H. Meister
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View article: Performance of ITER pressure gauges during deuterium operation in the large helical device
Performance of ITER pressure gauges during deuterium operation in the large helical device Open
During deuterium campaigns on the heliotron large helical device (LHD), ITER pressure gauges with different cathode materials were used to measure the neutral pressure in the sub-divertor region. Throughout these campaigns, it was observed…
View article: Effects of neutral gas pressure on calibration parameters of resistive bolometer sensors in fusion devices
Effects of neutral gas pressure on calibration parameters of resistive bolometer sensors in fusion devices Open
Ambient pressure may influence the thermal path between the absorber and heat sink of resistive bolometers and thus impact the calibration parameters. This effect is investigated for metal resistive bolometer sensors as used in bolometer d…
View article: Verification of lifetime and mechanical load aspects for ITER diagnostic pressure gauges based on ZrC emitter
Verification of lifetime and mechanical load aspects for ITER diagnostic pressure gauges based on ZrC emitter Open
Hot cathode ionization gauges will measure the neutral gas pressure in the vacuum vessel of ITER. Overall, 52 gauge heads based on the concept of the ASDEX pressure gauge but using novel ZrC emitters are located in the divertor, in equator…
View article: Optimizing ITER Bolometer Cameras in View of Internal Reflections and Crosstalk Between Channels
Optimizing ITER Bolometer Cameras in View of Internal Reflections and Crosstalk Between Channels Open
International audience
View article: Generic approach to assess the measuring performance of total-radiated power quantities by multi-channel resistive bolometer diagnostics on fusion experiments
Generic approach to assess the measuring performance of total-radiated power quantities by multi-channel resistive bolometer diagnostics on fusion experiments Open
On present-day magnetic-confinement fusion experiments, the performance of multi-channel bolometer diagnostics has typically evolved over time through experience with earlier versions of the diagnostic and experimental results obtained. Fo…
View article: Assessment of the ITER divertor bolometer diagnostic performance
Assessment of the ITER divertor bolometer diagnostic performance Open
The ITER bolometer diagnostic will provide measurements of the total radiation emitted from the plasma, a part of the overall energy balance. It will consist of some 550 lines of sight (LOS) of bolometer detector, bundled in multiple indiv…
View article: Calibration and thermal test results of prototype bolometer sensors for ITER fusion reactor
Calibration and thermal test results of prototype bolometer sensors for ITER fusion reactor Open
For over 10 years, several bolometer sensors with different properties have been tested in the IBOVAC facility. The aim has been to develop a bolometer sensor that can be operated in ITER and can withstand harsh operating conditions. For t…
View article: Bolometer sensor holder suitable for ITER-relevant conditions
Bolometer sensor holder suitable for ITER-relevant conditions Open
The ITER bolometer diagnostic shall provide the measurement of the total radiation emitted from the plasma, a part of the overall energy balance. Up to 550 lines-of-sight will be installed in ITER in 71 cameras of various sizes and types. …
View article: Testing of ITER diagnostic pressure gauges in preparation of final design review
Testing of ITER diagnostic pressure gauges in preparation of final design review Open
Hot cathode ionization gauges will measure neutral gas pressures in the vacuum vessel of ITER. Overall 52 gauge heads are distributed in the divertor, the equatorial ports and pumping ducts. Present design and prototype testing of diagnost…
View article: Final design of the ITER bolometer first plasma component: cable installation template
Final design of the ITER bolometer first plasma component: cable installation template Open
The ITER bolometer cable installation template is a first plasma component which main function is to provide a temporary fixation of the mineral insulated cables and to protect them through first plasma operation inside the vacuum vessel u…
View article: Mechanical Stability of Filaments for ITER Diagnostic Pressure Gauges Relating to Creep and Fatigue
Mechanical Stability of Filaments for ITER Diagnostic Pressure Gauges Relating to Creep and Fatigue Open
Diagnostic pressure gauges (DPGs) shall provide measurements of the neutral gas pressure in various locations of the International Thermonuclear Experimental Reactor (ITER) vacuum vessel. This parameter is essential for the basic control o…
View article: Bolometer developments in diagnostics for magnetic confinement fusion
Bolometer developments in diagnostics for magnetic confinement fusion Open
The plasma radiation is an essential part of the power balance in current and future magnetic confinement fusion experiments and gives crucial insight for the challenges of power exhaust and divertor detachment as well as valuable informat…
View article: Overview of ASDEX Upgrade results
Overview of ASDEX Upgrade results Open
The ASDEX Upgrade (AUG) programme is directed towards physics input to critical elements of the ITER design and the preparation of ITER operation, as well as addressing physics issues for a future DEMO design. Since 2015, AUG is equipped w…
View article: Overview Of The R&D Activities For The Iter Bolometer Diagnostic
Overview Of The R&D Activities For The Iter Bolometer Diagnostic Open
The detailed development of the ITER bolometer diagnostic has recently been started.The aim is to reach a level from which on built-to-print drawings for the diagnostic components can be produced.Based on the challenges and corresponding r…