Works (80)

Updated: April 4th, 2024 14:42

2024 journal article

Pedestal main ion particle transport inference through gas puff modulation with experimental source measurements

NUCLEAR FUSION, 64(3).

author keywords: plasma; pedestal; fueling; transport
Sources: ORCID, Web Of Science, NC State University Libraries
Added: February 2, 2024

2024 journal article

Progress towards edge-localized mode suppression via magnetic perturbations in hydrogen plasmas

NUCLEAR FUSION, 64(2).

author keywords: resonant magnetic perturbations; edge-localized modes; suppression; hydrogen
Sources: ORCID, Web Of Science, NC State University Libraries
Added: January 29, 2024

2024 journal article

The role of isotope mass on neutral fueling and density pedestal structure in the DIII-D tokamak

NUCLEAR FUSION, 64(4).

author keywords: isotope; pedestal; electron density; neutral fueling
Sources: Web Of Science, NC State University Libraries
Added: March 11, 2024

2023 journal article

In-situ coating of silicon-rich films on tokamak plasma-facing components with real-time Si material injection

NUCLEAR FUSION, 63(10).

author keywords: siliconization; plasma-facing components; erosion; silicon oxide; divertor; material migration; real-time coating
Sources: Web Of Science, NC State University Libraries, ORCID
Added: December 18, 2023

2023 journal article

Inference of main ion particle transport coefficients with experimentally constrained neutral ionization during edge localized mode recovery on DIII-D

NUCLEAR FUSION, 63(4).

author keywords: VUV spectroscopy; fusion energy; tokamaks; pedestal transport; plasma confinement
Sources: Web Of Science, NC State University Libraries, ORCID
Added: March 20, 2023

2023 journal article

Micro-tearing mode dominated electron heat transport in DIII-D H-mode pedestal

Nuclear Fusion.

By: J. Chen*, X. Jian*, D. Brower*, S. Haskey*, Z. Yan*, R. Groebner*, H. Wang*, T. Rhodes* ...

Source: ORCID
Added: February 2, 2024

2023 journal article

Tungsten erosion and divertor leakage from the DIII-D SAS-VW tungsten-coated divertor in experiments with neon gas seeding

NUCLEAR MATERIALS AND ENERGY, 37.

author keywords: Tungsten divertor leakage; Tungsten erosion; Collector probes; Neon seeding
Sources: Web Of Science, NC State University Libraries
Added: November 6, 2023

2023 journal article

Wall conditioning effects and boron migration during boron powder injection in ASDEX Upgrade

NUCLEAR MATERIALS AND ENERGY, 34.

By: K. Krieger*, M. Balden*, A. Bortolon*, R. Dux*, M. Griener*, K. Hegele*, F. Laggner n, V. Rohde*, W. Wampler*, A. Team

author keywords: Nuclear fusion; Plasma physics; Wall conditioning; Boronisation
Sources: Web Of Science, NC State University Libraries, ORCID
Added: June 19, 2023

2022 journal article

DIII-D research advancing the physics basis for optimizing the tokamak approach to fusion energy

Nuclear Fusion, 62(4), 042024.

By: M. Fenstermacher*, J. Abbate*, S. Abe*, T. Abrams*, M. Adams*, B. Adamson*, N. Aiba, T. Akiyama* ...

Contributors: F. Laggner*

author keywords: DIII-D; tokamak; fusion energy; plasma physics; core-edge integration
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: December 9, 2022

2022 journal article

Deconvolving the roles of E × B shear and pedestal structure in the energy confinement quality of super H-mode experiments

Nuclear Fusion, 62(5), 056008.

By: A. Garofalo, S. Ding, W. Solomon, B. Grierson, X. Jian, T. Osborne, C. Holland, M. Knolker ...

Contributors: F. Laggner*

author keywords: tokamak; pedestal; rotation; confinement quality; fusion performance; theoretical predictions
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: December 9, 2022

2022 journal article

Design of a Novel Variable Geometry Divertor for Tokamaks

IEEE Transactions on Plasma Science.

author keywords: Plasmas; Tokamaks; Geometry; Shape; Impurities; Heating systems; Copper; Divertor; divertor closure; gas baffling; plasma-facing components; tokamak operations; variable geometry
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: November 10, 2022

2022 journal article

Details of the neutral energy distribution and ionization source using spectrally resolved Balmer-alpha measurements on DIII-D

Review of Scientific Instruments.

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: November 10, 2022

2022 journal article

Improved Particle Confinement with Resonant Magnetic Perturbations in DIII-D Tokamak H-Mode Plasmas

Physical Review Letters.

By: N. Logan*, Q. Hu*, C. Paz-Soldan*, R. Nazikian*, T. Rhodes*, T. Wilks*, S. Munaretto*, A. Bortolon* ...

Source: ORCID
Added: November 10, 2022

2022 journal article

Ion thermal transport in the H-mode edge transport barrier on DIII-D

Physics of Plasmas, 29(1), 012506.

Source: ORCID
Added: November 10, 2022

2022 journal article

Local measurements of the pedestal magnetic field profile throughout the ELM cycle on DIII-D

Physics of Plasmas.

By: M. Burke*, R. Fonck, G. McKee, K. Burrell*, S. Haskey*, M. Knolker*, F. Laggner*, T. Osborne*, B. Victor*, Z. Yan

Source: ORCID
Added: November 10, 2022

2022 journal article

Mitigation of plasma–wall interactions with low-Z powders in DIII-D high confinement plasmas

Nuclear Fusion, 62(10), 106015.

By: F. Effenberg*, A. Bortolon*, L. Casali*, R. Nazikian*, I. Bykov*, F. Scotti*, H. Wang*, M. Fenstermacher* ...

author keywords: divertor power exhaust; wall conditioning; detachment; impurity seeding; low recycling; lithium; boron
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: December 9, 2022

2022 journal article

NSTX-U theory, modeling and analysis results

Nuclear Fusion, 62(4), 042023.

Contributors: F. Laggner*

author keywords: NSTX-U; NSTX; overview
Source: ORCID
Added: December 9, 2022

2022 journal article

Progress from ASDEX Upgrade experiments in preparing the physics basis of ITER operation and DEMO scenario development

Nuclear Fusion, 62(4), 042006.

By: U. Stroth*, D. Aguiam, E. Alessi, C. Angioni, N. Arden, R. Parra, V. Artigues, O. Asunta ...

Contributors: F. Laggner*

author keywords: Asdex Upgrade; confinement; ELLM-free discharges
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: December 9, 2022

2022 journal article

Reducing the L-H transition power threshold in ITER-similar-shape DIII-D hydrogen plasmas

Nuclear Fusion, 62(12), 126050.

author keywords: L-H transition; ITER; hydrogen; helium
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: December 9, 2022

2022 journal article

Robust identification of multiple-input single-output system response for efficient pickup noise removal from tokamak diagnostics

Review of Scientific Instruments.

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: November 10, 2022

2021 journal article

A 1D Lyman-alpha profile camera for plasma edge neutral studies on the DIII-D tokamak

Review of Scientific Instruments, 92(3), 033523.

By: A. Rosenthal*, J. Hughes*, A. Bortolon*, F. Laggner*, T. Wilks*, R. Vieira*, R. Leccacorvi*, E. Marmar* ...

Contributors: A. Rosenthal*, J. Hughes*, A. Bortolon*, F. Laggner*, T. Wilks*, R. Vieira*, R. Leccacorvi*, E. Marmar* ...

TL;DR: A one dimensional, absolutely calibrated pinhole camera system was installed on the DIII-D tokamak to measure edge Lyman-alpha (Ly-α) emission from hydrogen isotopes, which can be used to infer neutral density and ionization rate profiles. (via Semantic Scholar)
Source: ORCID
Added: November 10, 2022

2021 journal article

Absolute calibration of the Lyman-α measurement apparatus at DIII-D

Review of Scientific Instruments, 92(3), 033522.

By: F. Laggner*, A. Bortolon*, A. Rosenthal*, T. Wilks*, J. Hughes*, C. Freeman*, T. Golfinopoulos*, A. Nagy*, D. Mauzey*, M. Shafer*

Contributors: F. Laggner*, A. Bortolon*, A. Rosenthal*, T. Wilks*, J. Hughes*, C. Freeman*, T. Golfinopoulos*, A. Nagy*, D. Mauzey*, M. Shafer*

TL;DR: The established calibration setup and procedure will be regularly used to re-calibrate the LLAMA during DIII-D vents to monitor possible degradation of optical components and detectors. (via Semantic Scholar)
Source: ORCID
Added: November 10, 2022

2021 journal article

Development of an integrated core–edge scenario using the super H-mode

Nuclear Fusion, 61(12), 126064.

By: T. Wilks*, M. Knolker*, P. Snyder*, D. Eldon*, F. Scotti*, C. Chrystal*, F. Laggner*, C. Lasnier* ...

author keywords: core-edge integration; super H-mode; tokamak; pedestal; divertor
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: November 10, 2022

2021 journal article

Initial operation and data processing on a system for real-time evaluation of Thomson scattering signals on the Large Helical Device

Review of Scientific Instruments, 92(6), 063523.

By: K. Hammond*, F. Laggner*, A. Diallo*, S. Doskoczynski*, C. Freeman*, H. Funaba*, D. Gates*, R. Rozenblat* ...

Contributors: K. Hammond*, F. Laggner*, A. Diallo*, S. Doskoczynski*, C. Freeman*, H. Funaba*, D. Gates*, R. Rozenblat* ...

TL;DR: A scalable system for real-time analysis of electron temperature and density based on signals from the Thomson scattering diagnostic, initially developed for and installed on the NSTX-U experiment, was recently adapted for the Large Helical Device and operated for the first time during plasma discharges. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: November 10, 2022

2021 article

Initial operation and data processing on a system for real-time evaluation of Thomson scattering signals on the Large Helical Device

ArXiv. http://www.scopus.com/inward/record.url?eid=2-s2.0-85108679563&partnerID=MN8TOARS

By: K. Hammond, F. Laggner, A. Diallo, S. Doskoczynski, C. Freeman, H. Funaba, D. Gates, R. Rozenblat ...

Contributors: K. Hammond, F. Laggner, A. Diallo, S. Doskoczynski, C. Freeman, H. Funaba, D. Gates, R. Rozenblat ...

Source: ORCID
Added: November 10, 2022

2021 journal article

Interpretative SOL modeling throughout multiple ELM cycles in DIII-D

Nuclear Materials and Energy, 26, 100883.

By: A. Nelson*, Z. Xing*, O. Izacard*, F. Laggner* & E. Kolemen*

Contributors: A. Nelson*, Z. Xing*, O. Izacard*, F. Laggner* & E. Kolemen*

author keywords: UEDGE; SOL; ELMs; Integrated modeling
Source: ORCID
Added: November 10, 2022

2021 journal article

New understanding of inter-ELM pedestal turbulence, transport, and gradient behavior in the DIII-D tokamak

Nuclear Fusion, 61(12), 126037.

By: K. Barada, T. Rhodes, S. Haskey, R. Groebner, A. Diallo, S. Banerjee, L. Zeng, Z. Yan ...

author keywords: pedestal turbulence; thermal fluxes; pedestal gradient saturation; pedestal transport; trapped electron mode
Source: ORCID
Added: November 10, 2022

2021 article

Perturbative determination of plasma microinstabilities in tokamaks

ArXiv. http://www.scopus.com/inward/record.url?eid=2-s2.0-85101949633&partnerID=MN8TOARS

By: A. Nelson, F. Laggner, A. Diallo, Z. Xing, D. Smith & E. Kolemen

Contributors: A. Nelson, F. Laggner, A. Diallo, Z. Xing, D. Smith & E. Kolemen

Source: ORCID
Added: November 10, 2022

2021 journal article

Prediction of DIII-D Pedestal Structure from Externally Controllable Parameters

IEEE Transactions on Plasma Science, 49(10), 3212–3227.

author keywords: Plasmas; Databases; Predictive models; Data models; Tokamak devices; Toroidal magnetic fields; Stability analysis; Machine learning (ML); neural net; one modeling framework for integrated task (OMFIT); pedestal; plasma; random forest (RF); tokamak; TokSearch
TL;DR: An experimental data-driven machine learning (ML) approach is presented, which predicts the pedestal heights and widths of electron density and electron temperature using feature extraction to infer experimental trends and thereby improve pedestal models as well as deploying NN for a fast pedestal prediction in DIII-D scenario development. (via Semantic Scholar)
Source: ORCID
Added: November 10, 2022

2021 journal article

Review: Turbulence dynamics during the pedestal evolution between edge localized modes in magnetic fusion devices

Plasma Physics and Controlled Fusion, 63(1), 013001.

By: A. Diallo* & F. Laggner*

Contributors: A. Diallo* & F. Laggner*

author keywords: tokamak; plasma; high confinement mode; edge localized modes
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: November 10, 2022

2021 journal article

Time-dependent experimental identification of inter-ELM microtearing modes in the tokamak edge on DIII-D

Nuclear Fusion, 61(11), 116038.

Contributors: A. Nelson*, F. Laggner*, A. Diallo*, D. Smith*, Z. Xing*, R. Shousha*, E. Kolemen*

author keywords: pedestal; MTM; turbulence; inter-ELM; vertical jogs
Source: ORCID
Added: November 10, 2022

2020 journal article

Dynamics of the pedestal transport during edge localized mode cycles at ASDEX Upgrade

Plasma Physics and Controlled Fusion, 62(2).

By: M. Willensdorfer*, E. Viezzer*, M. Cavedon*, P. Cano-Megias*, E. Fable*, E. Wolfrum*, D. Cruz-Zabala*, P. David* ...

Contributors: M. Willensdorfer*, E. Viezzer*, M. Cavedon*, P. Cano-Megias*, E. Fable*, E. Wolfrum*, D. Cruz-Zabala*, P. David* ...

author keywords: magnetic confinement fusion; plasma transport; magnetohydrodynamics
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: November 10, 2022

2020 journal article

Identity of the JET M-mode and the ASDEX Upgrade I-phase phenomena

Nuclear Fusion, 60(5).

By: D. Réfy*, E. Solano, N. Vianello, S. Zoletnik*, D. Dunai*, B. Tál*, M. Brix*, R. Gomes* ...

Contributors: D. Réfy*, E. Solano, N. Vianello, S. Zoletnik*, D. Dunai*, B. Tál*, M. Brix*, R. Gomes* ...

author keywords: L-H transition; M-mode; I-phase; limit cycle oscillation; JET; ASDEX Upgrade; H-mode
Source: ORCID
Added: November 10, 2022

2020 article

Identity of the JET M-mode and the ASDEX upgrade I-phase phenomena

ArXiv. http://www.scopus.com/inward/record.url?eid=2-s2.0-85095263972&partnerID=MN8TOARS

By: D. Réfy, E. Solano, N. Vianello, S. Zoletnik, D. Dunai, B. Tál, M. Brix, R. Gomes ...

Contributors: D. Réfy, E. Solano, N. Vianello, S. Zoletnik, D. Dunai, B. Tál, M. Brix, R. Gomes ...

Source: ORCID
Added: November 10, 2022

2020 journal article

Optimizing the Super H-mode pedestal to improve performance and facilitate divertor integration

Physics of Plasmas, 27(10), 102506.

By: M. Knolker*, P. Snyder*, T. Evans*, T. Wilks*, D. Eldon*, B. Grierson*, A. Jaervinen*, X. Jian* ...

Contributors: M. Knolker*, P. Snyder*, T. Evans*, T. Wilks*, D. Eldon*, B. Grierson*, A. Jaervinen*, X. Jian* ...

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: November 10, 2022

2020 journal article

Real-time pedestal optimization and ELM control with 3D fields and gas flows on DIII-D

Nuclear Fusion, 60(7), 076004.

author keywords: tokamak; super H-mode; edge localized modes; 3D fields
Source: ORCID
Added: November 10, 2022

2020 journal article

Setting the H-mode pedestal structure: Variations of particle source location using gas puff and pellet fueling

Nuclear Fusion, 60(4), 046003.

Contributors: A. Nelson*, F. Laggner*, R. Groebner*, B. Grierson*, O. Izacard*, D. Eldon*, M. Shafer*, A. Leonard* ...

author keywords: plasma; tokamak; pellet; gas puff; pedestal
Source: ORCID
Added: November 10, 2022

2019 journal article

A scalable real-time framework for Thomson scattering analysis: Application to NSTX-U

Review of Scientific Instruments, 90(4), 043501.

By: F. Laggner*, A. Diallo*, B. LeBlanc*, R. Rozenblat*, G. Tchilinguirian* & E. Kolemen*

Contributors: F. Laggner*, A. Diallo*, B. Leblanc*, R. Rozenblat*, G. Tchilinguirian* & E. Kolemen*

TL;DR: The presented RT framework is designed to be scalable in system size, i.e., incorporation of additional radial channels by solely adding additional RT capable hardware, making it an attractive solution for machines with long discharges such as advanced, non-inductive tokamaks or stellarators. (via Semantic Scholar)
Source: ORCID
Added: November 10, 2022

2019 journal article

Active conditioning of asdex upgrade tungsten plasma-facing components and discharge enhancement through boron and boron nitride particulate injection

Nuclear Fusion, 59(12).

By: R. Lunsford*, V. Rohde*, A. Bortolon*, R. Dux*, A. Herrmann*, A. Kallenbach*, R. McDermott*, P. David* ...

Contributors: R. Lunsford*, V. Rohde*, A. Bortolon*, R. Dux*, A. Herrmann*, A. Kallenbach*, R. McDermott*, P. David* ...

author keywords: boronization; boron powder; ASDEX-Upgrade; boron nitride
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: November 10, 2022

2019 journal article

DIII-D research towards establishing the scientific basis for future fusion reactors

NUCLEAR FUSION, 59(11).

By: C. Petty*, L. Abadie, T. Abrams, J. Ahn, T. Akiyama, P. Aleynikov, J. Allcock, E. Allen ...

Contributors: C. Petty*, L. Abadie, T. Abrams, J. Ahn, T. Akiyama, P. Aleynikov, J. Allcock, E. Allen ...

author keywords: fusion; plasma; tokamak; energy; DIII-D
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: ORCID, Web Of Science
Added: April 20, 2020

2019 journal article

Dependence on plasma shape and plasma fueling for small edge-localized mode regimes in TCV and ASDEX Upgrade

Nuclear Fusion, 59(8).

Contributors: B. Labit*, T. Eich*, G. Harrer*, E. Wolfrum*, M. Bernert*, M. Dunne*, L. Frassinetti, P. Hennequin* ...

author keywords: H-mode; type-II ELMs; grassy ELMs; plasma triangularity; separatrix density; ballooning modes
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: November 10, 2022

2019 journal article

Development of Real-Time Software for Thomson Scattering Analysis at NSTX-U

Fusion Science and Technology, 75(8), 835–840.

By: R. Rozenblat*, E. Kolemen*, F. Laggner*, C. Freeman*, G. Tchilinguirian*, P. Sichta*, G. Zimmer*

Contributors: R. Rozenblat*, E. Kolemen*, F. Laggner*, C. Freeman*, G. Tchilinguirian*, P. Sichta*, G. Zimmer*

author keywords: Thomson scattering; real time; NSTX-U; multiple threads; object-oriented architecture
TL;DR: The development of software that demonstrates the feasibility of a real-time TS diagnostic system for NSTX-U is presented, and the software implementation was deemed successful. (via Semantic Scholar)
Source: ORCID
Added: November 10, 2022

2019 journal article

Divertor currents during type-I edge-localized modes on the DIII-D tokamak

Nuclear Fusion, 59(12), 126020.

author keywords: ELM; divertor; current; nonlinear
Source: ORCID
Added: November 10, 2022

2019 journal article

High fusion performance in Super H-mode experiments on Alcator C-Mod and DIII-D

Nuclear Fusion, 59(8).

Contributors: P. Snyder*, J. Hughes*, T. Osborne*, C. Paz-Soldan*, W. Solomon*, M. Knolker*, D. Eldon*, T. Evans* ...

author keywords: pedestal; tokamak; fusion gain; Super H Mode; EPED; DIII-D; Alcator C-Mod
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: November 10, 2022

2019 journal article

Inter-ELM pedestal localized fluctuations in tokamaks: Summary of multi-machine observations

Nuclear Materials and Engergy, 19, 479–486.

Contributors: F. Laggner*, A. Diallo*, M. Cavedon* & E. Kolemen*

author keywords: Plasma; High confinement mode (H-mode); Edge localized mode (ELM); Pedestal profiles; Edge instabilities
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Source: ORCID
Added: November 10, 2022

2019 journal article

Observation of divertor currents during type-I ELMs on the DIII-D tokamak

Nuclear Materials and Energy, 18, 222–226.

Source: ORCID
Added: November 10, 2022

2019 journal article

On the ion and electron temperature recovery after the ELM-crash at ASDEX upgrade

Nuclear Materials and Energy, 18, 275–280.

By: M. Cavedon*, R. Dux*, T. Pütterich*, E. Viezzer*, E. Wolfrum*, M. Dunne*, E. Fable*, R. Fischer* ...

Contributors: M. Cavedon*, R. Dux*, T. Pütterich*, E. Viezzer*, E. Wolfrum*, M. Dunne*, E. Fable*, R. Fischer* ...

author keywords: ELM; Ion temperature; ETG; Neutral ionization; Fast Charge Exchange
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: November 10, 2022

2019 journal article

Overview of physics studies on ASDEX Upgrade

Nuclear Fusion, 59(11).

Contributors: H. Meyer*, C. Angioni*, C. Albert*, N. Arden*, R. Arredondo Parra, O. Asunta*, M. De Baar*, M. Balden* ...

author keywords: nuclear fusion; magnetic confinement; tokamak physics; ITER; DEMO
Source: ORCID
Added: November 10, 2022

2018 journal article

Divertor, scrape-off layer and pedestal particle dynamics in the ELM cycle on ASDEX Upgrade

Plasma Physics and Controlled Fusion, 60(2), 025002.

By: F. Laggner*, S. Keerl*, J. Gnilsen*, E. Wolfrum*, M. Bernert*, D. Carralero*, L. Guimarais*, V. Nikolaeva* ...

Contributors: F. Laggner*, S. Keerl*, J. Gnilsen*, E. Wolfrum*, M. Bernert*, D. Carralero*, L. Guimarais*, V. Nikolaeva* ...

author keywords: tokamak; H-mode; edge localised modes; profile evolution
Source: ORCID
Added: November 10, 2022

2018 journal article

Effects of density gradients and fluctuations at the plasma edge on ECEI measurements at ASDEX Upgrade

Plasma Physics and Controlled Fusion, 60(4), 045002.

By: B. Vanovac*, E. Wolfrum*, S. Denk, F. Mink*, F. Laggner*, G. Birkenmeier*, M. Willensdorfer*, E. Viezzer* ...

Contributors: B. Vanovac*, E. Wolfrum*, S. Denk, F. Mink*, F. Laggner*, G. Birkenmeier*, M. Willensdorfer*, E. Viezzer* ...

author keywords: ECEI; pedestal; optical depth; density fluctuations; mode velocity
Source: ORCID
Added: November 10, 2022

2018 journal article

Experiments on transient melting of tungsten by ELMs in ASDEX Upgrade

Nuclear Fusion, 58(2), 026024.

By: K. Krieger*, M. Balden*, J. Coenen*, F. Laggner*, G. Matthews*, D. Nille*, V. Rohde*, B. Sieglin* ...

Contributors: K. Krieger*, M. Balden*, J. Coenen*, F. Laggner*, G. Matthews*, D. Nille*, V. Rohde*, B. Sieglin* ...

author keywords: fusion; melting; tungsten; plasma wall interaction; power exhaust
Source: ORCID
Added: November 10, 2022

2018 journal article

Ion heat transport dynamics during edge localized mode cycles at ASDEX Upgrade

Nuclear Fusion, 58(2), 026031.

Contributors: T. Asdex Upgrade Team, E. Viezzer*, M. Cavedon*, E. Fable*, F. Laggner*, R. McDermott*, J. Galdon-Quiroga*, M. Dunne* ...

author keywords: magnetic confinement fusion; tokamak; plasma transport; magnetohydrodynamics
Source: ORCID
Added: November 10, 2022

2018 journal article

Nonlinear coupling induced toroidal structure of edge localized modes

Nuclear Fusion, 58(2).

By: A. Mink*, M. Hoelzl*, E. Wolfrum*, F. Orain*, M. Dunne*, A. Lessig*, S. Pamela*, P. Manz* ...

Contributors: A. Mink*, M. Hoelzl*, E. Wolfrum*, F. Orain*, M. Dunne*, A. Lessig*, S. Pamela*, P. Manz* ...

author keywords: plasma; edge localized mode; nonlinear; mode number; JOREK
Source: ORCID
Added: November 10, 2022

2018 journal article

Parameter dependences of small edge localized modes (ELMs)

Nuclear Fusion, 58(11).

By: G. Harrer*, E. Wolfrum*, M. Dunne*, P. Manz*, M. Cavedon*, P. Lang*, B. Kurzan*, T. Eich* ...

Contributors: G. Harrer*, E. Wolfrum*, M. Dunne*, P. Manz*, M. Cavedon*, P. Lang*, B. Kurzan*, T. Eich* ...

author keywords: small ELMs; edge localized modes; ballooning modes; pellets; magnetic shear; type-II; ballooning
Source: ORCID
Added: November 10, 2022

2018 journal article

Plasma shaping and its impact on the pedestal of ASDEX Upgrade: edge stability and inter-ELM dynamics at varied triangularity

Nuclear Fusion, 58(4), 046008.

By: T. Asdex Upgrade Team, F. Laggner*, E. Wolfrum*, M. Cavedon*, M. Dunne*, G. Birkenmeier*, R. Fischer*, M. Willensdorfer*, F. Aumayr*

Contributors: T. Asdex Upgrade Team, F. Laggner*, E. Wolfrum*, M. Cavedon*, M. Dunne*, G. Birkenmeier*, R. Fischer*, M. Willensdorfer*, F. Aumayr*

author keywords: tokamak; H-mode; edge localised modes; plasma shaping; ELM behaviour
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: November 10, 2022

2017 journal article

A study on the density shoulder formation in the SOL of H-mode plasmas

Nuclear Materials and Energy, 12, 1189–1193.

By: D. Carralero*, J. Madsen*, S. Artene*, M. Bernert*, G. Birkenmeier*, T. Eich*, G. Fuchert*, F. Laggner* ...

Contributors: D. Carralero*, J. Madsen*, S. Artene*, M. Bernert*, G. Birkenmeier*, T. Eich*, G. Fuchert*, F. Laggner* ...

author keywords: ASDEX-Upgrade; Detachment; Edge plasma; Intermittent transport; H-mode
Source: ORCID
Added: November 10, 2022

2017 journal article

ELM behavior in ASDEX Upgrade with and without nitrogen seeding

Nuclear Fusion, 57(2).

By: L. Frassinetti*, M. Dunne*, M. Beurskens*, E. Wolfrum*, A. Bogomolov*, D. Carralero*, M. Cavedon*, R. Fischer* ...

Contributors: L. Frassinetti*, M. Dunne*, M. Beurskens*, E. Wolfrum*, A. Bogomolov*, D. Carralero*, M. Cavedon*, R. Fischer* ...

author keywords: AUG-W; ELM; nitrogen seeding; energy losses
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: November 10, 2022

2017 journal article

Global performance enhancements via pedestal optimisation on ASDEX Upgrade

Plasma Physics and Controlled Fusion, 59(2).

By: M. Dunne*, L. Frassinetti*, M. Beurskens*, M. Cavedon*, S. Fietz*, R. Fischer*, L. Giannone*, G. Huijsmans* ...

Contributors: M. Dunne*, L. Frassinetti*, M. Beurskens*, M. Cavedon*, S. Fietz*, R. Fischer*, L. Giannone*, G. Huijsmans* ...

author keywords: tokamak; impurity seeding; pedestal; peeling-ballooning; predictive; experiment
Source: ORCID
Added: November 10, 2022

2017 journal article

Impact of lithium pellets on plasma performance in the ASDEX Upgrade all-metal-wall tokamak

Nuclear Fusion, 57(1).

By: P. Lang*, R. Maingi*, D. Mansfield*, R. McDermott*, R. Neu*, E. Wolfrum*, R. Arredondo Parra, M. Bernert* ...

Contributors: P. Lang*, R. Maingi*, D. Mansfield*, R. McDermott*, R. Neu*, E. Wolfrum*, R. Arredondo Parra, M. Bernert* ...

author keywords: Li pellets; tokamak ASDEX upgrade; confinement; plasma facing components; ELMs
Source: ORCID
Added: November 10, 2022

2017 journal article

Interplay between turbulence, neoclassical and zonal flows during the transition from low to high confinement mode at ASDEX Upgrade

Nuclear Fusion, 57(1).

author keywords: L-H transition; neoclassical flow; turbulence flow interaction
Source: ORCID
Added: November 10, 2022

2017 journal article

Investigation of inter-ELM ion heat transport in the H-mode pedestal of ASDEX Upgrade plasmas

Nuclear Fusion, 57(2).

author keywords: tokamaks; magnetic confinement and equilibrium; transport; neoclassical theory
Source: ORCID
Added: November 10, 2022

2017 conference paper

Investigation of transient melting of tungsten by ELMs in ASDEX Upgrade

Physica Scripta, 2017(T170), 014030.

By: K. Krieger*, B. Sieglin*, M. Balden*, J. Coenen*, B. Göths*, F. Laggner*, P. Marne*, G. Matthews* ...

Contributors: K. Krieger*, B. Sieglin*, M. Balden*, J. Coenen*, B. Göths*, F. Laggner*, P. De Marne*, G. Matthews* ...

author keywords: plasma-facing components; tungsten; melting; edge-localized modes
Source: ORCID
Added: November 10, 2022

2017 journal article

Overview of ASDEX upgrade results

Nuclear Fusion, 57(10).

Contributors: D. Aguiam, L. Aho-Mantila, C. Angioni, N. Arden, R. Arredondo Parra, O. Asunta, M. De Baar, M. Balden ...

author keywords: nuclear fusion; tokamak physics; ITER; DEMO
Source: ORCID
Added: November 10, 2022

2017 journal article

Overview of progress in European medium sized tokamaks towards an integrated plasma-edge/wall solution

Nuclear Fusion, 57(10).

Contributors: H. Meyer*, T. Eich*, M. Beurskens*, S. Coda*, A. Hakola*, P. Martin*, J. Adamek*, M. Agostini* ...

author keywords: edge localised modes; divertor; heat loads; ASDEX upgrade; MAST; TCV; alternative divertor concepts
Source: ORCID
Added: November 10, 2022

2017 journal article

Pedestal andErprofile evolution during an edge localized mode cycle at ASDEX Upgrade

Plasma Physics and Controlled Fusion, 59(10), 105007.

By: T. Asdex Upgrade Team, M. Cavedon*, T. Pütterich*, E. Viezzer*, F. Laggner*, A. Burckhart*, M. Dunne*, R. Fischer* ...

Contributors: T. Asdex Upgrade Team, M. Cavedon*, T. Pütterich*, E. Viezzer*, F. Laggner*, A. Burckhart*, M. Dunne*, R. Fischer* ...

author keywords: edge localized mode; ion temperature; edge gradient recovery; radial electric field
Source: ORCID
Added: November 10, 2022

2017 journal article

Pedestal structure and inter-ELM evolution for different main ion species in ASDEX Upgrade

Physics of Plasmas, 24(5).

Contributors: F. Laggner*, E. Wolfrum*, M. Cavedon*, F. Mink*, M. Bernert*, M. Dunne*, P. Schneider*, A. Kappatou* ...

Source: ORCID
Added: November 10, 2022

2017 journal article

The role of the density profile in the ASDEX-Upgrade pedestal structure

Plasma Physics and Controlled Fusion, 59(1).

By: M. Dunne*, S. Potzel*, F. Reimold*, M. Wischmeier*, E. Wolfrum*, L. Frassinetti, M. Beurskens*, P. Bilkova* ...

Contributors: M. Dunne*, S. Potzel*, F. Reimold*, M. Wischmeier*, E. Wolfrum*, L. Frassinetti, M. Beurskens*, P. Bilkova* ...

author keywords: pedestal; scrape-off layer; peeling-balooning; prediction
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Source: ORCID
Added: November 10, 2022

2016 journal article

A compact lithium pellet injector for tokamak pedestal studies in ASDEX Upgrade

Review of Scientific Instruments, 87(2).

By: R. Parra, R. Quicios*, B. Ploeckl*, G. Birkenmeier*, A. Herrmann*, G. Kocsis*, F. Laggner*, P. Lang* ...

Contributors: R. Arredondo Parra, R. Moreno Quicios*, B. Ploeckl*, G. Birkenmeier*, A. Herrmann*, G. Kocsis*, F. Laggner*, P. Lang* ...

TL;DR: Lithium injection has been achieved at ASDEX Upgrade, showing deep pellet penetration into the plasma, though pedestal broadening has not been observed yet. (via Semantic Scholar)
Source: ORCID
Added: November 10, 2022

2016 journal article

High frequency magnetic fluctuations correlated with the inter-ELM pedestal evolution in ASDEX Upgrade

Plasma Physics and Controlled Fusion, 58(6).

By: F. Laggner*, E. Wolfrum*,