A. Sirinelli
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View article: Diagnostics: Chapter 8 of the special issue: on the path to tokamak burning plasma operation
Diagnostics: Chapter 8 of the special issue: on the path to tokamak burning plasma operation Open
This chapter presents the activity conducted by the ITPA topical group (TG) on Diagnostics over about the last 15 years. Following a general introduction of the ITER Diagnostics led by their measurement roles, the document is organized in …
View article: Status of the development and testing of in-vessel and ECH-protection components for the ITER low-field side reflectometer
Status of the development and testing of in-vessel and ECH-protection components for the ITER low-field side reflectometer Open
The ITER Low-Field Side Reflectometer (LFSR) is a critical diagnostic system designed to measure edge electron density profiles, fluctuations, and plasma rotation in ITER. This paper presents the latest developments in the design, testing,…
View article: Improved accuracy and robustness of electron density profiles from JET’s X-mode frequency-modulated continuous-wave reflectometers
Improved accuracy and robustness of electron density profiles from JET’s X-mode frequency-modulated continuous-wave reflectometers Open
JET’s frequency-modulated continuous wave (FMCW) reflectometers have been operating well with the current design since 2005, and density profiles have been automatically calculated intershot since then. However, the calculated profiles had…
View article: IMAS modelling of First Wall EC heat loads for the ITER rebaseline
IMAS modelling of First Wall EC heat loads for the ITER rebaseline Open
This paper describes the modelling work carried out within the ITER Integrated Modelling and Analysis Suite (IMAS) [1] using the TORBEAM wave code [2] to estimate heat loads on the first wall (FW) from operating the Electron Cyclotron (EC)…
View article: Stray radiation energy fluxes in ITER based on a multiresonator model
Stray radiation energy fluxes in ITER based on a multiresonator model Open
Here we re-evaluate the stray radiation loads due to electron cyclotron resonance heating and diagnostic gyrotrons in ITER, as well as compute the stray radiation energy flux due to electron cyclotron emission. Microwave loads due to stray…
View article: Preliminary design overview and performance assessment of the ITER low-field side reflectometer
Preliminary design overview and performance assessment of the ITER low-field side reflectometer Open
The design of the ITER low-field side reflectometer (LFSR) has matured to a complete end-to-end preliminary design. LFSR will supply three key plasma measurements: (1) electron density profile, (2) electron density fluctuations, and (3) po…
View article: Microwave response of ITER vacuum windows
Microwave response of ITER vacuum windows Open
Diagnostic systems are essential for the development of ITER discharges and to reach the ITER goals. Many of these diagnostics require a line of sight to relay signals from the plasma to the diagnostic, typically located outside the torus …
View article: Looking For An On-Line Backup Density Measurement For Iter
Looking For An On-Line Backup Density Measurement For Iter Open
For safe operation, ITER needs a reliable density measurement during all the plasma phases.This is the responsibility of the interferometer and polarimeter systems.Two systems on ITER will provide a line averaged density: the Toroidal Inte…
View article: Evaluation Of Ec Stray Radiation In Iter And Its Implication For Diagnostics
Evaluation Of Ec Stray Radiation In Iter And Its Implication For Diagnostics Open
Antoine Sirinelli∗a, Franco Gandini, Mark Henderson, Johan W. Oosterbeekb and George Vayakis ITER Organization Route de Vinon-sur-Verdon, CS 90 046, 13067 St. Paul Lez Durance Cedex, France. aFircroft Engineering Lingley House, 120 Birchwo…
View article: Plasma turbulence measured with fast frequency swept reflectometry in JET H-mode plasmas
Plasma turbulence measured with fast frequency swept reflectometry in JET H-mode plasmas Open
In this work we present recent achievements to provide precise measurements of turbulence on JET H-mode plasmas using frequency sweeping reflectometry diagnostic. The plasma density fluctuations retrieved from swept reflected signals, firs…