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Wendelstein 7-X


w7x_spulen_plasma.eps

Computer graphics: Magnet coils and plasma of the Wendelstein 7-X fusion device, which is being build at the Greifswald Branch of IPP


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w7x_kryostat_jpg

Computer graphics: Cryostat, magnet coils and plasma of the Wendelstein 7-X fusion device.


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w7x_schema.jpg

Computer graphics: Cryostat, magnet coils, support structure and plasma vessel of the Wendelstein 7-X fusion device.


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1_6_w7x.png

Sequence, picture 1: Computer graphics: plasma vessel of the Wendelstein 7-X fusion device. (Graphics: IPP)


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2_6_w7x.png

Sequence, picture 2: Computer graphics: Plasma vessel and superconducting magnet coils of the Wendelstein 7-X fusion device. (Grafik: IPP)


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3_6_w7x.png

Sequence, picture 3 – computer graphics: Plasma vessel and superconducting stellarator magnet coils as well as planar magnet coils of the Wendelstein 7-X fusion device. (Graphics: IPP)


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4_6_w7x.png

Sequence, picture 4 – computer graphics: Plasma vessel, superconducting stellarator magnet coils, planar magnet coils, cooling pipes, current leads and support structure of the Wendelstein 7-X fusion device. (Graphics: IPP)

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5_6_w7x.png

Sequence, picture 5 – computer graphics: Plasma vessel, superconducting stellarator magnet coils, planar magnet coils, support structure and cryostat of the Wendelstein 7-X fusion device. (Graphics: IPP)

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6_6_w7x.png

Sequence, picture 6 – computer graphics: The outer vessel, the cryostat, of the Wendelstein 7-X fusion device. (Graphics: IPP)

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w7x_spule.tif

One of a total of 50 stellarator magnet coils for Wendelstein 7-X


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W7X_gefaess_6.jpg

Segment of the plasma vessel for Wendelstein 7-X during production.
(photo: IPP, Wolfgang Filser)


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w7x_montage.jpg

Assembly of a half-module: Suspended in a rotatable support structure, the first of 50 stellarator magnet coils is strung onto a segment of the plasma vessel.


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w7x_aussengefaess_1.tif

One of the five sections of the outer vessel of Wendelstein 7-X during production.
(photo: IPP, Wolfgang Filser)


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w7x_gefaess_aussen_2.tif

One of the five sections of the outer vessel of Wendelstein 7-X during production.
(photo: IPP, Wolfgang Filser)


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w7x_halbmodul.jpg

A completed half-module of Wendelstein 7-X on the way to the second pre-assembly rig 


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w7x_modul.jpg

One of the five modules during transport to its final position on the machine foundation


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w7x_torus_innen.jpg

View inside one of the modules. Visible are the plasma vessel, a magnet coil, the outer casing, and numerous ducts for coolant and leads for power.


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w7x_torus_aussen.jpg

All five modules are installed on the machine’s foundation (December 2011). The missing final section of the outer casing (top front) will complete the core of the device.


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w7x_torus_mai_2013.jpg

The last open seam of the outer steel casing of Wendelstein 7-X was closed at the end of May 2013. The core of the device was then structurally complete.
(photo: IPP; Anja Ullmann)


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w7x_aussen_1215.jpg

Wendelstein 7-X in December 2015.
(photo: IPP, Torsten Bräuer)


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w7x_torus_aussen_2017

View of Wendelstein 7-X with its numerous diagnostics (April 2017)
(photo: IPP, Jan Michael Hosan)

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W7X_Torus_aussen_2021_Halle.jpg

Wendelstein 7-X in November 2021 photo: IPP, J. Hosan

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Torus_W7X_2021.jpg

Wendelstein 7-X in November 2021 photo: IPP, J. Hosan

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w7x_plasmagefaess.jpg

View into the plasma vessel of  Wendelstein 7-X (2015)

(photo IPP, Thorsten Bräuer)

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w7x_plasmagefaess_2017

Assembly of graphite tiles in the plasma vessel of Wendelstein 7-X (2017)
(photo: IPP, Jan Michael Hosan)

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W7X_Plasmagefaess_2021.jpg

Final assembly work in the plasma vessel of Wendelstein 7-X im November 2021 photo: IPP, J. Hosan

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plasmagefaess_W7X_2021_ohne_Person.jpg

View into the plasma vessel of Wendelstein 7-X (November 2021) photo: IPP, J. Hosan

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w7x_poincare_plot.jpg

Testing of the Wendelstein 7-X magnetic field (July 2015): the fluorescent rod makes closed, nested magnetic surfaces visible – the magnetic field cage for the plasma is exactly as it should be.
(Photo: IPP, Matthias Otte)

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w7x_island_chain.jpg

Flux surface diagnostics for Wendelstein 7-X (July 2015): the photograph combines the tracer of an electron beam on its multiple circulation along a field line through the plasma vessel with the image points left behind by a fluorescent rod which has been moved through the image plane.
(Photo: IPP, Matthias Otte)

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w7x_plasma_15_c.jpg 
(coloured b/w photo)

w7x_plasma_15.tif 

(original b/w photo)

10 December 2015: The first plasma in Wendelstein 7-X. It consisted of about one milligram of helium and reached a temperature of one million degrees Celsius. (photo: IPP)

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w7x_plasma_16_c.tif
(coloured b/w photo)

w7x_plasma_16.tif
(original b/w photo)

3 February 2016: The first hydrogen plasma in Wendelstein 7-X. It reached a temperature of 80 million degrees Celsius. (photo: IPP)

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plasma_W7X.jpg

Plasma image from 25 June 2018 photo: IPP/Wigner RCP

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