A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | |
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1 | category | proposal ID | topic | prospective proposal title | proponent(s) | interested parties | comments | |||||||||||||||||||
2 | electrostatic core turbulence | gawe_014, dacar_005 | collisionality dependence | The ITG-TEM transition and its dependence on collisionality | Weir, Carralero? | Proll, Stechow, E. Sánchez, Alcuson, García-Regaña | JProll: have done some collisionality scans and a student will do some more, for theory support | |||||||||||||||||||
3 | coordinators: Weir, Stechow | astechow_020 | collisionality dependence | Turbulence transition from ITG/TEM to resistive interchange and its comparison with LHD | Tanaka | Stechow, Thomsen, Warmer, Xanthopoulos, Weir | ||||||||||||||||||||
4 | gavin.weir@ipp.mpg.de | jalc_006 | TEM-unstable configurations | Observation of the electron driven Trapped-Electron-Mode instability | Alcuson | Proll, Weir, Stechow | ||||||||||||||||||||
5 | astechow@ipp.mpg.de | jalc_010 | differentiation of grad-Te TEM or ETG | identification of core electron scale instabilities | Alcuson, Weir | Beurskens | ||||||||||||||||||||
6 | gawe_018 | temperature gradient control for TEM/ETG studies | electron temperature gradient control with off-axis ECRH power density scans for TEM/ETG studies | Weir | T. Stange, | |||||||||||||||||||||
7 | astechow_009 | density gradient control for ITG reduction | turbulence limits of NBI core density peaking | Stechow | Estrada, García-Regaña | |||||||||||||||||||||
8 | astechow_010 | density gradient control for ITG reduction | ion-scale turbulence during sustained/repeated pellet fueling | Stechow | Weir, Bähner, Alcuson, Estrada, Proll | radially resolved density fluctuation amplitudes form PCI + Er measurements (?) for radial localisation | ||||||||||||||||||||
9 | kjerh_001 | density gradient control for ITG reduction | turbulence during power-step-down-induced edge density gradients | Hansen | Stechow, Bähner, Alcuson, Estrada | |||||||||||||||||||||
10 | jalc_008 | density gradient control for ITG reduction | massive LBO injection for edge profile control | Alcuson, Wegner, Bähner | Stechow | |||||||||||||||||||||
11 | jpb_002 | density gradient control for ITG reduction | Threshold characterisation for turbulence reduction in massive LBO injection experiments | Bähner | ||||||||||||||||||||||
12 | golof_019 | density gradient control for ITG reduction | density peaking at very high gas fueling with O2 heating | Fuchert | Stechow | |||||||||||||||||||||
13 | mbeur_004? | temperature ratio dependence of ITG | Te/Ti scans for core ITG growth rate control with ECRH | Beurskens, Weir | Stechow, Bähner, Alcuson, García-Regaña | |||||||||||||||||||||
14 | mbeur_004? | temperature ratio dependence of ITG | Te/Ti scans for core ITG growth rate control with ECRH and ICRH | Beurskens, Weir | Stechow, Bähner, García-Regaña | |||||||||||||||||||||
15 | mbeur_004? | temperature ratio dependence of ITG | ITG growth rate control whilst varying the ratio of Te/Ti at constant Qi (ECRH deposition scan) | Beurskens / ? | Stechow, Weir, Bähner, Alcuson | |||||||||||||||||||||
16 | astechow_011 | temperature ratio dependence of ITG | turbulence "matching" between pure ECH and pure NBI heating | Stechow | Estrada, Rahbarnia | |||||||||||||||||||||
17 | jpb_001 | temperature ratio dependence of ITG | Impact of the temperature ratio and -gradient on core micro-instabilities | Bähner | Beurskens | |||||||||||||||||||||
18 | astechow_012 | configurations without "stability valley": effect on ITG | ion-scale turbulence characterization in low mirror configuration pellet-fueled discharges | Stechow | Estrada | |||||||||||||||||||||
19 | gawe_019 | configurations without "stability valley": effect on ITG | configuration comparison high/low mirror (with matched profiles) | Weir | Stechow, Bähner, Estrada | |||||||||||||||||||||
20 | jalc_007 | configurations without "stability valley": effect on ITG | Characterization of turbulence in the negative mirror configuration | read | ||||||||||||||||||||||
21 | jproll_002 | universal instability | instability characterization in negative mirror configuration | Proll | Weir | |||||||||||||||||||||
22 | manom_001, dacar_003 (implicitly) | role of electric field in turbulence | no explicit proposal | Estrada, Weir, E. Sánchez,Wilms, Bähner | ||||||||||||||||||||||
23 | dacar_003, dacar_004, dacar_006 | turbulence survey | detailed characterization of density fluctuations and E_r in extended operational and diagnostic parameter space | Carralero/Estrada | Stechow, Bähner, Trimino, García-Regaña | comparison to radially resolved k-spectra from PCI | ||||||||||||||||||||
24 | jpb_003 | configuration dependence of fluctuation amplitudes | survey on observed configuration dependence of core density fluctuation amplitudes | Bähner | ||||||||||||||||||||||
25 | kjerh_002 | ITG-TEM transition and electron pump-out | ECRH density pump out in W7-X and the ITG-TEM transition | Hansen | Weir, Stechow | |||||||||||||||||||||
26 | gawe_016 | density gradient driven TEM stability | Stability survey of the density gradient driven TEM while holding collisionality | Weir | Proll | vary density while attempting to maintain collisionality (and possibly Te/Ti) by changing heating power and deposition | ||||||||||||||||||||
27 | gawe_020 | ion scale turbulence model validation, synthetic diagnostics (CECE) | Matching physics parameters and fluxes to nonlinear gyrokinetic calculations at the ion-scale | Weir, Faber | G. Held | part of DOE grant: "Exploring ion heat transport during NBI heated plasmas at W7-X", validation in ECRH heated plasmas, development towards CECE synthetic diagnostics | ||||||||||||||||||||
28 | rjose_002 | turbulence in multi-species plasmas | Turbulent (de)stabilization driven by non-trace impurities | García-Regaña | Calvo, González-Jerez, Thienpondt, Reimold ... | |||||||||||||||||||||
29 | rjose_003 | particle transport | Assessment of the relative weight of the different transport channels (i.e. neoclassical and turbulent) on particle transport | García-Regaña | Velasco, Calvo, Alonso, Thienpondt, González-Jerez, Reimold, Fuchert, Jesche, Beurskens, Weir, ... | |||||||||||||||||||||
30 | golof_024 | particle transport | Particle tranport in ECRH plasmas (Steady state profiles and gas puff modulation experiments) (also discussed in the TG Profiles) | Fuchert | Weir, García-Regaña | |||||||||||||||||||||
31 | golof_026 | particle transport | Investigation of the particle Pinch in ECRH plasmas (using ECRH deposition scan) | Fuchert | Weir, García-Regaña | |||||||||||||||||||||
32 | gawe_022, gawe_023 | fluid transport | Exploration of Ion heat pulse propagation experiments in W7-X | B. Geiger | Weir, Ford, Beurskens, Lazerson, Bozhenkov, Faber, G. Held | part of DOE grant: "Exploring ion heat transport during NBI heated plasmas at W7-X" | ||||||||||||||||||||
33 | humtm_001 | ion scale turbulence model validation, saturation and stabilization | Localization of ion-scale fluctuations in the plasma core | Trimiño Mora / Weir | ||||||||||||||||||||||
34 | gawe_021 | ion scale turbulence model validation, saturation and stabilization | Shear stabilization of ion scale driftwave turbulence | Trimiño Mora / Weir | Magnetic shear and poloidal flow shear is expected to lead to shortening in radial correlation lengths by eddy tilting | |||||||||||||||||||||
35 | humtm_003 | ion scale turbulence model validation, saturation and stabilization | Effect of increased elongation / iota on ITG turbulence localization and instability | Trimiño Mora / Weir | ||||||||||||||||||||||
36 | humtm_002 | ion scale turbulence model validation, saturation and stabilization | Symmetry and amplitude of ion-scale fluctuations upon field reversal | Trimiño Mora / Weir | ||||||||||||||||||||||
37 | jalc_008 | ion scale turbulence model validation, impurity transport | Turbulent trajectories of impurities on trace concentration | Alcusón, Wegner | ||||||||||||||||||||||
38 | not submitted? | ion scale turbulence model validation, impurity transport | Boron injection and its effects on turbulence / Boron impurity seeding and modification of core heat and particle transport (comparison to HSX and LHD) | Alcusón, Wegner, Weir | boron seeding to reproduce / compare against reported transport changes measured in LHD (recent Nature paper) / HSX | |||||||||||||||||||||
39 | ||||||||||||||||||||||||||
40 | 1st coordination meeting for W7-X proposals on Electrostatic Core turbulence (date Feb. 24th: 16:30 CEST): | Meeting minutes --> | https://datashare.mpcdf.mpg.de/s/DLSsZfZEU62SuW3 | |||||||||||||||||||||||
41 | 2nd coordination meeting for W7-X proposals on Electrostatic Core turbulence (date Mar. 3rd: 15:30 CEST): | Meeting minutes --> | https://datashare.mpcdf.mpg.de/s/DLSsZfZEU62SuW3 | |||||||||||||||||||||||
42 | 3rd coordination meeting for W7-X proposals on Electrostatic Core turbulence (date Mar. 16th: 14:30 CEST): | Meeting link--> | https://zoom.us/j/3304093459?pwd=RU51L1Mxa3dQaXU1MGpwa2tCOXhVUT09 | |||||||||||||||||||||||
43 | Meeting scheduler --> | https://terminplaner.dfn.de/bCIBAabjdVnmVPqN | <---- Meeting scheduler. | |||||||||||||||||||||||
44 | electromagnetic core turbulence | ksena_003 | kinetic ballooning modes at high beta | Observation/identification of KBM above marginal beta | Aleynikova | Stechow, Pueschel, Mulholland, Proll, Weir, Bähner, Rahbarnia | ||||||||||||||||||||
45 | coordinator: Aleynikova | ksena_002 | kinetic ballooning modes in unfavorable configurations | Characterization of KBM-prone configurations | Aleynikova | Stechow, Pueschel, Mulholland, Proll, Weir | ||||||||||||||||||||
46 | ksenia.aleynikova@gmail.com | ksena_004 | EM stabilization of ES turbulence | Reduction of electrostatic turbulence by electromagnetic effects | Aleynikova | Stechow, Pueschel, Mulholland, Proll, Weir | ||||||||||||||||||||
47 | gawe_017 | ion scale turbulence model validation | Testing the stabilization of CTEM with increasing quasi-isodynamicity by varying the plasma beta | Weir | Proll | |||||||||||||||||||||
48 | ksena_006 | shear influence on kinetic ballooning modes | Stabilisation of KBMs with increased value of shear | Mulholland / Aleynikova | Stechow, Pueschel, Proll, Weir | |||||||||||||||||||||
49 | ||||||||||||||||||||||||||
50 | ||||||||||||||||||||||||||
51 | zonal flows | akraemer_005 | zonal flow detection | Zonal flow detection and characterization with "pair" of tor. separated DR and PCI; PCR and PCI Search for zonal flows by multi diagnostic correlation | Krämer-Flecken | Estrada, Weir, Haoming, Bähner, Conway | Upgraded PCR should give a better coverage of the plasma edge | |||||||||||||||||||
52 | coordinator: Estrada | tere_003 | zonal flow detection | Systematic searching for zonal flows using dual V-band DR (experiments could be carried out in piggyback) | Estrada | Sánchez, García-Regaña, Conway | ||||||||||||||||||||
53 | teresa.estrada@ciemat.es | edis_003? | experimental validation of theoretical expectations of zonal flow properties | Characterization of zonal flows in plasma scenarios and magnetic configurations with expected different turbulence behaviour | Sánchez, Estrada, García-Regaña | Krämer-Flecken, Pueschel,Haoming, Bähner, Proll, Conway | ||||||||||||||||||||
54 | jpb_004 | zonal flow generation | Investigate zonal flow generation in drift wave turbulence by comparing scenarios with varying ZF activity | Bähner | ||||||||||||||||||||||
55 | ||||||||||||||||||||||||||
56 | ||||||||||||||||||||||||||
57 | SOL turbulence (fundamental questions) | caki_012 | Turbulent particle transport | Turbulence spreading and Turbulent Transport in island divertor | Killer | Terry/Ballinger/ABES Team, Shanahan, Krämer-Flecken | ||||||||||||||||||||
58 | coordinator: Killer, Zoletnik? | not submitted? | Turbulent particle transport | Analysis of diffusion coefficients for SOL turbulent transport | Vecsei | |||||||||||||||||||||
59 | carsten.killer@ipp.mpg.de | not submitted? | role of islands / magnetic characteristics for turbulence | Island profiles via turbulent transport/turbulence activity | Vecsei/Csilag | |||||||||||||||||||||
60 | jter_002 | role of islands / magnetic characteristics for turbulence | Edge Turbulence in the presence of magnetic islands | Terry | ||||||||||||||||||||||
61 | mspolaor_003 | role of islands / magnetic characteristics for turbulence | SOL Turbulence in W7-X without magnetic islands | M. Spolaore? | ||||||||||||||||||||||
62 | caki_013 | role of islands / magnetic characteristics for turbulence | SOL Turbulence in reversed magnetic field | Killer/Cipciar | ||||||||||||||||||||||
63 | mgrien_001 | role of islands / magnetic characteristics for turbulence | Comparison of edge turbulence between AUG and W7-X | Griener | ||||||||||||||||||||||
64 | caki_014 | role of islands / magnetic characteristics for turbulence | SOL Turbulence in low magnetic field | Killer/Cipciar | ||||||||||||||||||||||
65 | darc_001 | role of islands / magnetic characteristics for turbulence | Turbulent heat and particle transport in the confined "core" of magnetic islands | Cipciar / Killer | ||||||||||||||||||||||
66 | not submitted? | Turbulent filaments | 3D structure of filaments | Zoletnik | ABES Team, Video Team, Shanahan | |||||||||||||||||||||
67 | jter_003 | turbulence during detachment | Investigations of boundary profiles and fluctuations when transitioning into full divertor detachment | Terry | ||||||||||||||||||||||
68 | yanj_005 | turbulence during detachment | edge profiles and turbulence transpot in the process from attached to detached plasmas | Jie Yang | ||||||||||||||||||||||
69 | mspolaor_002 | electromagnetic turbulence, beta effects | Effect of increasing beta scenarios in edge electromagnetic turbulence and current carrying filaments features | M. Spolaore | Shanahan | exploitation of e.m. diagnostics (MPM,divertor...) | ||||||||||||||||||||
70 | not submitted? | beta effect on SOL turbulence | Role of plasma beta on SOL turbulence structure and its contribution to transport | Liu | Krämer-Flecken,Haoming, Jie Yang, Shanahan | |||||||||||||||||||||
71 | not submitted? | beta effect on SOL turbulence | Role of kolmogorov length, Ti/Te and magentic topologies on SOL turbulence | Jie Yang | Yunfeng Liang, Liu | |||||||||||||||||||||
72 | yanj_004 | beta effect on SOL turbulence | magnetic topology effect on beta-induced Alfvén eigenmodes (BAE) | Jie Yang | ||||||||||||||||||||||
73 | hmx_001 | turbulence vs modes | Dynamics of 1-2kHz mode and its impact on SOL transport | |||||||||||||||||||||||
74 | akraemer_007 | turbulence vs modes | ExB shear and filament dynamics | Krämer-Flecken | Terry/Ballinger,Haoming, ABES Team, Shanahan, Bähner | |||||||||||||||||||||
75 | zoletnik_002 | turbulence vs modes | Interaction between SOL filaments and low frequency modes | Zoletnik | Shanahan | |||||||||||||||||||||
76 | caki_015 | turbulence in operation scenarios | SOL Turbulence in optimal performance plasmas | Killer/Cipciar | ||||||||||||||||||||||
77 | zoletnik_003 | turbulence in operation scenarios | Edge/SOL turbulence modulation by ECRH power | Zoletnik | Shanahan | |||||||||||||||||||||
78 | manom_001 | role of Er shear for SOL turbulence | Correlation between Er at the SOL and heat fluxes on the divertor | E. Maragkoudakis | ||||||||||||||||||||||
79 | xiha_003 | role of Er shear for SOL turbulence | turbulence strucuture in the shear layer | X Han | Krämer-Flecken,Haoming, Jia Huang | |||||||||||||||||||||
80 | akraemer_006 | role of Er shear for SOL turbulence | Role of the island width on the shear and turbulence suppression | Krämer-Flecken | Terry/Ballinger,Haoming, Shanahan | |||||||||||||||||||||
81 | caki_011 | active SOL perturbation by biased probes | active SOL perturbation by biased probes | Killer | ||||||||||||||||||||||
82 | miscellaneous | astechow_021 | fast ion stabilization of ITG | Stechow | Kazhakov, ? | |||||||||||||||||||||
83 | astechow@ipp.mpg.de | gawe_015 | impurity dilution, isotope scaling | The ITG-TEM transition and its dependence on isotope (Scaling and separation of electrostatic turbulence through impurity dilution / Zeff) | Weir | García-Regaña | ||||||||||||||||||||
84 | not submitted | turbulence during detachment | Stechow? | Terry/Ballinger, Stechow, Zoletnik, Krämer-Flecken | ||||||||||||||||||||||
85 | astechow_014 | depencies on fueling method | comparison of turbulent fluctuations during helium beam and gas inlet puffing | Stechow | ||||||||||||||||||||||
86 | astechow_019 | fast ions/ICRF/phase contrast imaging | ICRF frequency range measurements (also for ICE detection) | Edlund / Porkolab | ||||||||||||||||||||||
87 | ||||||||||||||||||||||||||
88 | ||||||||||||||||||||||||||
89 | diagnostic-specific | astechow_015 | phase contrast imaging | Commissioning of radial resolution by spatial masking (also in reversed field) | Stechow | Bähner, Triminio | ||||||||||||||||||||
90 | (not coordinated) | astechow_019 | phase contrast imaging | ICRF frequency range measurements (also for ICE detection) | Edlund / Porkolab | |||||||||||||||||||||
91 | kjerh_003 | phase contrast imaging | PCI vs GENE-3D + synthetic PCI reference discharge(s) | Hansen / Bähner | ||||||||||||||||||||||
92 | astechow_016 | phase contrast imaging | validation of telescope magnification for wavenumber resolution | Stechow / Hansen / Bähner | ||||||||||||||||||||||
93 | astechow_017 | phase contrast imaging | validation of telescope magnification for beam size selection | Stechow / Hansen / Bähner | ||||||||||||||||||||||
94 | astechow_018 | phase contrast imaging | Commissioning of beam stabilization feedback system | Stechow / Hansen / Bähner | ||||||||||||||||||||||
95 | golof_020 | Thomson scattering | exploratory density fluc. measurement method in full poloidal plane | Fuchert | ||||||||||||||||||||||
96 | Correlation ECE | Sensitivitiy to known ne- and Te- fluctuations | Weir | |||||||||||||||||||||||
97 | doppler backscattering | steerable mirror system for k-resolution | Windisch? | Estrada | ||||||||||||||||||||||
98 | ||||||||||||||||||||||||||
99 | ||||||||||||||||||||||||||
100 | link to OP2.1 proposal drafts: | https://docs.google.com/document/d/1BxhXvOIpYEJVacZCE8z9zILV_fhgH6FMn-s1q16v9tM/edit?usp=sharing | Weir |