enhanced ultra lean premixed methane/air flames," W. Kim, M. G. Mungal and M. A. Cappelli, Combustion and Flame, (in press) 2009. View Paper

"Electrostatic probe disruption of drift waves in magnetized microdischarges," Ito, T. and M. A. Cappelli, Applied Physics Letters, 94 (21), p. 211501-3, 2009. View Paper

"The Hall Effect and Rocket Flight" M. Cappelli, Physics Today 62, 4, pp. 76-77, 2009.

Conference papers

Young, C. V., Smith, A. W., and Cappelli, M. A., “Preliminary Characterization of a Diverging Cusped Field (DCF) Thruster,” Proceedings of the 31st International Electric Propulsion Conference, No. IEPC-2009-166, American Institute of Aeronautics and Astronautics, September 2009.

E. Cha, D. B. Scharfe, M. K. Scharfe, M. A. Cappelli, E. Fernandez, “Hybrid Simulations of Hall Thrusters Operating on Various Propellants,” Proceedings of the 31st International Electric Propulsion Conference, No. IEPC-2009-075, American Institute of Aeronautics and Astronautics, September 2009.

C. L. Lam, A.K. Knoll, M. A. Cappelli, E. Fernandez, “Two-Dimensional (z-?) Simulations of Hall Thruster Anomalous Transport,” Proceedings of the 31st International Electric Propulsion Conference, No. IEPC-2009-102, American Institute of Aeronautics and Astronautics, September 2009.

A.W. Smith, M. A. Cappelli, “Single Particle Simulations of Electron Transport in the Near-Field of Hall Thrusters,” Proceedings of the 31st International Electric Propulsion Conference, No. IEPC-2009-136, American Institute of Aeronautics and Astronautics, September 2009. View Paper

A.W. Smith, M. A. Cappelli, “Time and Space-correlated Plasma Property Measurements in the Near-field of a Coaxial Hall Plasma Discharge,” Proceedings of the 31st International Electric Propulsion Conference, No. IEPC-2009-135, American Institute of Aeronautics and Astronautics, September 2009. View Paper

D. Pai, M. Cappelli, C. Laux, “Nanosecond Repetitively Pulsed Spark Discharges in Ambient Air,” Paper P1.5.48, Proceedings of the 19th International Symposium on Plasma Chemistry (A. von Keudell, J. Winter, K. Boke, P. Schulz von der Gathen), July 26-31, 2009.

D.Z Pai, M.A. Cappelli, C.O. Laux, D.A. Lacoste , “Spark channel dynamics of nanosecond repetitively pulsed discharges in air at atmospheric pressure,” Paper PB10-7, 29th International Conference on Partially-Ionized Gases (ICPIG), July 12-17, 2009, Cancún, México.

2008

Journal Papers

"Cross-talk in multiple dielectric barrier discharge actuators," H. Do, W. Kim, M. A. Cappelli and M. G. Mungal, Applied Physics Letters, 92(7), p. 071504-3, 2008. View Paper

"Formation and role of cool flames in plasma-assisted premixed combustion," W. Kim, M. G. Mungal and M. A. Cappelli, Applied Physics Letters, 92(5), p. 051503-3, 2008. View Paper

"Optimal discharge placement in plasma-assisted combustion of a methane jet in cross flow," W. Kim, H. Do, M. G. Mungal and M. A. Cappelli, Combustion and Flame, 153(4), p. 603-615, 2008. View Paper

"A simple isentropic model of electron transport in Hall thrusters," A. K. Knoll and M. A. Cappelli, Journal of Physics D: Applied Physics, 41(16), p. 162003, 2008. View Paper

"An analysis of millimetre-wave interferometry on Hall thruster plumes by finite difference time domain," J. Lee and M. A. Cappelli, Journal of Physics D: Applied Physics, 41(18), p. 185205, 2008. View Paper

"Bismuth Hall thruster I: Simulation-suggested design and performance," D.B. Scharfe, M.K. Scharfe, M.A. Cappelli, and E. Fernandez, Journal of Technical Physics, Vol. 49, No. 3-4, pp. 329-348, 2008. View Paper

"Bismuth Hall thruster II: Simulated diagnostics," D.B. Scharfe and M.A. Cappelli, Journal of Technical Physics, Vol. 49, No. 3-4, pp. 349-361, 2008. View Paper

"Growth of resistive instabilities in E x B plasma discharge simulations," E. Fernandez, M. K. Scharfe, C. A. Thomas, N. Gascon and M. A. Cappelli, Physics of Plasmas, 15(1), p. 012102-10, 2008. View Paper

"Jet Flame Ignition in a Supersonic Crossflow Using a Pulsed Nonequilibrium Plasma Discharge," D. Hyungrok, M. G. Mungal and M. A. Cappelli, IEEE Transactions on Plasma Science, 36(6), p. 2918-2923, 2008. View Paper

"A Study of Plasma-Stabilized Diffusion Flames at Elevated Ambient Temperatures," K. Wookyung, D. Hyungrok, M. G. Mungal and M. A. Cappelli, IEEE Transactions on Plasma Science, 36(6), p. 2898-2904, 2008. View Paper

"Shear-Based Model for Electron Transport in Hybrid Hall Thruster Simulations," Michelle K. Scharfe, Cliff A. Thomas, David B. Scharfe, Nicolas Gascon, Mark A. Cappelli, and Eduardo Fernandez, IEEE Transactions on Plasma Science, Vol. 36, No. 5, October 2008. View Paper

"High Speed Images of Drift Waves and Turbulence in Magnetized Microplasmas," T. Ito and M. A. Cappelli, IEEE Transactions on Plasma Science, 36(4), p. 1228-1229, 2008. View Paper

"Magnetized microdischarge plasma generation at low pressure," T. Ito, K. Kobayashi, S. Hamaguchi and M. A. Cappelli, Thin Solid Films, 516(19), p. 6668-6672, 2008. View Paper

2007

Journal Papers

"Simulating Plasma-Induced Hall Thruster Wall Erosion With a Two-Dimensional Hybrid Model," E. Sommier, M. K. Scharfe, N. Gascon, M. A. Cappelli, and E. Fernandez, IEEE Transactions on Plasma Science, 35 (5), October 2007, pp. 1379-1387. View Paper

"On the production of energetic neutrals in the cathode sheath of direct-current discharges," T. Ito and M.A. Cappelli, Appl. Phys. Lett. 90, 101503, 2007. View Paper

"Experimental Characterization of a Micro Hall Thruster," T. Ito, N. Gascon, W. Scott Crawford, and M. A. Cappelli, Journal of Propulsion and Power, 23 (5), September-October 2007. View Paper

"Investigation of NO production and flame structure in plasma enhanced premixed combustion," W. Kim, H. Do, M. G. Mungal and M. A. Cappelli, Proceedings of the Combustion Institute, 31(2), p. 3319-3326, 2007. View Paper

"On the role of oxygen in dielectric barrier discharge actuation of aerodynamic flows," W. Kim, H. Do, M. G. Mungal and M. A. Cappelli, Applied Physics Letters, 91(18), p. 181501-3, 2007. View Paper

Conference papers

"Bluff Body Flow Separation Control using Surface Dielectric Barrier Discharges," H. Do, W. Kim, M. G. Mungal, and M. A. Cappelli, AIAA-2007-939, 45th Aerospace Sciences Meeting, 8-11 Jan, Reno, NV, 2007. View Paper

"Shear-Based Model for Electron Transport in 2D Hybrid Hall Thruster Simulations," M. K. Scharfe, C. A. Thomas, D. B. Scharfe, N. Gascon, M. A. Cappelli, and E. Fernandez, AIAA-2007-5208, 43rd Joint Propulsion Conference, 8-11 July, Cincinnati, OH, 2007. View Paper

"Numerical Investigation of Electron Behavior in the Near-Field of Hall Thrusters," A. W. Smith and M. A. Cappelli, AIAA-2007-5240, 43rd Joint Propulsion Conference, 8-11 July, Cincinnati, OH, 2007. View Paper

"The Deflagration-Detonation Transition in Gas-Fed Pulsed Plasma Accelerators," F. Poehlmann, N. Gascon, and M. A. Cappelli, AIAA-2007-5263, 43rd Joint Propulsion Conference, 8-11 July, Cincinnati, OH, 2007. View Paper

"Numerical Simulation of High Frequency Wave Coupling within a Hall Thruster," A. Knoll, N. Gascon and M. A. Cappelli, AIAA-2007-5266, 43rd Joint Propulsion Conference, 8-11 July, Cincinnati, OH, 2007. View Paper

"Energetic neutral particle production in the cathode sheath of direct-current discharges," T. Ito, M. A. Cappelli, Proc. 18th Int. Symp. Plasma Chem. (ISPC-18), Kyoto, Japan, CD-ROM (2007). View Paper

2006

Journal papers

“Aerodynamic Modification of Flow over Bluff Objects by Plasma Actuation” Y. Sung, W Kim, M.G. Mungal, and M.A. Cappelli, Experiments in Fluids, 41 (3), p.479-486, 2006. View Paper

“Comparison of Hybrid Hall Thruster Model to Experimental Measurements,” M. K. Scharfe, N. Gascon, M.A. Cappelli, and E. Fernandez, Physics of Plasmas 13, (8), 2006. View Paper

“Ion Energy Distribution and Gas Heating in the Cathode Fall of a Direct-Current Microdischarge,” T. Ito and M. A. Cappelli, Physical Review E 73, 046401, 2006. View Paper

“Low-power Magnetized Microdischarge Ion Source,” T. Ito and M.A. Cappelli, Appl. Phys. Lett. 89, 061501, 2006. View Paper

“Plasma Discharge Stabilization of Jet Diffusion Flames”, W. Kim, H. Do, M. G. Mungal, and M. A. Cappelli, IEEE Trans. Plasma Sciences, in print, August, 2006. View Paper

“Nonintrusive Characterization of the Azimuthal Drift Current in a Coaxial E x B Discharge Plasma,” C. A. Thomas, N. Gascon, and M. A. Cappelli, Physical Review E 74, 056402, 2006. View Paper

“Millimeter Wave Plasma Interferometry in the Near Field of a Hall Plasma Accelerator,” M. A Cappelli, N. Gascon, and W.A Hargus, Jr., J. Phys. D: Appl. Phys. 39, 4582–4588, 2006.

Conference papers

“Flame Stabilization Enhancement and NOx Production using Ultra Short Repetitively Pulsed Plasma Discharges,” W. Kim, H. Do, M. Mungal and M. Cappelli, AIAA-2006-560, 43rd AIAA Aerospace Sciences Meeting and Exhibit; Reno, NV, January 9-12, 2006. View Paper

“Introduction of Physical Transport Mechanisms into 2D Hybrid Hall Thruster Simulations”, M. K. Allis, C. A. Thomas, N. Gascon, M. A. Cappelli, and E. Fernandez, AIAA-2006-4325, 42nd Joint Propulsion Conference, 9-12 July, Sacramento, CA, 2006. View Paper

“An Axial-Azimuthal Hybrid Simulation of Coaxial Hall Thrusters,” E. Fernandez, A. Knoll and M. Cappelli, AIAA-2006-4329, 42nd Joint Propulsion Conference, 9-12 July, Sacramento, CA, 2006. View Paper

“Further Development of a Micro Hall Thruster”, T. Ito, N. Gascon, W. Crawford and M. Cappelli, AIAA-2006-4495, 42nd Joint Propulsion Conference, 9-12 July, Sacramento, CA, 2006. View Paper

“Measurements in Stationary Reference Bi Discharge Cell for Diagnostics of a Bismuth Hall Thruster”, D. Scharfe, T. Ito and M. Cappelli, AIAA-2006-4638, 42nd Joint Propulsion Conference, 9-12 July, Sacramento, CA, 2006. View Paper

“Wall Erosion in 2D Hall Thruster Simulations,” E. Sommier, M. Allis, N. Gascon, and M. Cappelli, AIAA-2006-4656, 42nd Joint Propulsion Conference, 9-12 July, Sacramento, CA, 2006. View Paper

“Investigation of Field Structure and Electron Behavior in Near- Field of Hall Thrusters,” A. Smith and M. Cappelli, AIAA-2006-4835, 42nd Joint Propulsion Conference, 9-12 July, Sacramento, CA, 2006. View Paper

“The Magnetic Interference Hall Accelerator,” C. Thomas, E. Sommier, N. Gascon, and M. Cappelli, AIAA-2006-4993, 42nd Joint Propulsion Conference, 9-12 July, Sacramento, CA, 2006. View Paper

“Coaxial Hall Thruster with Diamond Inner Channel Wall,” N. Gascon, S. Crawford, R. Corey and M. Cappelli, AIAA-2006-4995, 42nd Joint Propulsion Conference, 9-12 July, Sacramento, CA, 2006. View Paper

“Operation of a Coaxial High Energy (CHENG) Thruster,” F. Poehlmann, N. Gascon, C. Thomas and M. Cappelli, AIAA-2006-5157, 42nd Joint Propulsion Conference, 9-12 July, Sacramento, CA, 2006. View Paper

“Fluctuation-induced transport in the Hall plasma accelerator,” C. Thomas and M. Cappelli, AIAA-2006-5168, 42nd Joint Propulsion Conference, 9-12 July, Sacramento, CA, 2006. View Paper

“Experimental Investigation of High Frequency Plasma Oscillations within Hall Thrusters,” A. Knoll and M. Cappelli, AIAA-2006-5171, 42nd Joint Propulsion Conference, 9-12 July, Sacramento, CA, 2006. View Paper
 

Earlier

Journal papers

"Arcjet Plasma Neutralization of Hall Thrusters, Part 1: Hybrid Thruster Mission Analysis," W. A. Hargus, Jr., J. H. Schilling, Q. E. Walker, and M. A. Cappelli, Journal of Spacecraft and Rockets, 41 (6), p.1016-1022, 2004. View Paper

"Arcjet Neutralization of Hall Thrusters, Part 2: Experimental Demonstration," Q. E. Walker, N. Gascon, M. A. Cappelli, W. A. Hargus, Jr. and J. A Schilling, Journal of Spacecraft and Rockets, 41 (6), p.1023-1030, 2004. View Paper

"Mechanism for anomalously high voltages in high-pressure dc microdischarge mixtures of He, Ne, and Xe," R. Ganter and M. A. Cappelli, Journal of Applied Physics, 94 (3), p.2145-2147, 2003. View Paper

"Kinetic study of wall collisions in a coaxial Hall discharge," N. B. Meezan, M. A. Cappelli, Phys. Rev. E, 66, 036401, 2002. View Paper

"Optical measurements of plasma velocity and temperature in a low-rate low-power LPPS system," H. Hamatani, W. S. Crawford, M. A. Cappelli, Surface and Coatings Technology, 162, p.79-92, 2002. View Paper

"Laser-Induced Fluorescence Characteristics of a Helium Arcjet Flow," Q.E. Walker and M.A. Cappelli, Appl. Phys. B 75, pp. 1-6, 2002.

"Ion Beam Dynamics in a Linear Hall Discharge," N.B. Meezan and M.A. Cappelli, IEEE Trans. Plasma Sci. 30, pp. 138-139, 2002.

"Interior and Exterior Laser-Induced Fluorescence and Plasma Potential Measurements within a Laboratory Hall Discharge," W.A. Hargus, Jr., and M.A. Cappelli, J. Propulsion and Power 18, pp. 159-168, 2002.

"Mass Spectrometric and Langmuir Probe Measurements in Inductively Coupled Plasmas in Ar, CHF3/Ar and CHF3/Ar/O2 Mixtures," J.S. Kim, M.A. Cappelli, M.V.V.S. Rao, S.P. Sharma, and M. Meyyappan, Plasma Sources Science and Technology 10, pp. 191-204, 2001.

"A Characterization of Plasma Fluctuations within a Hall Discharge," E. Chesta, C. M. Lam, N. B. Meezan, D. P. Schmidt, and M. A. Cappelli, IEEE Transactions on Plasma Science, 29 (4), p.582-591, 2001. View Paper

"Stability of a Magnetized Hall Plasma Discharge," E. Chesta, N.B. Meezan, and M.A. Cappelli, J. of Appl. Phys. 89, pp. 3099-3107, 2001.

"Laser-Induced Fluorescence Measurements of Velocity within a Hall Discharge," W.A. Hargus, Jr., and M.A. Cappelli, Appl. Phys. B - Lasers and Optics 72, pp. 961-969, 2001.

"Parametric Study of the Vacuum Ultraviolet Emission and Electrical Characteristics of a He-Xe Microdischarge" O. B. Postel and M.A. Cappelli, J. Appl. Phys. 89, pp. 4719-4726, 2001.

"Anomalous electron mobility in a coaxial Hall discharge plasma," N. B. Meezan, W. A. Hargus, Jr. and M. A. Cappelli, Phys. Rev. E, 63, 026410, 2001. View Paper

"Methyl Concentration Measurements during Microwave Plasma-Assisted Diamond Deposition," M.A. Cappelli, T.G. Owano, A. Gicquel, and X. Duten, Plasma Chemistry and Plasma Processing 20, pp. 1-12, 2000.

"A Low-Power, Linear-Geometry Hall Plasma Source with an Open Electron-Drift," D.P. Schmidt, N.B. Meezan, W.A. Hargus, Jr., and M.A. Cappelli, Plasma Sources Sci. Technol. 9, pp. 68-76, 2000.

"Doppler-Free Absorption Measurements of Stark Broadening in a Flowing Hydrogen Plasma," M.A. Cappelli, Q.E. Walker, and P.V. Storm," JQSRT 66, pp. 343-361, 2000.

"Raman Scattering Measurements of Molecular Hydrogen in a Low-Density, Arc-heated Plasma," D.R. Beattie and M.A. Cappelli, Appl. Phys. B 70, pp. 419-427, 2000.

"Vacuum Emission and Breakdown Characteristics of a Planar He-Xe Microdischarge" O. B. Postel and M.A. Cappelli, Appl. Phys. Lett. 76, pp, 544-546, 2000.

"Coherent Structures in Crossed-Field Closed Drift Hall Plasma Discharges," M.A. Cappelli, W.A. Hargus, Jr., and N.B. Meezan, IEEE Trans. Plasma Science 27, pp. 96-97, 1999.

"Ion Energy and Momentum Flux Dependence of Diamond Like Carbon Film Synthesis in RF Discharges," A.D. Glew, J.S. Kim, and M.A. Cappelli, Surface and Coatings Technology 114, pp. 224-229, 1999.

"The Structure of an Expanding Hydrogen Arcjet," W.A. Hargus Jr., and M.A. Cappelli, Phys. Plasmas 5, pp. 4488-4497, 1998.

"Competing Surface Oxidation Reactions During Diamond Synthesis in Low Pressure Flames," J.S. Kim and M.A. Cappelli, Jpn. J. Appl. Phys. 37, pp. 6223-6228, 1998.

"Temperature Measurements in Low Pressure, Diamond-Forming Premixed Flames", J.S. Kim and M.A. Cappelli, J. Appl. Physics 84, pp. 4595-4602, 1998.

"Arcjet Nozzle Flowfield Characterization by Laser-Induced Fluorescence," P.V. Storm and M.A. Cappelli, Applied Optics 37, pp. 486-495, 1998.

"Laser-Induced Fluorescence Study of a Xenon Hall Thruster," R.J. Cedolin, W.A. Hargus, Jr., P.V. Storm, R.K. Hanson, and M.A. Cappelli, Applied Physics B - Lasers and Optics 65, pp. 459-469, 1997.

"Near-edge X-ray Absorption Fine Structure Spectroscopy of Arcjet-Deposited Cubic Boron Nitride," D.H. Berns, M.A. Cappelli, and D.K. Shuh, Diamond and Related Materials 6, pp. 1883-1886, 1997.

"Low Energy Ion Impact-Enhanced Growth of Cubic Boron Nitride in a Supersonic Nitrogen/Argon Plasma Flow," D.H. Berns and M.A. Cappelli, J. Mater. Res. 12, pp. 2014-2026, 1997.

"Arcjet Plasma Enhanced Vapor Phase Epitaxy of GaN", M. A. Cappelli, A. E. Kull, K. Schwendner, H. Lee, S.J. Harris, Jr., and J. Mroczkowski, Materials Letters 31, pp. 161-164, 1996.

"CH3 Detection in a Low-Density Supersonic Arcjet Plasma during Diamond Synthesis, M.H. Loh and M.A. Cappelli, Appl. Phys. Lett. 70, pp. 1052-1055, 1997.

"Radiative Emission Analysis of an Expanding Hydrogen Arc Plasma II: Plume Region Diagnostics through Radial Emission," P.V. Storm and M.A. Cappelli, JQSRT 56, pp. 919-932, 1996.

"Radiative Emission Analysis of an Expanding Hydrogen Arc Plasma I: Arc Region Diagnostics through Axial Emission," P.V. Storm and M.A. Cappelli, JQSRT 56, pp. 901-918, 1996.

"Interior Plasma Diagnostics of Arcjet Thrusters," M.A. Cappelli and P.V. Storm, Journal of Propulsion and Power 12, pp. 1070-1076, 1996.

"Stark Broadening Corrections to Laser Induced Fluorescence Temperature Measurements in a Hydrogen Arcjet Plume", P.V. Storm and M.A. Cappelli, Applied Optics 35, pp. 4913-4918, 1996.

"Laser-induced Fluorescence Measurements of Resonance Broadening in Xenon," R. J. Cedolin, R. K. Hanson, and M. A. Cappelli, Phys. Rev. A 54, pp. 335-342, 1996.

"Cubic Boron Nitride Synthesis in Low Density Supersonic Plasma Flows," D. H. Berns and M.A. Cappelli, Appl. Phys. Lett. 68, pp. 2711-2713, 1996.

"Fluorescence Velocity Measurements in the Interior of a Hydrogen Arcjet Nozzle," P.V. Storm and M.A. Cappelli, AIAA Journal 34, pp. 853-855, 1996.

"Diamond Film Synthesis in low Pressure Premixed Flames of Different Fuel Types, J.S. Kim and M.A. Cappelli, Surface and Coatings Technology 76-77, pp.791-796, 1995.

"Diamond Synthesis in Low Pressure Premixed Methane-Oxygen Flames", J.S. Kim and M.A. Cappelli, Appl. Phys. Lett. 67, pp. 1081-1083, 1995.

"An Experimental Study of the Temperature and Stoichiometry Dependence of Diamond Growth in Low Pressure Flat Flames," J. Kim and M.A. Cappelli, J. Mater. Res. 10, pp.149-157, 1995.

"Experimental Investigation of Velocity Slip Near an Arcjet Exit Plane," J.G. Liebeskind, R.K. Hanson, and M.A. Cappelli, AIAA Journal 33, pp. 373-375, 1995.

"Numerical and Experimental Investigations of Low-Density Supersonic Jets of Hydrogen," I.D. Boyd, D.R. Beattie, and M.A. Cappelli, J. Fluid Mech. 280, pp. 41-67, 1994.

"Diamond Film Growth in Low-Pressure Premixed Ethylene-Oxygen Flames," J. Kim and M. Cappelli, Appl. Phys. Lett. 65, pp. 2786-2788, 1994.

"In-situ Mass Sampling during Supersonic Arcjet Synthesis of Diamond," M.A. Cappelli and M.H. Loh, Diamond and Related Materials 3, pp. 417-421, 1994.

"Second-order Raman Scattering in Diamond up to 1900K," H. Herchen and M.A. Cappelli, Phys. Rev. B 49, pp. 3213-3216, 1994.

"A Multi-fluid Stagnation Flow Plasma Model with Self-consistent Treatment of the Collisional Sheath," E. Meeks and M.A. Cappelli, IEEE Transactions on Plasma Science 21, pp.768-777, 1993.

"LIF Diagnostic of Temperature and Velocity in a Hydrogen Arcjet," J.G. Liebeskind, R.K. Hanson, and M. A. Cappelli, Applied Optics 32, pp. 6117-6127, 1993.

"A Two Precursor Model for LPCVD of Silicon Dioxide from TEOS," M.M. Islam Raja, C. Chang, J.P. McVittie, M.A. Cappelli, and K.C. Saraswat, Journal of Vacuum Science and Technology 11, pp. 720-726, 1993.

"Temperature Dependence of the Cubic Boron Nitride Raman Lines," H. Herchen and M. A. Cappelli," Phys. Rev. B 47, pp. 14193-14199, 1993.

"Two-Temperature Fluid Model for High Pressure Plasmas in Contact with Cooled Electrodes," E. Meeks and M.A. Cappelli, J. Appl. Phys. 73, pp. 3172-3182, 1993.

"The Non-Equilibrium Region of an Electrode in Contact with a Flowing Thermal Plasma," M.A. Cappelli, IEEE Trans. Plasma Sciences 21, pp.194-201, 1993.

"Supersonic DC Arcjet Synthesis of Diamond," M.H. Loh and M.A. Cappelli, Diamond and Related Materials 2, pp. 454-461, 1993.

"Diamond Synthesis in a Supersonic DC-Arcjet at Subtorr Pressures," M.H. Loh, and M.A. Cappelli, Surface and Coatings Technology 55, pp. 408-413, 1992.

"A Model of Diamond Growth in Low Pressure Premixed Flames," J.S. Kim and M.A. Cappelli, J. Appl. Phys. 72, pp. 5461-5466, 1992.

"Measurement of the Electron Number Density in a Transferred Arcjet used for Plasma Cutting," S. Sakuragi, M. Inoue, and M. A. Cappelli, Journal of the High Temperature Society of Japan 18, pp. 27-35, 1992.

"An Analysis of a Transferred Arcjet by Integral Methods," S. Sakuragi and M. A. Cappelli, Quarterly Journal of the Japan Welding Society 10, pp. 16-22, 1992.

"First Order Raman Scattering Behavior in Homoepitaxial CVD Diamond", H. Herchen, M.A. Cappelli, M.I. Landstrass, M.A. Plano, and M.D. Moyer, Thin Solid Films 212, pp. 206-215, 1992.

"A 3-Dimensional Model for Low Pressure Chemical Vapor Deposition Step Coverage in Trenches and Circular Vias," M. M. Islam Raja, M. A. Cappelli, J. P. McVittie and K. C. Saraswat, J. Appl. Phys. 70, pp.7137-7140, 1991.

"First Order Raman Spectrum of Diamond at High Temperatures," H. Herchen and M. A. Cappelli, Phys. Rev. B 43, pp. 11740-11744, 1991.

"Diamond Synthesis in a 50kW Inductively Coupled Plasma Torch," T.G. Owano, C.H. Kruger, and M.A. Cappelli, Carbon 28, pp. 748-750, 1990.

"High Growth Rate Diamond Synthesis in a Large Area Atmospheric Pressure Inductively Coupled Plasma," M. A. Cappelli, T. Owano, M. Gordon and C. H. Kruger, J. Mater. Res. 5, pp. 2326-2333, 1990.

"Laser-Induced Fluorescence Imaging of Laser Ablated Barium," M. A. Cappelli, P. H. Paul and R. K. Hanson, Appl. Phys. Lett. 56, pp.1715-1717, 1990.

"An Investigation of Diamond Film Synthesis in a Premixed Oxyacetylene Flame," M. A. Cappelli and P. H. Paul, J. Appl. Phys. 67, pp. 2596-2602, 1989.

"Electron Density Radial Profiles Derived from Stark Broadening in a Sodium Plasma Produced by Laser Resonance Saturation," M. A. Cappelli and R. M. Measures, Appl. Optics 26, pp. 1058-1067, 1987.

"Effects of Inhomogeneities, Optical Depth and Finite Bandwidth on Electron Temperature Measurements in a Cylindrical Sodium Plasma," M. A. Cappelli and R. M. Measures, Int'l.J.Opt. Sensors 1, pp. 433-447, 1986.

"Development of a Pilot Facility for the Production of Rapidly Solidified Alloys," M. A. Cappelli and R.E. Wason, CIM Bulletin 79, p. 69, 1986.

"Sodium Atom Distribution Within a Heat Sandwich Oven," M. A. Cappelli, P. G. Cardinal, H. Herchen and R. M. Measures, Review of Scientific Instruments 56, pp. 2030-2037, 1985.

"Two Channel Technique for Stark Measurements of Electron Density within a Laser Produced Sodium Plasma," M. A. Cappelli and R. M. Measures, Applied Optics 23, pp. 2107-2114, 1984

"Tone-Taste Synesthesia: A Replication," F. Rudmin and M. Cappelli, Perceptual and Motor Skills 56, p.118, 1983.

Conference papers

"Design and Tuning of a Vacuum Microplasma Spray System: Particle Entrainment," W. S. Crawford, M. A. Cappelli, and Friedrich B. Prinz, Surface Engineering in Materials III, 23-17 Feb, p.267-282, 2005. View Paper

"Flame stabilization using a discharge in a lifted jet flame," W. Kim, M. G. Mungal, and M. A. Cappelli, AIAA-2005-931, 43rd Aerospace Sciences Meeting, 10-13 Jan, Reno, NV, 2005. View Paper

"Ion Velocity Measurements in a Linear Hall Thruster," N. Gascon, M. A. Cappelli, and W. A. Hargus, Jr., AIAA-2005-4401, 41st Joint Propulsion Conference, 10-13 July, Tucson, AZ, 2005. View Paper

"Spectroscopic Measurements of Bismuth For Optical Diagnostics," D. B. Scharfe, and M. A. Cappelli, AIAA-2005-4230, 41st Joint Propulsion Conference, 10-13 July, Tucson, AZ, 2005. View Paper

"Gradient transport processes in E-B plasmas," Cliff A. Thomas, and M. A. Cappelli, AIAA-2005-4063, 41st Joint Propulsion Conference, 10-13 July, Tucson, AZ, 2005. View Paper

"Effect of Charge Exchange on 2D Hall Thruster Simulation," M. K. Allis, N. Gascon, M. A. Cappelli, and E. Fernandez, IEPC-2005-057, 29th International Electric Propulsion Conference, 31 Oct - 4 Nov, Princeton, NJ, 2005. View Paper

"A Two-Dimensional (z-theta) Fluid/PIC Simulation of Coaxial Hall Thrusters," E. Fernandez, A. Knoll, and M. A. Cappelli, IEPC-2005-197, 29th International Electric Propulsion Conference, 31 Oct - 4 Nov, Princeton, NJ, 2005. View Paper

"Preliminary Testing of a Coaxial Hall Thruster with a Diamond Nose Cone," N. Gascon, W. S. Crawford, R. L. Corey, and M. A. Cappelli, IEPC-2005-191, 29th International Electric Propulsion Conference, 31 Oct - 4 Nov, Princeton, NJ, 2005. View Paper

"Hall Thruster with an External Acceleration Zone," N. Gascon, R. L. Corey, M. A. Cappelli, and W. A. Hargus, Jr.,IEPC-2005-196, 29th International Electric Propulsion Conference, 31 Oct - 4 Nov, Princeton, NJ, 2005. View Paper

"Ultra-Low Power Stationary Plasma Thruster," T. Ito, N. Gascon, W. S. Crawford, and M. A. Cappelli, IEPC-2005-198, 29th International Electric Propulsion Conference, 31 Oct - 4 Nov, Princeton, NJ, 2005. View Paper

"The Coaxial High Energy Thruster," F. Poehlmann, N. Gascon, C. Thomas, and M. A. Cappelli, IEPC-2005-100, 29th International Electric Propulsion Conference, 31 Oct - 4 Nov, Princeton, NJ, 2005. View Paper

"Stationary Reference Bi Discharge Cell for Optical Diagnostics of a Bismuth Hall Thruster," D. B. Scharfe, and M. A. Cappelli, IEPC-2005-058, 29th International Electric Propulsion Conference, 31 Oct - 4 Nov, Princeton, NJ, 2005. View Paper

"Wall Erosion in 2D Hall Thruster Simulations," E. Sommier, M. K. Allis, and M. A. Cappelli, IEPC-2005-189, 29th International Electric Propulsion Conference, 31 Oct - 4 Nov, Princeton, NJ, 2005. View Paper

"Non-local electric field effects in magnetized plasmas," C. A. Thomas, N. Gascon, M. Allis, and M. A. Cappelli, IEPC-2005-028, 29th International Electric Propulsion Conference, 31 Oct - 4 Nov, Princeton, NJ, 2005. View Paper

"A 90 GHz Phase-Bridge Interferometer for Plasma Density Measurements In the Near Field of a Hall Thruster," M. A. Cappelli, W. Herman, M. Kodiak, N. Gascon, and W. Hargus, Jr., AIAA-2004-3775, 40th Joint Propulsion Conference, 11-14 July, Fort Lauderdale, FL, 2004. View Paper

"Non-intrusive characterization of the Hall thruster azimuthal drift current," C. A. Thomas, N. Gascon, and M. A. Cappelli, AIAA-2004-3776, 40th Joint Propulsion Conference, 11-14 July, Fort Lauderdale, FL, 2004. View Paper

"Optical Diagnostics Options for Bismuth Hall Thrusters," D. B. Scharfe and M. A. Cappelli, AIAA-2004-3946, 40th Joint Propulsion Conference, 11-14 July, Fort Lauderdale, FL, 2004. View Paper

"A Comparison of 2-D Hybrid Hall Thruster Model to Experimental Measurements," M. K. Allis, N. Gascon, C. Vialard-Goudou, M. A. Cappelli, and E. Fernandez, AIAA-2004-3951, 40th Joint Propulsion Conference, 11-14 July, Fort Lauderdale, FL, 2004. View Paper

"Images of Ground State Xenon Density in the Near Field of a Low Power Hall Thruster," M. A. Cappelli, and W. Hargus, Jr., AIAA-2004-4120, 40th Joint Propulsion Conference, 11-14 July, Fort Lauderdale, FL, 2004. View Paper

"A Study of the Azimuthal Electron Drift in an ExB Discharge Using a Non-invasive Antenna Array," C. A. Thomas, N. Gascon, and M. A. Cappelli, AIAA-2003-4854, 39th Joint Propulsion Conference, 20-23 July, Huntsville, AL, 2003. View Paper

"Plasma instabilities in the ionization regime of a Hall thruster," N. Gascon, and M. A. Cappelli, AIAA-2003-4857, 39th Joint Propulsion Conference, 20-23 July, Huntsville, AL, 2003. View Paper

"Interactions within a Cluster of Low Power Hall Thrusters," W. A. Hargus, Jr. and M. A. Cappelli, AIAA-2003-5006, 39th Joint Propulsion Conference, 20-23 July, Huntsville, AL, 2003. View Paper

"Vacuum Ultraviolet Absorption Measurements of Ground State Xenon in the Near Field of a Low Power Hall Thruster," M. A. Cappelli and W. A. Hargus, Jr., AIAA-2003-5007, 39th Joint Propulsion Conference, 20-23 July, Huntsville, AL, 2003. View Paper

"Operating regimes of a linear SPT with low secondary electron-induced wall conductivity", N. Gascon, C. A. Thomas, W. A. Hermann, and M. A. Cappelli, AIAA-2003-5156, 39th Joint Propulsion Conference, 20-23 July, Huntsville, AL, 2003. View Paper

"Further Investigations of an Open Drift Hall Thruster with Boron Nitride and Diamond Walls", N. Gascon, C. A. Thomas, W. A. Hermann, and M. A. Cappelli, IEPC-2003-0327, 28th International Electric Propulsion Conference, 17-21 March, Toulouse, France, 2003. View Paper

"Wall Effects on the Excitation and Propagation of Instabilities in Hall Thrusers", N. Gascon and M. A. Cappelli, IEPC-2003-0328, 28th International Electric Propulsion Conference, 17-21 March, Toulouse, France, 2003. View Paper

"Transport Physics in Hall Plasma Thrusters," M. A. Cappelli, N. B. Meezan, and N. Gascon, AIAA-2002-0485, 40th Aerospace Sciences Meeting, 14-17 Jan, Reno, NV, 2002. View Paper

"Numerical Studies of Instabilities in a Magnetized Hall Discharge," M. A. Cappelli, E. Chesta, and N. Gascon, AIAA-2001-3324, 37th Joint Propulsion Conference, 8-11 July, Salt Lake City, UT, 2001. View Paper

"Electron Energy Distribution Function in a Hall Discharge Plasma," N. B. Meezan and M. A. Cappelli, AIAA-2001-3326, 37th Joint Propulsion Conference, 8-11 July, Salt Lake City, UT, 2001. View Paper

"Development of a Colloid Micro-Thruster For Flight Demonstration on the Emerald Nanosatellite," F. M. Pranajaya and M. A. Cappelli, AIAA-2001-3330, 37th Joint Propulsion Conference, 8-11 July, Salt Lake City, UT, 2001. View Paper

"High Density Plasma Neutralization of a Hall Thruster," Q. E. Walker and M. A. Cappelli, AIAA-2001-3352, 37th Joint Propulsion Conference, 8-11 July, Salt Lake City, UT, 2001 View Paper

"Performance of a Linear Hall Discharge with an Open Electron Drift," M. A. Cappelli, Q. E. Walker, and N. B. Meezan, AIAA-2001-3503, 37th Joint Propulsion Conference, 8-11 July, Salt Lake City, UT, 2001. View Paper

"Dispersion of Low Frequency Waves in a Hall Discharge," N. Gascon, E. Chesta, N. B. Meezan, and M. A. Cappelli, AIAA-2001-3506, 37th Joint Propulsion Conference, 8-11 July, Salt Lake City, UT, 2001. View Paper

"Low Frequency Plasma Wave Dispersion and Propogation in Hall Thrusters," N. Gascon, N. B. Meezan, and M. A. Cappelli, IEPC-01-56, 27th International Electric Propulsion Conference, 15-19 October, Pasadena, CA, 2001. View Paper

"A Kinetic Study of Electron-Wall Collisions in a Hall Thruster," N. B. Meezan and M. A. Cappelli, IEPC-01-51, 27th International Electric Propulsion Conference, 15-19 October, Pasadena, CA, 2001. View Paper

"Linear Geometry Hall Thruster with Boron Nitride and Diamond Walls," N. B. Meezan, N. Gascon, and M. A. Cappelli, IEPC-01-39, 27th International Electric Propulsion Conference, 15-19 October, Pasadena, CA, 2001. View Paper

"Performance Studies of a Colloid Thruster System," F. Pranajaya and M. A. Cappelli, IEPC-01-284, 27th International Electric Propulsion Conference, 15-19 October, Pasadena, CA, 2001. View Paper

"Preliminary Study of Arcjet Neutralization of Hall Thruster Clusters," Q. E. Walker, M. A. Cappelli, W. A. Hargus,  and J. Schilling, IEPC-01-63, 27th International Electric Propulsion Conference, 15-19 October, Pasadena, CA, 2001. View Paper