Presentations

2021

  • R. Conlin, D. Dudt, D. Panici and E. Kolemen, “Updates and improvements to the DESC code for finding and optimizing stellarator equilibria” PPPL Stellarator Seminar, May 2021. pdf
  • D. Dudt, R. Conlin, D. Panici and E. Kolemen, “DESC: Fast and flexible stellarator equilibrium optimization” IPP MHD topical group, April 2021. pdf
  • A. O. Nelson, F. M. Laggner, A. Diallo, D. R. Smith, R. Shousha, Z. A. Xing, E. Kolemen, “Experimental identification of inter-ELM pedestal MTMs through edge current perturbations.” Plenary Talk at TTF, April 2021. pdf

2020

  • A. Jalalvand, J. Abbate, R. Conlin, E. Koleman, G. Verdoolaege, “Hyper-dimensional time-series data analysis with reservoir computing networks to predict plasma profiles in tokamak”, APS-DPP (virtual), November 2020. pdf
  • J. Wai, P. J. Vail, A.O. Nelson, Z.A. Xing, C. Lasnier, and E. Kolemen, “Infrared constrained equilibria and application to snowflake divertor studies”, APS-DPP (virtual), November 2020. pdf
  • Zichuan Xing, AO Nelson, O Izacard, ME Austin, A Marinoni, A Jarvinen, M Umansky, E Kolemen, “Automating Interpretive Edge Transport Modeling on DIII-D with UEDGE,” APS-DPP (virtual), November 2020. ppt
  • Andrew Nelson, Florian Laggner, Ahmed Diallo, Zheng Yan, Egemen Kolemen, “Experimental characterization of turbulent modes in the DIII-D H-mode pedestal,” APS-DPP (virtual), November 2020. pdf
  • Egemen Kolemen, R Shousha, A Nelson, N Logan, J Park, “Adaptive ELM Control and Real-Time Feedback MHD Spectroscopy at KSTAR” APS-DPP (virtual), November 2020.
  • Rory Conlin, Joseph Abbate, Keith Erickson, Alexander S Glasser, Egemen Kolemen, “Physics and Machine Learning Based Approaches to Stability Analysis and Control on DIII-D,” APS-DPP (virtual), November 2020. pdf
  • Ricardo Shousha, John Ferron, Zichuan Xing, Oak Nelson, Keith Erickson, Egemen Kolemen, “Real-time Equilibrium Reconstruction with Kinetic Constraints on DIII-D,” APS-DPP (virtual), November 2020. ppt
  • Daniel Dudt, Egemen Kolemen, “DESC: An Efficient Stellarator Equilibrium Code,” APS-DPP (virtual), November 2020. pdf
  • Timothy Chen, Benjamin Goldberg, Christopher Kliewer, Egemen Kolemen, Yiguang Ju, “Spatially-resolved time-evolution of rotation-vibration non-equilibrium and CH concentration measured by fs/ps CARS in a nanosecond-pulsed pin-to-pin discharge,” APS-GEC (virtual), October 2020.
  • M. Wolff, J. Abbate, R. Conlin, E. Kolemen, “Machine Learning for Shot Classification on the DIII-D Tokamak,” PPPL SULI Program, Summer 2020 pdf

2019

  • J. Wai, P. J. Vail, and E. Kolemen, “Control of Advanced Divertors — NSTXU, ITER, D3D”, 24th Workshop on MHD Stability Control, New York City, NY, October 2019. pdf
  • A. O. Nelson, R. J. La Haye, M. E. Austin, A. S. Welander, and E. Kolemen, “ECE-based Tearing Mode Suppression and Equilibrium Reconstruction”, 24th Workshop on MHD Stability Control, New York City, NY, October 2019. pdf
  • J. Abbate, R. Conlin, K. Erickson, and E. Kolemen, “Machine Learning Plasma Profile Prediction for Model-Predictive Control at DIII-D”, 24th Workshop on MHD Stability Control, New York City, NY, October 2019. pdf
  • D. Dudt and E. Kolemen, “Equilibria Stability Calculations from the Fixed Point of a Map”, 24th Workshop on MHD Stability Control, New York City, NY, October 2019. pdf
  • R. Conlin, A. S. Glasser, and E. Kolemen, “A Dynamical Systems Interpretation of Ideal MHD Stability with Applications to Fast Robust Calculations and New Physical Insight”, 24th Workshop on MHD Stability Control, New York City, NY, October 2019. pdf
  • A. O. Nelson, F. M. Laggner, A. Diallo, and E. Kolemen, “Characterization of pedestal modes through fast vertical oscillations at DIII-D”, APS DPP, Fort Lauderdale, FL, October 2019. pdf
  • J. Abbate, R. Conlin, K. Erickson, and E. Kolemen, “Machine learning plasma profile prediction for model-predictive control at DIII-D”, APS DPP, Fort Lauderdale, FL, October 2019. pdf
  • J. Wai, P. J. Vail, E. Kolemen, and the NSTX-U Team, “Control of Advanced Divertors in NSTX-U and ITER”, APS DPP, Fort Lauderdale, FL, October 2019. pdf
  • R. Conlin, J. Abbate, K. Erickson, and E. Kolemen, “Model Predictive Control of Plasma Profiles at DIII-D”, APS DPP, Fort Lauderdale, FL, October 2019. pdf
  • D. Dudt, and E. Kolemen, “Stellarator Equilibrium Construction Based on a Poincaré Sections Approach”, APS DPP, Fort Lauderdale, FL, October 2019. pdf
  • A. O. Nelson, F. M. Laggner, O. Izacard, A. C. Sontag, R. Groebner, D. Eldon, B. Grierson, M. W. Shafer, A. Leonard, D. Shiraki, E. Kolemen, and the DIII-D Team, “On the role of particle source location in settling the H-mode pedestal structure”, HMWS 2019, Shanghai, China, October 2019.
  • D. Dudt, and E. Kolemen, “3-D MHD Equilibria Construction Based on a Poincaré Sections Approach,” ISHW 2019, Madison, WI, September 2019. pdf
  • A. E. Fisher, T. Tanaka, T. Kunugi, J. Yagi, K. Kusumi, Y. Go, G. Yamazaki, and E. Kolemen, “Experimental Demonstration of Lorentz Force Propulsion on Free-Surface Liquid Metal Channel Flow,” ISLA 2019, University of Illinois Urbana-Champaign, IL, September 2019. pdf
  • J. Abbate, R. Conlin, K. Erickson, E. Kolemen, “Plasma Profile Prediction and Control in Tokamaks.” Andlinger Center for Energy and the Environment E-ffiliates 2019 retreat, Princeton, NJ, June 2019. pdf
  • A. E. Fisher, E. Kolemen, “Free-surface liquid metal flow control for PFC applications.” Oroshhi-2 Workshop, Toki, Japan, February 2019. 

2018

  • E. Kolemen, “Data-based plasma stability analysis and control.” Invited Speaker, MHD Workshop, Los Angeles, CA, November 2018.
  • E. Kolemen, “Path to Stable Tokamak Operation: Plasma stability analysis using physics-based and data-based approaches for real-time control.” Invited Speaker, APS-DPP, Portland, OR, November 2018.
  • E. Kolemen, “Climate Engineering Science.” Invited Speaker, Round table on Climate Engineering and Religion, Princeton, NJ, May 2018.
  • F. M. Laggner, E. Kolemen, A. Diallo, R. J. Groebner, K. Barada, A. Nelson, T. H. Osborne and the DIII-D team. “Vertical Plasma Oscillations as a Tool to perturb the Pedestal in the DIII-D Tokamak.” 60th Annual Meeting of the APS Division of Plasma Physics. November 5-9, 2018, Portland, OR. pdf
  • A. O. Nelson, E. Kolemen, F. M. Laggner, O. Izacard, R. Groebner, D. Eldon, M.W. Shafer, A. Leonard, D. Shiraki, A. C. Sontag and the DIII-D Team. “Pedestal fueling variation in a closed divertor configuration at DIII-D.” 60th Annual Meeting of the APS Division of Plasma Physics. November 5-9, 2018, Portland, OR. pdf
  • F. M. Laggner, E. Kolemen, A. Diallo, R. J. Groebner, E. Wolfrum, K. Barada, M. Cavedon, B. A. Grierson, G. F. Harrer, F. Mink, T. H. Osborne, P. B. Snyder, the ASDEX Upgrade team and the DIII-D team. “The universality of inter-ELM pedestal fluctuations in AUG and DIII-D.” 27th IAEA Fusion Energy Conference. October 22-27, 2018, Gandhinagar, INDIA. pdf
  • F. M. Laggner, E. Kolemen and A. Diallo. “Inter-ELM pedestal fluctuations and their parametric (in-)dependencies.” 23rd International Conference on Plasma Surface Interactions in Controlled Fusion Devices. June 17-22, 2018, Princeton, NJ. pdf
  • A. E. Fisher, E. Kolemen and M. G. Hvasta. “Effects of Externally Applied Lorentz Force on Liquid Metal Surface Stability.” 23rd International Conference on Plasma Surface Interactions in Controlled Fusion Devices. June 17-22, 2018, Princeton, NJ. pdf
  • P. J. Vail, E. Kolemen and O. Izacard. “Divertor Heat Flux and Particle Control on NSTX-U via Optimization of Plasma Boundary and Divertor Shape.” 23rd International Conference on Plasma Surface Interactions in Controlled Fusion Devices. June 17-22, 2018, Princeton, NJ.
  • Y. Fu et al. “Disruption prediction using machine learning algorithms for DIII-D.” Machine Learning in Plasma Physics, March 19, 2018, Princeton Plasma Physics Laboratory, Princeton, NJ. pdf
  • M. G. Hvasta, D. Dudt, A. E. Fisher, E. Kolemen, “The future of flowmeters: Non-contact, non-invasive, calibrationless.” Princeton Innovation Forum, Princeton University, Princeton, NJ, March 2018. pdf
  • T. Chen. “Plasma-Assisted Fuel Reforming of Methane Using Nonequilibrium Excitation.” General Examination, January 19, 2018, Department of Mechanical and Aerospace Engineering, Princeton, NJ. pdf
  • Jalal Butt, Egemen Kolemen, “Predicting the Temporal Evolution of Tokamak Plasma Profiles with Deep Learning,” PPPL SULI Program, 2018 pdf

2017

  • E. Kolemen “FLIT: Flowing LIquid metal Torus.” Invited speaker, IAEA Technical Meeting on Divertor Concepts, Suzhou, China, November 2017.
  • A. E. Fisher, E. Kolemen, M. G. Hvasta et al. “Effects of Externally Applied Lorentz Force on Liquid Metal Flow.” 59th Annual Meeting of the APS Division of Plasma Physics. October 23-27, 2017, Milwaukee, WI. pdf
  • F. M. Laggner, E. Kolemen et al. “The real time multi point Thomson scattering diagnostic at NSTX-U.” 59th Annual Meeting of the APS Division of Plasma Physics. October 23-27, 2017, Milwaukee, WI. pdf
  • M. A. Roelofs, E. Kolemen, D. Eldon et al. “Plasma stability analysis using CAKE.” 59th Annual Meeting of the APS Division of Plasma Physics. October 23-27, 2017, Milwaukee, WI. pdf
  • P. J. Vail, E. Kolemen et al. “Advanced Plasma Shape Control to Enable High-Performance Divertor Operation on NSTX-U.” 59th Annual Meeting of the APS Division of Plasma Physics. October 23-27, 2017, Milwaukee, WI. pdf
  • Dhruval Patel, Dhruvit Patel, Adam Fisher, Egemen Kolemen, “Investigating methods of surface wave reconstruction,” PPPL SULI Program, 2017 pdf
  • Gerrit Bruhaug, Egemen Kolemen, Adam E. Fisher, Mike Hvasta, “Development of a Non-Contact, Induc/ve Depth Sensor for Free-Surface, Liquid-Metal,” PPPL SULI Program, 2017 pdf
  • Nathaniel Barbour, Kornee Kleijwegt, Leonard Lupin-Jimenez, Egemen Kolemen, “Machine Learning Prediction of High-Current Disruptions with Low-Current Training Data,” PPPL SULI Program, 2017 pdf