and experiments on east
play

and Experiments on EAST L. Wang, G. -N. Luo*, Q. Li, F. Ding, W. J. - PowerPoint PPT Presentation

Sep 09, 2023 •184 likes •427 views

1 st IAEA TM on Divertor Concepts, Vienna, Sep 29 - Oct 2, 2015 ASIPP ITER-like Tungsten Divertor Development and Experiments on EAST L. Wang, G. -N. Luo*, Q. Li, F. Ding, W. J. Wang, D. M. Yao, G. S. Xu, H. Y. Guo, Y. Liang, Y. W. Sun, X. Z.

  1. 1 st IAEA TM on Divertor Concepts, Vienna, Sep 29 - Oct 2, 2015 ASIPP ITER-like Tungsten Divertor Development and Experiments on EAST L. Wang, G. -N. Luo*, Q. Li, F. Ding, W. J. Wang, D. M. Yao, G. S. Xu, H. Y. Guo, Y. Liang, Y. W. Sun, X. Z. Gong, B. N. Wan, J. Li and X. D. Zhang *E-mail: gnluo@ipp.ac.cn Institute of Plasma Physics, Chinese Academy of Sciences

  2. Outline ASIPP 1. Development of W/Cu Divertor on EAST – Engineering – Commissioning 2. Experiments of W divertor operation – Experimental results in 2014 – Preliminary results in 2015 3. Summary & Outlook 1st IAEA TM on Divertor Concepts, Sep 29 - Oct 2, Vienna, 2015 2

  3. Structure Design and Evaluation ASIPP Cassete Body (CB) Module = CB + IVT + DOME + OVT EAST upper tungsten divertor DOME has modular structure with 80 IVT OVT modules in total. Each module supported by inner/outer rail Monoblock-PFU and middle support. 1st IAEA TM on Divertor Concepts, Sep 29 - Oct 2, Vienna, 2015 3

  4. PFCs Configuration and Connections ASIPP Baffles (flat type) OVT Connecting plate IVT Monoblock units by Diffusion bonding Brazing (for legs) DOME EB welding End Box (flat type) 1st IAEA TM on Divertor Concepts, Sep 29 - Oct 2, Vienna, 2015 4

  5. ITER-like Monoblock W/Cu PFUs ASIPP • HIP+HIP: W/Cu mockups were manufactured successfully by a double Hot Isostatic Pressing (HIP) technology • NDT results: Passed NDT check for dual bondings between W/OFC/CuCrZr tube; HHF testing: 10MW/m 2 -1000cycles passed Bulk W-monoblock CuCrZr tube - HIP OFC interlayer - HIP 1st IAEA TM on Divertor Concepts, Sep 29 - Oct 2, Vienna, 2015 5

  6. Flat-type W/Cu PFUs ASIPP • Casting + HIP: The interface of W/Cu were joined by casting, and then the interface of Cu/CuCrZr was bonded by HIP at lower temperature of 500~600 ℃ . • NDT results: Passed NDT check for dual bondings between W/OFC/CuCrZr plate; HHF testing: 5MW/m 2 -1000cycles passed Casting or VPS/CVD or gradient W/Cu layer VHP 1st IAEA TM on Divertor Concepts, Sep 29 - Oct 2, Vienna, 2015 6

  7. E-beam welding of PFCs ASIPP 60 kV, 6 kW 1 m 1.4 m 1 m 1st IAEA TM on Divertor Concepts, Sep 29 - Oct 2, Vienna, 2015 7

  8. Assembly ASIPP Module: 80pcs Monoblock W: 15,000pcs Flat W tiles: 24,000pcs E-beam seam: > 5000pcs CuCrZr plates: > 8tons CuCrZr tubes: 720pcs/360m 21st ITPA-DSOL Meeting, PPPL, June 9-12, 2015 2015-06-10 8

  9. Commissioning in 2014 ASIPP • Twice leak events during baking at 170 ℃ , and first repaired and second evacuated (given-up) • Baking at the end of campaign at 270 ℃ to test PFCs and find put weak points (possible leaks) • After campaign, found 13 leak points and some W tile damages, w/certain or uncertain causes! 1st IAEA TM on Divertor Concepts, Sep 29 - Oct 2, Vienna, 2015 9

  10. Repair/Optimization in 2015 ASIPP Bellows 沿原焊缝切除 3D-Printing of broken support leg 沿此处切除 • Cooling tube connection: TIG welding -> soft bellows • QA&QC for EBW btw tube and heat sink enhanced • PFCs+CB baking at 250 ℃ prior to assembly in VV 1st IAEA TM on Divertor Concepts, Sep 29 - Oct 2, Vienna, 2015 10

  11. Commissioning in 2015 ASIPP  Baking : 180~200 ℃ W  Plasma discharge in June-July  W-divertor operation in July  No leaking in 2015 Mo C 1st IAEA TM on Divertor Concepts, Sep 29 - Oct 2, Vienna, 2015 11

  12. Outline ASIPP 1. Development of W/Cu Divertor on EAST – Engineering – Commissioning 2. Experiments of W divertor operation – Experimental results in 2014 – Preliminary results in 2015 3. Summary & Outlook 1st IAEA TM on Divertor Concepts, Sep 29 - Oct 2, Vienna, 2015 12

  13. Monitoring W source on EAST ASIPP H mid-plane port Outer target plane (L section) Spectroscopy system: Spectrometer & Filter + PMT  350nm - 800nm  300 / 600 /1200 /1800 /3600 l/mm gratings  Spatial resolution: 13 mm (poloidal)  Time resolution: 200 Hz (12 channels, EMCCD) Inner target plane Max. 20 kHz (PMT) (H section) 13

  14. W source in type I ELMy H mode plasma ASIPP 400KA, LSN, NBI L+R 3MW A strong W source appears during type I ELMs, together with other impurities including C, Li, etc., and inter-ELM vs Te 14

  15. W source in type I ELMy H mode plasma ASIPP Poloidal distribution of intra-ELM W influx presents a significant increase at strike point region, corresponding to T e distribution at divertor. 1st IAEA TM on Divertor Concepts, Sep 29 - Oct 2, Vienna, 2015 15

  16. Long pulse W divertor operation in 2015 ASIPP  Shot#57499: Ip=370kA, B t =2.25T , n e =4.5E 19, P HW ~2MW, P ICRF ~1.6MW L #57499 upper-outer-divertor 500 400 temperature o C 300 200 100 0 6 4 a.u） Da （ 2 0 0 5 10 15 20 25 30 35 Time(s) Unde r e va lua tio n 16  Dive rtor ta rg e t surfa c e te mpe ra ture sa tura te s a fte r ~10s.

  17. Plasma detachment in USN W divertor ASIPP  L-mode ： Ip=400kA, Bt= 2.25 T, ne=2.5  4.5 x10 19 m -3 , P LHW ~1.5MW 3.5s 4.5s 7s 17

  18. In-out asymmetry of divertor particle fluxes during ELMs ASIPP  USN, W-divertor, Normal Bt  ELM particle flux favors outboard divertor in USN, while favors inboard divertor in LSN.  Provides reference for particle exhaust during long-pulse H-mode operation.  Consistent with PS flow, as measured by LFS reciprocating Langmuir probes.  LSN, C-divertor, Normal Bt 18

  19. Outline ASIPP 1. Development of W/Cu Divertor on EAST – Engineering – Commissioning 2. Experiments of W divertor operation – Experimental results in 2014 – Preliminary results in 2015 3. Summary & Outlook 1st IAEA TM on Divertor Concepts, Sep 29 - Oct 2, Vienna, 2015 19

  20. Summary & Outlook ASIPP  EAST upgraded its upper divertor into full W/Cu-PFCs, employing HIP technology and e-beam welding in 2014.  Commissioning in 2014 found leak and damage in the EAST W divertor. Repairing & optimization exhibits technology success in the 2015 campaign.  Preliminary divertor experiments & study on plasma- tungsten interactions (PWI) have been carried out.  W divertor for long-pulse high performance operation of EAST will be attempted in the coming campaigns.  Series of experiments to study W-divertor capabilities, performance, Div-SOL physics and PWI are planned. 1st IAEA TM on Divertor Concepts, Sep 29 - Oct 2, Vienna, 2015 20

  21. ASIPP Thank you! Welcome collaborations! 21 EAST – Test Bed for ITER & CFETR

  22. Initial comparison of W/C divertor particle exhaust capability with Li coating ASIPP B ×▽ B ↓ dR sep (m)  Total puff (0-7s): USN=1.65E22 D, LSN=1.55E22 D ；  More input data are needed to draw an 22 USN/LSN comparison conclusion, especially for long pulse operation.

  23. Tungsten/Wall diagnostics ASIPP 23

  24. Heat and particle flux diagnostics ASIPP IR thermography Div-probe array ： Ports D & O  Parameters to be measured:  Parameters to be measured:  Divertor surface temperature,  nt, Tt, Vf, particle & heat fluxes  Target heat flux  toroidal asymmetry …  Field of view: 47 °× 58 °  Spatial resolution:  Temporal resolution:  12-18mm@UI&UO;  8.7ms (full frame)  15mm@LI,10mm@LO  0.86ms (1/4 frame)  Time resolution: 20µs  0.34ms (132*3)  Power supplier: DC 200V, 3A/10A  Spatial resolution: 4 mm  PWI, divertor and 3D Phys. studies. toroidal Upper div-LP arrays in ITER-like W monoblock 24 24

Download Presentation
Download Policy: The content available on the website is offered to you 'AS IS' for your personal information and use only. It cannot be commercialized, licensed, or distributed on other websites without prior consent from the author. To download a presentation, simply click this link. If you encounter any difficulties during the download process, it's possible that the publisher has removed the file from their server.

Recommend

Experiments Philosophy of Economics University of Virginia Matthias Brinkmann Contents 1.

Experiments Philosophy of Economics University of Virginia Matthias Brinkmann Contents 1.

Experiments Philosophy of Economics University of Virginia Matthias Brinkmann Contents 1. Public Goods Experiments 2. Types of Experiments 3. The Role of Experiments 29/10/2018 Experiments 2 A Standard Finding (Guala 2005, 22) Two

460 views • 14 slides
Hagner experiments status after 22 years Per-Erik Wikberg SLU Ume Hagner experiments

Hagner experiments status after 22 years Per-Erik Wikberg SLU Ume Hagner experiments

Hagner experiments status after 22 years Per-Erik Wikberg SLU Ume Hagner experiments Liberich liberation thinning, enrichment planting (in Swedish naturkultur) Principle: optimizing the net present value at each site of the

601 views • 34 slides
Collider Experiments and India Sunanda Banerjee January, 2019 Experiments in High Energy Physics

Collider Experiments and India Sunanda Banerjee January, 2019 Experiments in High Energy Physics

Collider Experiments and India Sunanda Banerjee January, 2019 Experiments in High Energy Physics Particle physics experiments in the world started with No accelerator Visual detection technique In absence of accelerators what was

472 views • 46 slides
Experiments designed to help the participants Maximilian Kasy 7/10/2019 Why experiments? Are

Experiments designed to help the participants Maximilian Kasy 7/10/2019 Why experiments? Are

Experiments designed to help the participants Maximilian Kasy 7/10/2019 Why experiments? Are your programs effective in helping refugees? How to find out? Possibility 1: Compare the outcomes of those who got the programs to others who

330 views • 13 slides
Planned OBT Experiments at CRL Planned OBT Experiments at CRL September 14, 2011 Sang Bog Kim

Planned OBT Experiments at CRL Planned OBT Experiments at CRL September 14, 2011 Sang Bog Kim

Planned OBT Experiments at CRL Planned OBT Experiments at CRL September 14, 2011 Sang Bog Kim and Vladimir Korolevych Research Scientist Environmental Technologies Branch Chalk River Laboratories Chalk River, Ontario Canada 1 UNRESTRICTED

594 views • 17 slides
Key Experiments Key Experiments and Simulation: and Simulation: Status Report Status Report

Key Experiments Key Experiments and Simulation: and Simulation: Status Report Status Report

Key Experiments Key Experiments and Simulation: and Simulation: Status Report Status Report E.Farnea INFN Sezione di Padova, Italy AGATA Week, Strasbourg, November 24 th , 2005 Outline Outline Performance of the Demonstrator Some

317 views • 19 slides
WISP searches by Tokyo tabletop experiments group UTokyo tabletop experiments group Toshio

WISP searches by Tokyo tabletop experiments group UTokyo tabletop experiments group Toshio

WISP searches by Tokyo tabletop experiments group UTokyo tabletop experiments group Toshio NAMBA 0 UT tabletop experiments group (only related to todays talk) UTokyo Physics & ICEPP : S. Asai, T. Inada, T. Yamaji, T. Yamazaki(KEK),

624 views • 49 slides
Lecture 5/Chapter 5 Experiments Variables Roles Outside Variables Single- or

Lecture 5/Chapter 5 Experiments Variables Roles Outside Variables Single- or

Lecture 5/Chapter 5 Experiments Variables Roles Outside Variables Single- or Double-Blind Experiments Flaws and Remedies in Experiments Roles of variables Most statistical studies of relationships attempt to establish evidence

763 views • 32 slides
Phase Fluctuations and Sign Problems Michael Wagman MIT Lattice 2018 East Lansing, Michigan

Phase Fluctuations and Sign Problems Michael Wagman MIT Lattice 2018 East Lansing, Michigan

Phase Fluctuations and Sign Problems Michael Wagman MIT Lattice 2018 East Lansing, Michigan Lattice QCD and Nuclei Nuclear theory predictions are needed to extract or constrain new physics from intensity frontier experiments Lattice QCD can

359 views • 20 slides
Designs Chapter 11 Quasi-Experimentation Quasi-experiments resemble experiments, but lack

Designs Chapter 11 Quasi-Experimentation Quasi-experiments resemble experiments, but lack

Quasi-Experimental Designs Chapter 11 Quasi-Experimentation Quasi-experiments resemble experiments, but lack experimental control lack of random assignment is the key point of distinction between quasi- experiments and true

888 views • 31 slides
Experimental Design and the Search for Quasi-Experiments Department of Government London School

Experimental Design and the Search for Quasi-Experiments Department of Government London School

Review Randomized Experiments Quasi-Experiments Experimental Design and the Search for Quasi-Experiments Department of Government London School of Economics and Political Science Review Randomized Experiments Quasi-Experiments 1 A Review

823 views • 58 slides
Survey Experiments April 8 1 / 16 Outline Guest presentation Overview of survey experiments

Survey Experiments April 8 1 / 16 Outline Guest presentation Overview of survey experiments

Survey Experiments April 8 1 / 16 Outline Guest presentation Overview of survey experiments Discussion of readings Synopsis presentations 2 / 16 Guest Presentation Rune Slothuus, Professor in IFSK Discussing survey experiment by Druckman,

496 views • 16 slides
Remote Participation in in Remote Participation physical experiments physical experiments

Remote Participation in in Remote Participation physical experiments physical experiments

Remote Participation in in Remote Participation physical experiments physical experiments Piroska Giese KFKI RMKI e-mail : giese@rmki.kfki.hu Yahoo ID : kfki_Piroska_Giese April 18-19 2002, Cluj-Napoca RoEduNet Conference Slide 1 Overview

543 views • 40 slides
EAST SEATON FARM East Seaton Farm East Seaton is owned by Mr Lochart Porter and his wife Debbie

EAST SEATON FARM East Seaton Farm East Seaton is owned by Mr Lochart Porter and his wife Debbie

EAST SEATON FARM East Seaton Farm East Seaton is owned by Mr Lochart Porter and his wife Debbie 50 ha Strawberries (All table tops) 14 ha Raspberries 7 ha Blackberries 40 ha Blueberries 50 Full time staff (10 Scottish, 40 Eastern Europeans)

501 views • 29 slides
Social Experiments Handbook of Econometrics James J. Heckman and Edward J. Vytlacil The

Social Experiments Handbook of Econometrics James J. Heckman and Edward J. Vytlacil The

Social Experiments Handbook of Econometrics James J. Heckman and Edward J. Vytlacil The University of Chicago and Stanford University Handout Draft, July 28, 2004 1 1 Social Experiments 1.1 Introduction Consider ideal experiments with no

1.06k views • 79 slides
Non-LHC experiments in HEPDATA Matthew Wing (UCL) Initial comments. Data / experiments

Non-LHC experiments in HEPDATA Matthew Wing (UCL) Initial comments. Data / experiments

Non-LHC experiments in HEPDATA Matthew Wing (UCL) Initial comments. Data / experiments to be included ? More exotic data. British Museum HEPDATA Advisory Board Meeting 16 October 2015 Initial comments It would be

465 views • 5 slides
Readmission Analytics: Care Transformation through Innovation and Analytics Mohan Tanniru Prof

Readmission Analytics: Care Transformation through Innovation and Analytics Mohan Tanniru Prof

Readmission Analytics: Care Transformation through Innovation and Analytics Mohan Tanniru Prof of MIS, Oakland University, Rochester, MI Senior Investigator, Henry Ford Health System Care Stages and Readmission - Focus is on Continuity of

500 views • 39 slides
Loblolly Pine Trees at the Camp Mohawk Area In Intern Fie Field ld Proje ojects ts: Obje

Loblolly Pine Trees at the Camp Mohawk Area In Intern Fie Field ld Proje ojects ts: Obje

Texas Master Naturalist Cradle of Texas Intern Class of Jan-2016 Loblolly Pine Trees at the Camp Mohawk Area In Intern Fie Field ld Proje ojects ts: Obje bjectiv ives, , Proc ocedures, Rep eportin ing Pre-field investigation

843 views • 36 slides
Examining fuel poverty and health: new insights and future priorities Helen Stockton, Research

Examining fuel poverty and health: new insights and future priorities Helen Stockton, Research

Examining fuel poverty and health: new insights and future priorities Helen Stockton, Research Manager, NEA Jamie-Leigh Ruse, Senior Research and Policy Officer, NEA What well cover 1. Role of the Research Team at NEA 2. NEAs advocacy

507 views • 31 slides
T he Patient Protec- tion and Affordable Care Act has a wide array of provisions intended to

T he Patient Protec- tion and Affordable Care Act has a wide array of provisions intended to

The Patient Protection and Affordable Care Act Six Years Later Are We Healthier? Has the Quality of Care Improved? by Barry Liss T he Patient Protec- tion and Affordable Care Act has a wide array of provisions intended to improve health

267 views • 6 slides
Financial Aid 101 2 Meet the Team Eastern Pennsylvania Tiffanie DeVan Robin Walker Michael

Financial Aid 101 2 Meet the Team Eastern Pennsylvania Tiffanie DeVan Robin Walker Michael

Financial Aid 101 2 Meet the Team Eastern Pennsylvania Tiffanie DeVan Robin Walker Michael Burke Sonya Mann- McFarlane tdevan@pheaa.org rwalker@pheaa.org mburke@pheaa.org Smannmcf@pheaa.org Dauphin, Juniata, Mifflin, Bradford,

529 views • 41 slides
YOU CLIM IMB Helping Employees Use Ladders Safely Our presentation begins soon THINK BEFORE

YOU CLIM IMB Helping Employees Use Ladders Safely Our presentation begins soon THINK BEFORE

THINK BEFORE YOU CLIM IMB Helping Employees Use Ladders Safely Our presentation begins soon THINK BEFORE YOU CLIM IMB Helping Employees Use Ladders Safely ICW Group Risk Management Todays presenter Mike Pettit Sr. Risk Management

518 views • 47 slides
Health and Safety principles Ludwig Berger, Director Health, and Safety and Environment Monier

Health and Safety principles Ludwig Berger, Director Health, and Safety and Environment Monier

Health and Safety principles Ludwig Berger, Director Health, and Safety and Environment Monier Group R O O F S F O R L I V I N G Key facts 2008 Sales 1,506 million euros Employees 11,155 Sites* 152 in 34 countries Business activities

397 views • 28 slides
1 Events of June 15, 2019 did not happen in isolation Consistent with Mr. Sheehans reported

1 Events of June 15, 2019 did not happen in isolation Consistent with Mr. Sheehans reported

1 Events of June 15, 2019 did not happen in isolation Consistent with Mr. Sheehans reported conduct over the years before the shooting incident 2 June 12, 2019 Mr. Sheehan got mad over a trivial matter Said Ms. LaDuke would eat the

1.06k views • 94 slides

More recommend