Asdex upgrade - Open Access .click

Results 51 to 60 of about 389 (146)

Extension of electron cyclotron heating at ASDEX Upgrade with respect to high density operation

EPJ Web of Conferences, 2017
The ASDEX Upgrade electron cyclotron resonance heating operates at 105 GHz and 140 GHz with flexible launching geometry and polarization. In 2016 four Gyrotrons with 10 sec pulse length and output power close to 1 MW per unit were available.
Schubert Martin +10 more
doaj +1 more source

A practical protocol to emulate a reactor scenario on present machines, with application to the ASDEX Upgrade tokamak via predictive modeling

Nuclear Fusion, 2023
In this work, a novel practical strategy to emulate a reactor scenario on present tokamak experiments is presented. A recipe how to scale several relevant parameters from a hypothetical reactor scenario down to present devices is discussed.
E. Fable +10 more
doaj +1 more source

Overview of the ASDEX Upgrade results

Nuclear Fusion
After a 26-month vent ASDEX Upgrade (AUG) went back in operation with a newly designed upper W-divertor suitable for alternative divertor configurations (featuring in-vessel coils and cryo-pump).
T. Pütterich +428 more
doaj +1 more source

Radiation transport modelling for the interpretation of oblique ECE measurements

EPJ Web of Conferences, 2017
The electron cyclotron emission (ECE) diagnostic provides routinely electron temperature (Te) measurements. At ASDEX Upgrade an electron cyclotron forward model, solving the radiation transport equation for given Te and electron density profile, is used ...
Denk Severin S. +8 more
doaj +1 more source

Neural networks for reconstruction and uncertainty quantification of fast-ion phase-space distributions using FILD and INPA measurements

Nuclear Fusion
This study introduces the use of a deep convolutional neural network for reconstructing fast-ion velocity distributions from fast-ion loss detectors and imaging neutral particle analyzers (INPAs), automatically integrating uncertainty quantification ...
B. S. Schmidt +6 more
doaj +1 more source

2D and 3D studies of the X-divertor configuration in the future upper divertor of ASDEX upgrade

Nuclear Materials and Energy, 2019
ASDEX Upgrade is planning the installation of a pair of in-vessel coils in order to study alternative divertor configurations, like an X-divertor (XD) or a Snowflake (SF) in a machine with a high heating power compared to its size.
T. Lunt +6 more
doaj +1 more source

Development and application of a predictive model for advanced tokamak scenario design

Nuclear Fusion
Advanced tokamak (AT) scenarios applying additional heating during the current ramp (early-heating) usually require many iterations if developed fully empirically.
Raphael Schramm +8 more
doaj +1 more source

Determination of the stochastic layer properties induced by magnetic perturbations via heat pulse experiments at ASDEX upgrade

Nuclear Materials and Energy, 2017
A heat pulse experiment was carried out in the tokamak ASDEX Upgrade to estimate the stochastic layer width of a deuterium L-mode discharge with externally applied Magnetic Perturbations.
D. Brida +12 more
doaj +1 more source

Divertor enrichment of recycling impurity species (He, N2, Ne, Ar, Kr) in ASDEX Upgrade H-modes

Nuclear Fusion
Particle balance calculations are done for the seeding species N _2 , Ne, Ar, Kr as well as He with the aim of obtaining a realistic description of the divertor and core plasma impurity content.
A. Kallenbach +9 more
doaj +1 more source

Compact shunts for the upper divertor of ASDEX Upgrade [PDF]

AIP Advances
The compact shunts that are mounted in the upper divertor of ASDEX Upgrade are now operational and measure the thermocurrents generated by the temperature difference between the two target plates of the upper divertor cassette.
L. Giannone +8 more
doaj +1 more source

nuclear engineering
atomic power
physics

tokamak
power exhaust