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Hire Dr. David C.

United States

Profile Summary

Research experience includes advanced technology development in the fields of plasma physics, magnetic reconnection, and magnetic shielding of radiation. I have also done extensive work in the field of solar atmospheric physics. I earned my PhD in 2013. My skills lie in the computational modeling of complex three-dimensional magnetic field configurations, magnetic field evolution, and the optimization of charged particle tracking simulations through such fields. I also specialize in two- and three-dimensional visualizations of the resulting fields and particle tracks. These established coding techniques are highly adaptable and can be applied to a variety of geometries for a variety of problems.

Subject Matter Expertise

• ★ Electromagnetism
• ★ Plasma Physics
• ★ Plasma Technology
• ☆ Supercomputing
• ☆ Data Visualization
• ☆ Communication Theory
• ☆ Technology Scouting

Services

• Writing
• Consulting
• Data & AI
• Product Development

Work Experience

Chief Scientist

SpaceWave, LLC

April 2019 - Present

Chief Technology Officer

OrangeWave Innovative Science, LLC

October 2014 - December 2023

Postdoctoral Fellow

National Space Biomedical Research Institute

October 2015 - September 2016

Education

PhD (Physics and Space Sciences)

Florida Institute of Technology

August 2007 - December 2013

BS (Physics)

Muhlenberg College

August 2003 - May 2007

Certifications

• Certification details not provided.

Publications

JOURNAL ARTICLE

Torsional magnetic reconnection derived from resistive magnetohydrodynamics equations @article{10.1063/5.0272452, author = {Chesny, D. L. and Hatfield, K. W. and Cassibry, J. and Moffett, M. B.}, title = {Torsional magnetic reconnection derived from resistive magnetohydrodynamics equations}, journal = {Physics of Plasmas}, volume = {32}, number = {7}, pages = {072110}, year = {2025}, month = {07}, abstract = {The onset of magnetic reconnection results from the diffusion of the magnetic field through a resistive plasma due to the imbalance between plasma pressure and magnetic pressure (plasma β parameter). In following a generalized procedure to solve for a two-dimensional (2D) Sweet–Parker diffusion region, we have extended this analysis to the three-dimensional (3D) case of torsional magnetic reconnection (TMR). One key advancement of the 3D case over the 2D case includes imposing a geometrically localized plasma resistivity profile to explore how magnetic field diffusion arises at t=0 without deriving an analytical electric field or reconnection rate. Analytical solutions to the resistive magnetohydrodynamics (MHD) equations are given for both the torsional fan reconnection and torsional spine reconnection cases. Numerical solutions identify localized regions of magnetic field dissipation, enhanced pressure gradients, and helical motions, which together suggest the transition from a low-to-high plasma β and magnetic reconnection. Comparisons of these diffusion region locations to relative helicity dissipation are demonstrated, thus highlighting the importance of tracking helicity during TMR. These analytical procedures can be used to study the onset and evolution of any 3D reconnection mode without having to undertake complex time-dependent resistive MHD modeling architectures.}, issn = {1070-664X}, doi = {10.1063/5.0272452}, url = {https://doi.org/10.1063/5.0272452}, eprint = {https://pubs.aip.org/aip/pop/article-pdf/doi/10.1063/5.0272452/20596666/072110\_1\_5.0272452.pdf}, } . Physics of Plasmas.

Test particle acceleration in resistive torsional spine magnetic reconnection using laboratory plasma parameters @ARTICLE{2024JPlPh..90f9009C, author = {{Chesny}, D.~L. and {Hatfield}, K.~W. and {Moffett}, M.~B.}, title = "{Test particle acceleration in resistive torsional spine magnetic reconnection using laboratory plasma parameters}", journal = {Journal of Plasma Physics}, keywords = {plasma dynamics, plasma simulation, space plasma physics}, year = 2024, month = dec, volume = {90}, number = {6}, eid = {905900609}, pages = {905900609}, doi = {10.1017/S0022377824001016}, adsurl = {https://ui.adsabs.harvard.edu/abs/2024JPlPh..90f9009C}, adsnote = {Provided by the SAO/NASA Astrophysics Data System} } . Journal of Plasma Physics.

David L. Chesny and Mark B. Moffett and Kaleb W. Hatfield and Jake M. Cole and Kevin Landers and Yasin Shokrollahi and Faraz Ege(2022). Operation and Qualification of Coaxial Plasma Gun Modes With a Gas Puff Inlet . IEEE Transactions on Plasma Science. p. 1--7. Institute of Electrical and Electronics Engineers ({IEEE})

David L. Chesny and Mark B. Moffett and Jake M. Cole and Ulric Baptiste and N. Brice Orange(2022). Development and Experimental Verification of a Strong Field Fan-Spine Magnetic Null Point Topology . IEEE Transactions on Plasma Science. p. 1--7. Institute of Electrical and Electronics Engineers ({IEEE})

Mark B. Moffett and David L. Chesny and Jake M. Cole and Razvan Rusovici(2022). Electron particle deflection using a field reversed configuration magnetosphere geometry as an analog for radiation shielding in deep space . Advances in Space Research. 69. (9). p. 3540--3552. Elsevier {BV}

Mark B. Moffett and David L. Chesny and Jake M. Cole and Kaleb W. Hatfield and Razvan Rusovici(2022). Bdot probe and Rogowski coil cross-calibration and sensor fusion in pulsed direct current capacitor discharges . Review of Scientific Instruments. 93. (3). p. 034707. {AIP} Publishing

D.L. Chesny and N.B. Orange and K.W. Hatfield(2021). Test particle acceleration in resistive torsional fan magnetic reconnection using laboratory plasma parameters . Journal of Plasma Physics. 87. (6). Cambridge University Press ({CUP})

David L. Chesny and Mark B. Moffett and Arnold Yanga and N. Brice Orange and Razvan Rusovici(2021). Parametric scaling of a magnetic field-reversed conducting coil assembly for radiation shielding . Advances in Space Research. 68. (10). p. 4100--4112. Elsevier {BV}

D. L. Chesny and N. B. Orange and C. Dempsey(2021). Method for Creating a Three-dimensional Magnetic Null Point Topology With an Accurate Spine Axis . Review of Scientific Instruments. 92. (5). p. 054710. {AIP} Publishing

(2020). Conducting-Coil Assembly for Producing Three-Dimensional Magnetic Null Points . Physical Review Applied.

(2020). Galactic Cosmic Ray Shielding Using Spherical Field-Reversed Array of Superconducting Coils . Journal of Spacecraft and Rockets.

{Chesny}, D.~L. and {Orange}, N.~B. and {Oluseyi}, H.~M. and {Valletta}, D.~R.(2017). Toward Laboratory Torsional Spine Magnetic Reconnection . Journal of Plasma Physics. 83. (6). p. 905830602.

{Orange}, N.~B. and {Chesny}, D.~L. and {Gendre}, B. and {Morris}, D.~C. and {Oluseyi}, H.~M.(2016). Solar Atmospheric Magnetic Energy Coupling: Broad Plasma Conditions and Spectrum Regimes . \apj. 833. p. 257.

{Chesny}, D.~L. and {Oluseyi}, H.~M. and {Orange}, N.~B.(2016). Dynamic Flaring Non-potential Fields on Quiet Sun Network Scales . \apj. 822. p. 72.

{Chesny}, D.~L. and {Oluseyi}, H.~M. and {Orange}, N.~B. and {Champey}, P.~R.(2015). Quiet-Sun Network Bright Point Phenomena with Sigmoidal Signatures . \apj. 814. p. 124.

{Orange}, N.~B. and {Chesny}, D.~L. and {Oluseyi}, H.~M.(2015). Observations of an Energetically Isolated Quiet Sun Transient: Evidence of Quasi-steady Coronal Heating . \apj. 810. p. 98.

{Orange}, N.~B. and {Oluseyi}, H.~M. and {Chesny}, D.~L. and {Patel}, M. and {Hesterly}, K. and {Preuss}, L. and {Neira}, C. and {Turner}, N.~E.(2014). Comparative Analysis of a Transition Region Bright Point with a Blinker and Coronal Bright Point Using Multiple EIS Emission Lines . \solphys. 289. p. 1557-1584.

{Orange}, N.~B. and {Oluseyi}, H.~M. and {Chesny}, D.~L. and {Patel}, M. and {Champey}, P. and {Hesterly}, K. and {Anthony}, D. and {Treen}, R.(2014). Temporal Pointing Variations of the Solar Dynamics Observatory's HMI and AIA Instruments on Subweekly Time Scales . \solphys. 289. p. 1901-1915.

{Orange}, N.~B. and {Chesny}, D.~L. and {Oluseyi}, H.~M. and {Hesterly}, K. and {Patel}, M. and {Champey}, P.(2013). Direct Observations of Plasma Upflows and Condensation in a Catastrophically Cooling Solar Transition Region Loop . \apj. 778. p. 90.

{Chesny}, D.~L. and {Oluseyi}, H.~M. and {Orange}, N.~B.(2013). Non-potential Fields in the Quiet Sun Network: Extreme-ultraviolet and Magnetic Footpoint Observations . \apjl. 778. p. L17.