Publications

Full list (google scholar)

2022

  • J. A. Schwartz, W. Ricks, E. Kolemen, J. Jenkins. “The value of fusion energy to a decarbonized United States electric grid”. pre-print.  arxiv  pdf research digest
  • J. Abbate, R. Conlin, K. Erickson, E. Kolemen. “A general infrastructure for data-driven control design and implementation in tokamaks”. pre-print. pdf
  • D.W. Dudt, R. Conlin, D. Panici and E. Kolemen. “The DESC Stellarator Code Suite Part III: Quasi-symmetry optimization.” pre-print. arxiv pdf
  • R. Conlin, D.W. Dudt, D. Panici and E. Kolemen. “The DESC Stellarator Code Suite Part II: Perturbation and continuation methods.” pre-print. arxiv  pdf
  • D. Panici, R. Conlin, D.W. Dudt and E. Kolemen. “The DESC Stellarator Code Suite Part I: Quick and accurate equilibria computations.” pre-print. arxiv pdf
  • S.K. Kim, S. Pamela, N. Logan, Y.-S. Na, C. Y. Lee, J.-K. Park, S. Yang, Q. Hu, M. Becoulet, G. Huisjmans, M. Hoelzl, Y. In, M. Kim, H.H.Lee, J. Lee, O. Kwon and E. Kolemen “Nonlinear MHD modeling of n=1 RMP-induced pedestal transport and mode coupling effects on ELM suppression in KSTAR”, Nuclear Fusion, doi: https://doi.org/10.1088/1741-4326/ac84ef pdf
  • J.A. Schwartz, A.O. Nelson, and E. Kolemen. “To dee or not to dee: costs and benefits of altering the triangularity of a steady-state DEMO-like reactor.” 2022, Nuclear Fusion, 62, 076006. https://doi.org/10.1088/1741-4326/ac62f6
  • R. Shousha, S.K. Kim, K. G. Erickson, S. H. Hahn, A. O. Nelson, S. M. Yang, J. -K. Park, J. Wai, Y. M. Jeon, J.H. Lee, J. Jang, D. Seo and E. Kolemen “Design and experimental demonstration of feedback adaptive RMP ELM controller toward complete long pulse ELM suppression on KSTAR”, Physics of Plasmas, doi: 10.1063/5.0081928 pdf
  • S.K. Kim, R. Shousha, S. H. Hahn, A. O. Nelson, J. Wai, S. M. Yang, J. -K. Park,  Y. M. Jeon, J.H. Lee, J. Kim, C.Y. Lee, Y.-S. Na and E. Kolemen “Optimization of 3D controlled ELM-free state with recovered global confinement for KSTAR with n = 1 resonant magnetic field perturbation”, Nuclear Fusion, doi: 10.1088/1741-4326/ac4369 pdf
  • J.T.Wai, M.D. Boyer, and E. Kolemen. “Neural Net Modeling of Equilibria in NSTX-U.” pre-print. pdf
  • F.Saenz, Z. Sun, A.E. Fisher, B. Wynne and E. Kolemen. “Divertorlets concept for low-recycling fusion reactor divertor: experimental, analytical and numerical verification“. doi: 10.1088/1741-4326/ac6682/pdf

2021

  • A. Jalalvand, A. A. Kaptanoglu, A. V. Garcia, A. O. Nelson, J. Abbate, M. E. Austin, G. Verdoolaege, S. Brunton, W. W. Heidbrink, E. Kolemen, “Alfvén eigenmode classification based on ECE diagnostics at DIII-D using deep recurrent neural networks”, Nuclear Fusion, doi: 10.1088/1741-4326/ac3be7 pdf
  • A. Jalalvand, J. Abbate, R. Conlin, G. Verdoolaege, E. Kolemen, “Real-Time and Adaptive Reservoir Computing with an Application to Profile Prediction in Fusion Plasma”, IEEE Transactions on Neural Networks and Learning Systems, doi: 10.1109/TNNLS.2021.3085504,  pdf
  • A. O. Nelson, F. M. Laggner, A. Diallo, Z. A. Xing, D. R. Smith, and E. Kolemen, “Perturbative Determination of Plasma Microinstabilities in Tokamaks,” submitted to Physical Review Letters, https://arxiv.org/abs/2102.04403
  • Timothy Y. Chen and Benjamin M. Goldberg and Christopher J. Kliewer and Egemen Kolemen and Yiguang Ju, “Spatially and time-resolved fs/ps CARS measurements of rotation-vibration non-equilibrium in a CH4/N2 nanosecond-pulsed discharge”, AIAA Scitech 2021 Forum (2021), doi: 10.2514/6.2021-1701
  • Timothy Y. Chen and Benjamin M. Goldberg and Egemen Kolemen and Yiguang Ju and Christopher J. Kliewer, “Time and frequency-domain fs/ps CARS measurements and modelling of the CH<sub>4</sub> v1 vibrational Q-branch”, AIAA Scitech 2021 Forum (2021), doi: 10.2514/6.2021-1143
  • R. Conlin, J. Abbate, K. Erickson and E. Kolemen, “Keras2c: A library for converting Keras neural networks to real-time compatible C”, Engineering Applications of Artificial Intelligence, 2021 https://doi.org/10.1016/j.engappai.2021.104182 pdf
  • J. Abbate and R. Conlin, E. Kolemen, “Data-Driven Profile Prediction for DIII-D”, Nuclear Fusion, 61 046027 (2021) https://doi.org/10.1088/1741-4326/abe08d pdf
  • KC Hammond, FM Laggner, A Diallo, S Doskoczynski, C Freeman, H Funaba, DA Gates, R Rozenblat, G Tchilinguirian, Z Xing, I Yamada, R Yasuhara, E Kolemen, “Initial operation of a real-time Thomson scattering evaluation system on the Large Helical Device,” arxiv pre-print (2021), https://arxiv.org/abs/2101.03444
  • A.O. Nelson, Z.A. Xing, O. Izacard, F.M. Laggner, E. Kolemen, “Interpretative SOL modeling throughout multiple ELM cycles in DIII-D” Nuclear Materials and Energy, 26 100883 (2021) https://doi.org/10.1016/j.nme.2020.100883 pdf

2020

  • J.T. Wai, P.J. Vail, A.O. Nelson, Z.A. Xing, C. Lasnier, E. Kolemen, “Infrared constrained equilibrium and application to snowflake divertor studies.” Nuclear Materials and Energy (2020) doi:10.1016/j.nme.2020.100835 pdf
  • T.Y. Chen, C.J. Kliewer, B.M. Goldberg, E. Kolemen, and Y. Ju, “Time-domain modelling and thermometry of the CH4  Q-branch using hybrid femtosecond/picosecond coherent anti-Stokes Raman scattering,” Combustion and Flame, accepted (2020) pdf
  • A.E. Fisher, Z. Sun, E. Kolemen, Liquid metal “divertorlets” concept for fusion reactors, Nuclear Materials and Energy (2020), https://doi.org/10.1016/j.nme.2020.100855
  • T.Y. Chen, T.S. Taneja, A.C. Rousso, S. Yang, E. Kolemen, and Y. Ju, “Time-resolved in situ measurements and predictions of plasma-assisted methane reforming in a nanosecond-pulsed discharge,” Proceedings of the Combustion Institute (2020) https://doi.org/10.1016/j.proci.2020.06.100 pdf
  • T.Y. Chen, B.M. Goldberg, B.D. Patterson, E. Kolemen, Y. Ju, and C.J. Kliewer, “1-D imaging of rotation-vibration non-equilibrium from pure rotational ultrafast coherent anti-Stokes Raman scattering,” Optics Letters, 45, 4252-4255 (2020) https://doi.org/10.1364/OL.394122 pdf
  • A. O. Nelson, N. Logan, W. Choi, E. Strait, E. Kolemen, “Experimental evidence of ECCD-based NTM suppression threshold reduction during mode locking on DIII-D” Plasma Physics and Controlled Fusion, (2020) doi:10.1088/1361-6587/ab9b3b pdf
  • F. M. Laggner, D. Eldon, A. O. Nelson, C. Paz-Soldan, A. Bortolon, T. E. Evans, M. E. Fenstermacher, B. A. Grierson, Q. Hu, D. A. Humphreys, A. Hyatt, R. Nazikian, O. Meneghini, P. B. Snyder, E. A. Unterberg, E. Kolemen, “Real-time pedestal optimization and ELM control with 3D fields and gas flows on DIII-D”, Nuclear Fusion 60 076004 (2020) doi:10.1088/1741-4326/ab88e1 pdf
  • A. O. Nelson, F. M Laggner, R. J Groebner, B. A. Grierson, O. Izacard, D. Eldon, M. Shafer, A. W. Leonard, D. Shiraki, A. C. Sontag, E. Kolemen, “Setting the H-mode pedestal structure: variations of particle source location using gas puff and pellet fueling”, Nuclear Fusion 60 046003 (2020) doi:10.1088/1741-4326/ab5e65 pdf
  • Y. Fu, D. Eldon, K. Erickson, K. Kleijwegt, L. Lupin-Jimenez, M. D Boyer, N. Eidietis, N. Barbour, O. Izacard, and E. Kolemen, “Machine learning control for disruption and tearing mode avoidance”, Physics of Plasmas 27, 022501 (2020) doi:10.1063/1.5125581 pdf
  • A. S. Glasser, A.H. Glasser, Rory Conlin, and Egemen Kolemen, “An ideal MHD δW stability analysis that bypasses the Newcomb equation”, Physics of Plasmas, 27, 022114 (2020) doi:10.1063/1.5109160 pdf
  • M. G. Hvasta, G. Bruhaug, A. E. Fisher, D. Dudt, E. Kolemen, “Liquid Metal Diagnostics”, Fusion Science and Technology 76 (1), 62-69 (2020) doi:10.1080/15361055.2019.1661719 pdf
  • D. W. Dudt, and E. Kolemen, “DESC: A stellarator equilibrium solver”, Physics of Plasmas, 27, 102513 (2020) doi:10.1063/1.5109160 pdf

2019

  • J.T. Wai, P.J. Vail, E. Kolemen, “Control pathway for an advanced divertor in ITER.” Fusion Eng. and Design (2019) doi:10.1016/j.fusengdes.2020.111957 pdf
  • A. O. Nelson, M. E. Austin, and E. Kolemen, “Electron cyclotron emission based q-profile measurement and concept for equilibrium reconstruction.” Plasma Phys. Control. Fusion (2019) doi:10.1088/1361-6587/ab24a4 pdf
  • E. Kolemen, M. Hvasta, R. Majeski, R. Maingi, A. Brooks, and T. Kozub “Design of the Flowing LIquid Torus (FLIT)” Nucl. Mat. and Energy (2019) doi:10.1016/j.nme.2019.01.005 pdf
  • A. O. Nelson, R. J. La Haye, M. E. Austin, A. S. Welander, and E. Kolemen, “Simultaneous detection of neoclassical tearing mode and electron cyclotron current drive locations using electron cyclotron emission in DIII-D.” Fusion Eng. and Design (2019) doi:10.1016/j.fusengdes.2019.02.089 pdf
  • T. Y Chen, A. C. Rousso, S. Wu, B. M Goldberg, H. V. D. Meiden, Y. Ju and E. Kolemen, “Time-resolved characterization of plasma properties in a CH4/He nanosecond-pulsed dielectric barrier discharge”, Journal of Physics D: Applied Physics (2019) doi:10.1088/1361-6463/ab0598 pdf
  • F. M. Laggner, A. Diallo, M. Cavedon, E. Kolemen, “Inter-ELM pedestal localized fluctuations in tokamaks: Summary of multi-machine observations”, Nuclear Materials and Energy (2019) doi:10.1016/j.nme.2019.02.030 pdf
  • D. Eldon, E. Kolemen, D. A. Humphreys, A. W. Hyatt, A. E. Jarvinen, A. W. Leonard, A. G. McLean, A. L. Moser, T. W. Petrie, M. L. Walker, “Advances in radiated power control at DIII-D”, Nuclear Materials and Energy,  (2019) doi:10.1016/j.nme.2019.01.010 pdf
  • F. M. Laggner, A. Diallo, B. P. LeBlanc, R. Rozenblat, G. Tchilinguirian, E. Kolemen, “A scalable real-time framework for Thomson scattering analysis: Application to NSTX-U”, Review of Scientific Instruments 90, 043501 (2019) doi:10.1063/1.5088248 pdf
  • R. Rozenblat, E. Kolemen, F. M. Laggner, C. Freeman, G. Tchilinguirian, P. Sichta, G. Zimmer, “Development of Real-Time Software for Thomson Scattering Analysis at NSTX-U”, Fusion Science and Technology,  (2019) doi:10.1080/15361055.2019.1658037 pdf
  • I. Char, Y. Chung, W. Neiswanger, K. Kandasamy, A. O. Nelson, M. Boyer, E. Kolemen, J. Schneider, “Offline contextual bayesian optimization”, Advances in Neural Information Processing Systems, (2019) pdf
  • A. E. Fisher, M.G. Hvasta, and E. Kolemen, “Study of liquid metal surface wave damping in the presence of magnetic fields and electrical currents.” Nucl. Mat. and Energy. 19 (2019) doi:10.1016/j.nme.2019.02.014 pdf
  • P. J. Vail, O. Izacard and E. Kolemen. “Optimization of the snowflake divertor for power and particle exhaust on NSTX-U.” Nucl. Mat. and Energy. 19 (2019) doi:10.1016/j.nme.2019.03.003 pdf
  • P. J. Vail, M. D. Boyer, A. S. Welander and E. Kolemen. “Design and simulation of the snowflake divertor control for NSTX-U.” Plasma Phys. Control. Fusion. 61.3 (2019). doi:10.1063/1.5029477 pdf

2018

  • A. S. Glasser and E. Kolemen. “A robust solution for the resistive MHD toroidal \Delta^{\prime} matrix in near real-time.” Phys. Plasmas. 25.8 (2018). doi:10.1063/1.5029477  pdf
  • A. E. Fisher, E. Kolemen and M. G. Hvasta. “Experimental demonstration of hydraulic jump control in liquid metal channel flow using Lorentz force.” Phys. Fluids. 30.6 (2018). doi:10.1063/1.5026993 pdf
  • M. G. Hvasta, D. Dudt, A. E. Fisher and E. Kolemen. “Calibrationless rotating Lorentz-force flowmeters for low flow rate applications.” Meas. Sci. Technol. 29.7 (2018). doi:10.1088/1361-6501/aac3b5 pdf
  • E. Kolemen, P. J. Vail et al. “Initial development of the DIII-D snowflake divertor control.” Nucl. Fusion. 58.6 (2018). doi:10.1088/1741-4326/aab0d3 pdf
  • A. Glasser, E. Kolemen and A. H. Glasser. “A Riccati solution for the ideal MHD plasma response with applications to real-time stability control.” Phys. Plasmas. 25.3 (2018). doi:10.1063/1.5007042 pdf

2017

  • M. G. Hvasta, E. Kolemen, A. E. Fisher and H. Ji. “Demonstrating electromagnetic control of free-surface, liquid-metal flows relevant to fusion reactors.” Nucl. Fusion. 58.1 (2017). doi:10.1088/1741-4326/aa9344 pdf
  • M. Modestov, E. Kolemen, A. E. Fisher and M. G. Hvasta. “Electromagnetic control of heat transport within a rectangular channel filled with flowing liquid metal.” Nucl. Fusion. 58.1 (2017). doi:10.1088/1741-4326/aa8bf4 pdf
  • M. G. Hvasta, N. T. Slighton, E. Kolemen and A. E. Fisher. “Experimental calibration procedures for rotating Lorentz-force flowmeters.” Meas. Sci. Technol. 28.8 (2017). doi:10.1088/1361-6501/aa781b pdf
  • D. Eldon, E. Kolemen et al. “Controlling marginally detached divertor plasmas.” Nucl. Fusion. 57.6 (2017). doi:10.1088/1741-4326/aa6b16 pdf
  • A. Fil, E. Kolemen et al. “Modeling of lithium granule injection in NSTX using M3D-C1.” Nucl. Fusion. 57.5 (2017). doi:10.1088/1741-4326/a66b1 pdf
  • M. G. Hvasta, E. Kolemen, and A. Fisher. “Application of IR imaging for free-surface velocity measurement in liquid-metal systems.” Rev. Sci. Instrum. 88.1 (2017). doi:10.1063/1.4973421 pdf

2015

  • E. Kolemen et al. “Heat flux management via advanced magnetic divertor configurations and divertor detachment.” J. Nucl. Mater. 463 (2015). doi:10.1016/j.jnucmat.2014.11.099 pdf
  • D. Eldon et al. “Evolution of E × B shear and coherent fluctuations prior to H-L transitions in DIII-D and control strategies for H-L transitions.” Phys. Plasmas. 22.11 (2015). doi:10.1063/1.4935919 pdf
  • D. Eldon et al. “Investigation of peeling-ballooning stability prior to transient outbursts accompanying transitions out of H-mode in DIII-D.” Phys. Plasmas. 22.5 (2015). doi:10.1063/1.4919942 pdf

2014

  • E. Kolemen et al. “State-of-the-art neoclassical tearing mode control in DIII-D using real-time steerable electron cyclotron current drive launchers.” Nucl. Fusion. 54.7 (2014). doi:10.1088/0029-5515/54/7/073020 pdf

2013

  • E. Kolemen et al. “Real-time mirror steering for improved closed loop neoclassical tearing mode suppression by electron cyclotron current drive in DIII-D.” Fusion Eng. Design. 88.11 (2013). doi:10.1016/j.fusengdes.2013.02.168 pdf

2011

2010