W7-X: Difference between revisions
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* [[doi:10.1016/j.fusengdes.2009.01.106|L. Wegener, ''Status of Wendelstein 7-X construction'', Fusion Engineering and Design '''84''', 2-6 (2009) 106-112]] | * [[doi:10.1016/j.fusengdes.2009.01.106|L. Wegener, ''Status of Wendelstein 7-X construction'', Fusion Engineering and Design '''84''', 2-6 (2009) 106-112]] | ||
* [[doi:10.1109/TPS.2009.2036918|H.-S. Bosch et al, ''Construction of Wendelstein 7-X; Engineering a Steady-State Stellarator'', IEEE Trans. Plasma Science '''38''', 3 (2010) 265]] | * [[doi:10.1109/TPS.2009.2036918|H.-S. Bosch et al, ''Construction of Wendelstein 7-X; Engineering a Steady-State Stellarator'', IEEE Trans. Plasma Science '''38''', 3 (2010) 265]] | ||
[[Category:Toroidal confinement devices]] | |||
Revision as of 15:00, 15 August 2012
Wendelstein 7-X (W7-X) is an experimental stellarator currently being built in Greifswald, Germany by the Max-Planck-Institut für Plasmaphysik (IPP). W7-X is an optimized stellarator, i.e. the magnetic field has been tailored to meet several physical optimization criteria.
| Parameter | Value | Unit |
|---|---|---|
| Major radius, R0: | 5.5 | m |
| Minor radius, a: | 0.53 | m |
| Plasma volume, V: | 30 | m3 |
| Non-planar coils: | 50 | |
| Planar coils: | 20 | |
| Number of ports: | 253 | |
| Rotational transform, ι/2π: | 5/6-5/4 | |
| Magnetic field on axis, B0: | <3 | T |
| Stored energy, W: | 600 | MJ |
| Heating power, P: | 15-30 | MW |
| Pulse length: | 30 | min |
| Machine height: | 4.5 | m |
| Machine diameter: | 16 | m |
| Machine mass: | 725 | t |
Optimization criteria
- Feasible modular coils
- Good, nested magnetic surfaces
- Good finite-β equilibria
- Good MHD stability
- Small neoclassical transport
- Small bootstrap current
- Good confinement of fast particles
See also
- Wendelstein 7-X (division)
- Wendelstein 7-X (project)
References
- H. Wobig, The theoretical basis of a drift-optimized stellarator reactor, Plasma Phys. Control. Fusion 35 (1993) 903
- J. Nührenberg et al., Trans. Fusion Technology 27 (1995) 71
- C. Nührenberg, Global ideal magnetohydrodynamic stability analysis for the configurational space of Wendelstein 7–X, Phys. Plasmas 3 (1996) 2401
- V. Erckmann et al, The W7-X project: scientific basis and technical realization, Fusion Engineering 6-10 (1997) 40
- M. Wanner and the W7-X Team, Design goals and status of the WENDELSTEIN 7-X project, Plasma Phys. Control. Fusion 42 (2000) 1179
- M. Wanner et al, Design and construction of WENDELSTEIN 7-X, Fusion Engineering and Design 56-57 (2001) 155-162
- M. Wanner et al, Status of WENDELSTEIN 7-X construction, Nucl. Fusion 43 (2003) 416
- M. Wanner and the W7-X Team, Construction and assembly of WENDELSTEIN 7-X, Fusion Engineering and Design 81, 20-22 (2006) 2305-2313
- L. Wegener, Status of Wendelstein 7-X construction, Fusion Engineering and Design 84, 2-6 (2009) 106-112
- H.-S. Bosch et al, Construction of Wendelstein 7-X; Engineering a Steady-State Stellarator, IEEE Trans. Plasma Science 38, 3 (2010) 265