APS-DPP Presentations

2016

Conference Website

Primary Author Title Abstract Presentation
Reusch, J.A.
Advancing Non-Solenoidal Startup on the Pegasus ST
Schlossberg, D.J.
Electron Temperature Evolution During Local Helicity Injection on the Pegasus Toroidal Experiment
Bongard, M.W.
Overview of Non-Solenoidal Startup Studies in the Pegasus ST
Perry, J.M.
Non-Solenoidal Tokamak Startup via Inboard Local Helicity Injection on the Pegasus ST
Bodner, G.M. Thomson Scattering Measurements During Local Helicity Injection in the Pegasus Toroidal Experiment Abstract Poster
Barr, J.L.
MHD and Reconnection Activity During Local Helicity Injection
Fonck, R.J.
H-mode and ELM Characteristics at Ultralow Aspect Ratio in the Pegasus Experiment
Burke, M.G. Development of a Technique for Measuring Local Electric Field Fluctuations in High Temperature Plasmas Abstract Poster
Bakken, M.R. Neutral Beam Source and Target Plasma for Development of a Local Electric Field Fluctuation Diagnostic Abstract Poster

2015

Conference Website

Primary Author Title Abstract Presentation
Bongard, M.W.
H-mode and Edge Physics on the Pegasus ST: Progress and Future Directions
Perry, J.M.
Expanding Non-solenoidal Startup with Local Helicity Injection to Increased Toroidal Field and Helicity Injection Rate
Reusch, J.A.
Non-solenoidal Startup via Local Helicity Injection on Pegasus: Progress and Plans
Fonck, R.J.
The Pegasus-Upgrade Experiment
Thome, K.E.
Effect of Aspect Ratio on H-mode and ELM Characteristics
Barr, J.L.
Power Balance Modeling and Validation for ST Startup Using Local Helicity Injection
Hinson, E.T.
Physics of Plasma Cathode Current Injection During LHI
Schlossberg, D.J.
New Electron Temperature Measurements During Local Helicity Injection and H-mode Plasmas at the Pegasus Toroidal Experiment
Bodner, G.M. Spatial Expansion and Automation of the Pegasus Thomson Scattering Diagnostic System Abstract Poster
Kriete, D.M. H-mode Edge Turbulence and Pedestal Measurements in Pegasus Plasmas Using Langmuir Probes Abstract Poster
Bakken, M.R. Progress Toward a New Technique for Measuring Local Electric Field Fluctuations in High Temperature Plasmas Abstract Poster
Burke, M.G. Ion Heating During Local Helicity Injection Plasma Startup in the Pegasus ST Abstract Poster

2014

Conference Website

Primary Author Title Abstract Presentation
Barr, J.L.
Towards a Predictive Capability for Local Helicity Injection Startup
Thome, K.E.
H-mode Characteristics and ELM Dynamics at Near-Unity Aspect Ratio
Bongard, M.W.
Initiatives in Non-Solenoidal Startup and H-mode Physics at Near-Unity A
Preston, R.C.
Magnetics and Power System Upgrades for the Pegasus-U Experiment
Perry, J.M.
Predictions for Non-Solenoidal Startup in Pegasus with Lower Divertor Helicity Injectors
Hinson, E.T.
Physics of Intense Electron Current Sources for Helicity Injection
Burke, M.G.
Anomalous Ion Heating, Intrinsic and Induced Rotation in the Pegasus Toroidal Experiment
Schlossberg, D.J.
Initial Thomson Scattering Survey of Local Helicity Injection and Ohmic Plasmas at the Pegasus Toroidal Experiment
Bodner, G.M. Probe Measurements in the H-mode Pedestal Region in the Pegasus Toroidal Experiment Abstract Poster
Thompson, D.S. Progress Toward a Technique for Measuring Electric Field Fluctuations in Tokamak Core Plasmas Abstract Poster

2013

Conference Website

Primary Author Title Abstract Presentation
Hinson, E.T.
Advancing High Current Startup via Localized Helicity Injection in the Pegasus Toroidal Experiment
Thome, K.E.
H-mode Characterization and Edge Stability at Near-Unity Aspect Ratio in Pegasus Discharges
Redd, A.J.
The Physics of Local Helicity Injection Non-solenoidal Tokamak Startup
Barr, J.L.
Predictive Power-Balance Modeling of Pegasus and NSTX-U Local Helicity Injection Discharges
Perry, J.M.
Local Helicity Injection Systems for Non-solenoidal Startup in the Pegasus Toroidal Experiment
Burke, M.G.
Impurity Ion Temperature and Flow Dynamics During Local Helicity Injection on the Pegasus Toroidal Experiment
Fonck, R.J.
Access to and Characterization of Ohmic H-mode Plasmas at Near-Unity Aspect Ratio
Bongard, M.W.
Initial Investigations of H-mode Edge Dynamics in the Pegasus Toroidal Experiment
Schlossberg, D.J. Commissioning of Thomson Scattering on the Pegasus Toroidal Experiment Abstract Poster
Thompson, D.S. Development of a Technique for Measuring Local Electric Field Turbulence in a Tokamak Plasma Abstract Poster

2012

Conference Website

Primary Author Title Abstract Presentation
Fonck, R.J.
Progress in Non-solenoidal Startup via Local Helicity Injection in the Pegasus Experiment
Bongard, M.W.
Non-solenoidal Startup through Local Helicity Injection in the Pegasus Torodial Experiment
Barr, J.L.
MHD During Relaxation and Growth of DC Helicity Injection Plasmas on Pegasus
Hinson, E.T.
Limiting Currents of Pegasus Helicity-Injection Sources
Burke, M.G..
Magnetic Reconnection and Ion Flows During Point-Source DC Helicity Injection on the Pegasus Toroidal Experiment
Thome, K.E.
Improved Density Control in the Pegasus Toroidal Experiment Using Internal Fueling
Schlossberg, D.J.
Energy Confinement and Helicity Dissipation Studies Using Thomson Scattering on the Pegasus Toroidal Experiment
Schoenbeck, N.L.
Design and Operation of a Frequency Doubled Nd:YAG Thomson Scattering System with Transmission Grating ICCD Spectrometer
Shriwise, P.C. Divertor Coil Design and Implementation on Pegasus Abstract Poster
Perry, J.M. Upgrades to Power Systems and Magnetic Field Coils in the Pegasus Toroidal Experiment Abstract Poster
Redd, A.J. Feasibility Study for Local Helicity Injection Startup in the NSTX Upgrade (NSTX-U) Device Abstract Poster

2011

Conference Website

Primary Author Title Abstract Presentation
Redd, A.J.
Recent Results from the Pegasus Toroidal Experiment
Fonck, R.J.
Plasma Startup via Local Helicity Injection in Pegasus
Bongard, M.W.
Peeling Instability in the Pegasus ST
Hinson, E.T.
Impedance Model for Outboard Midplane Helicity-Injection Sources
Barr, J.L.
MHD Evolution in Point-Source Helicity Injection Driven Plasmas on Pegasus
Thome, K.E.
Ohmic Confinement Studies in the Pegasus Toroidal Experiment
Schoenbeck, N.L.
Development of a Multichannel Spectrometer for the Thomson Scattering Diagnostic on Pegasus
Schlossberg, D.J.
Implementation of a Thomson Scattering Diagnostic on Pegasus

2010

Conference Website

Primary Author Title Abstract Presentation
Fonck, R.J.
Progress in Nonsolenoidal Plasma Startup Using Point-Source Helicity Injection in the Pegasus ST
Redd, A.J.
The Pegasus Toroidal Experiment Program
Bongard, M.W.
Equilibrium and Stability Properties of Pegasus Edge Plasmas
Hinson, E.T.
Plasma Properties in the Pegasus Edge Region
Burke, M.G.
Ion Temperature Measurements in the Pegasus Toroidal Experiment
Thome, K.E.
Study of Impurities in the Pegasus Toroidal Experiment
Barr, J.L.
Low-m Tearing Mode Studies on Pegasus
Schlossberg, D.J.
Design of the Thomson Scattering Diagnostic on the Pegasus Toroidal Experiment

2009

Conference Website

Primary Author Title Abstract Presentation
Redd, A.J.
Point-source helicity injection for ST plasma startup in Pegasus
Bongard, M.W.
Edge current profile measurements of peeling-like modes at high <jedge/B> in Pegasus
Fonck, R.J.
The Pegasus Toroidal Experiment Program
Schlossberg, D.J.
Non-solenoidal startup and low-β operations in Pegasus
Hinson, E.T.
Edge current and pressure measurements of plasma equilibrium and stability properties in Pegasus

2008

Conference Website

Primary Author Title Abstract Presentation
Sontag, A.C.
Non-solenoidal Plasma Startup in the Pegasus Toroidal Experiment (Invited)
Battaglia, D.J.
Point-source DC Helicity Injection on the Pegasus Toroidal Experiment
Sontag, A.C.
Overview of the Pegasus Toroidal Experiment
Poster
Redd, A.J.
Non-solenoidal Startup in Pegasus Discharges
Bongard, M.W.
Characterization of Edge Instabilities in the Pegasus Toroidal Experiment
Lewicki, B.T.
Pegasus Power System Facility Upgrades

 

2007

Conference Website

Primary Author Title Abstract Presentation
Eidietis, N.W.
Non-Solenoidal Startup of the Ultra-Low Aspect Ratio Pegasus ST
Sontag, A.C.
Overview of the Pegasus Experimental Program
Unterberg, E.A.
Operations at High IN in the Pegasus Toroidal Experiment
Squires, B.J.
Nonsolenoidal startup of Pegasus plasmas using DC helicity injection and poloidal field induction
Battaglia, D.J.
Global energy confinement studies on the Pegasus Toroidal Experiment
Bongard, M.W.
Initial Edge Stability Observations in the Pegasus Toroidal Experiment
McGarry, M.B.
An Upgraded Soft X-ray Pinhole Camera for Current Profile Measurements on the Pegasus Toroidal Experiment

2006

Conference Website

Primary Author Title Abstract Presentation
Eidietis, N.W.
Non-inductive production of tokamak-like ST plasmas with washer gun sources on the Pegasus Toroidal Experiment
Garstka, G.D.
Noninductive startup and sustainment of ST plasmas by localized plasma sources
Unterberg, E.A.
Experiments at High Ip/Itf in the Pegasus Toroidal Experiment
Squires, B.J.
Magnetic equilibrium reconstruction of Pegasus plasmas
Frost, M.J.
Impurity and radiated power measurements on the Pegasus Toroidal Experiment
Bongard, M.W.
Implementation of the Pegasus Digital Plasma Control System
Battaglia, D.J.
Programmable power supplies for the Pegasus Toroidal Experiment

2005

Conference Website

Primary Author Title Abstract Presentation
Unterberg, E.A.
Towards High Normalized Current in the Pegasus Toroidal Experiment
Squires, B.J.
The Phase II Campaign for the Pegasus Toroidal
Experiment
Eidietis, N.W.
Non-Inductive Startup Via a Plasma Gun DC Helicity Source on the Pegasus Experiment
Bongard, M.W.
Development of an Active Plasma Control System for Pegasus
Battaglia, D.J.
Electron Temperature Diagnostics on the Pegasus Toroidal Experiment
Garstka, G.D.
Planned EBW Heating and Current Drive Experiments on Pegasus
Diem, S.J.
Modeling of EBW Propagation and Damping on Pegasus

2004

Conference Website

Primary Author Title Abstract Presentation
Fonck, R.J.
Plasma Studies at High Normalized Current in the Pegasus Experiment
Unterberg, E.A.
Stability Studies at High Field Utilization in the Pegasus Toroidal Experiment
Kozar, M.P.
Soft X-Ray and Radiated Power Measurements on Pegasus
Battaglia, D.J.
Impurity Spectroscopy and Wall Conditioning on Pegasus
Burke, S.P.
Control, Data Acquisition and Analysis Systems on the Pegasus ST
Lewicki, B.T.
Facility and Programmable Power Supply Development for the Pegasus ST
Eidietis, N.W.
Fueling and Plasma Initiation Tests with a Plasma Gun on the Pegasus Toroidal Experiment
Garstka, G.D.
Potential Electron Bernstein Wave Heating Experiments on Pegasus

2003

Conference Website

Primary Author Title Abstract Presentation
Garstka, G.D.
The Path to High Field Utilization and Beta in the Pegasus Toroidal Experiment
Unterberg, E.A.
Low-q Operation in an Ultra-Low-Aspect-Ratio Torus
Eidietis, N.W.
Modeling Pegasus Plasmas with TSC
Quinn, J.C.
Pegasus Facility Upgrades
Burke, S.P.
Upgraded Diagnostics and Control Systems for the Pegasus Toroidal Experiment

2002

Conference Website

Primary Author Title Abstract Presentation
Garstka, G.D.
Performance and Stability of Near-Unity Aspect Ratio Plasmas in the Pegasus Toroidal Experiment (Invited)
Unterberg, E.A.
Characteristics of OH Plasmas in the Pegasus Toroidal Experiment
Lewicki, B.T.
Overview of Pegasus Results and Facility Upgrades
Sontag, A.C.
Equilibrium and Stability Analysis of Pegasus Plasmas
Diem, S.J.
Diagnostic Systems on the Pegasus Toroidal Experiment
Tritz, K.L.
Tangential Soft X-ray Imaging for Current Profile Reconstruction on Pegasus

2001

Conference Website

Primary Author Title Abstract Presentation
Fonck, R.J.
Performance and Stability Limits at Near-unity Aspect Ratio in the Pegasus Experiment
Sontag, A.C.
Equilibrium and Stability Analysis of Pegasus Plasmas
Unterberg, E.A.
Characteristics and Stability of OH Plasma in the Pegasus Toroidal Experiment
Garstka, G.D.
MHD Activity and Analysis at Near-Unity Aspect Ratio in Pegasus
Diem, S.J.
Magnetic Reconstruction and Stability Analysis of Pegasus Plasmas
Tritz, K.L.
2-D SXR Imaging for j(R,t) and Equilibrium Reconstruction in Pegasus
Probert, P.H.
High Harmonic Fast Wave Heating in Pegasus
Ostrander, C. N.
Multi-Color Soft X-Ray Measurements of Te in the Pegasus Toroidal Experiment
Schooff, R. J.
Time-resolved Pulse-Height Analysis and 1-D Bolometric imaging of Pegasus Plasmas
Lewicki, B.T.
Facility Development for the Pegasus Toroidal Experiment