TJ-K - Revision history

Akoehn: added diagnostics part

2013-09-03T15:02:25Z

added diagnostics part

@@ Line 8: / Line 8: @@
 In 1999, TJ-K was transferred to Kiel, Germany (hence the 'K'), and in 2005 to the [http://www.igvp.uni-stuttgart.de/forschung/plasmadynamik-und-diagnostik.en.html IGVP institute] in Stuttgart, Germany.
 In its reincarnation as TJ-K, the device is operated at low magnetic field (about 0.07 T) and heating (1-6 kW of ECRH heating), and corresponding relatively low values of the plasma parameters (electron density: 5 &times; 10<sup>17</sup> m<sup>-3</sup>; electron temperature: 10 eV; ion temperature: 1 eV).
 == Current status ==

Akoehn: updated name and link to Stuttgart's institute

2013-09-03T14:52:45Z

updated name and link to Stuttgart's institute

← Older revision		Revision as of 16:52, 3 September 2013
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	TJ-IU was taken into operation in 1994, and was operated at relatively high magnetic field (0.5 T) and heating power (200 kW of ECRH heating), and corresponding relatively high values of the plasma parameters (electron density: 5 × 10<sup>18</sup> m<sup>-3</sup>).		TJ-IU was taken into operation in 1994, and was operated at relatively high magnetic field (0.5 T) and heating power (200 kW of ECRH heating), and corresponding relatively high values of the plasma parameters (electron density: 5 × 10<sup>18</sup> m<sup>-3</sup>).

	In 1999, TJ-K was transferred to Kiel, Germany (hence the 'K'), and in 2005 to the [http://www.~~ipf~~.uni-stuttgart.de/~~gruppen~~/~~pdd/pdd_tjk~~.html ~~IPF~~ institute] in Stuttgart, Germany.		In 1999, TJ-K was transferred to Kiel, Germany (hence the 'K'), and in 2005 to the [http://www.igvp.uni-stuttgart.de/forschung/plasmadynamik-und-diagnostik.en.html IGVP institute] in Stuttgart, Germany.
	In its reincarnation as TJ-K, the device is operated at low magnetic field (about 0.07 T) and heating (1-6 kW of ECRH heating), and corresponding relatively low values of the plasma parameters (electron density: 5 × 10<sup>17</sup> m<sup>-3</sup>; electron temperature: 10 eV; ion temperature: 1 eV).		In its reincarnation as TJ-K, the device is operated at low magnetic field (about 0.07 T) and heating (1-6 kW of ECRH heating), and corresponding relatively low values of the plasma parameters (electron density: 5 × 10<sup>17</sup> m<sup>-3</sup>; electron temperature: 10 eV; ion temperature: 1 eV).

Admin: /* History */

2013-08-22T09:19:22Z

History

← Older revision		Revision as of 11:19, 22 August 2013
Line 6:		Line 6:
	TJ-IU was taken into operation in 1994, and was operated at relatively high magnetic field (0.5 T) and heating power (200 kW of ECRH heating), and corresponding relatively high values of the plasma parameters (electron density: 5 × 10<sup>18</sup> m<sup>-3</sup>).		TJ-IU was taken into operation in 1994, and was operated at relatively high magnetic field (0.5 T) and heating power (200 kW of ECRH heating), and corresponding relatively high values of the plasma parameters (electron density: 5 × 10<sup>18</sup> m<sup>-3</sup>).

	In 1999, TJ-K was transferred to Kiel, Germany, and in 2005 to the [http://www.ipf.uni-stuttgart.de/gruppen/pdd/pdd_tjk.html IPF institute] in Stuttgart, Germany.		In 1999, TJ-K was transferred to Kiel, Germany (hence the 'K'), and in 2005 to the [http://www.ipf.uni-stuttgart.de/gruppen/pdd/pdd_tjk.html IPF institute] in Stuttgart, Germany.
	In its reincarnation as TJ-K, the device is operated at low magnetic field (about 0.07 T) and heating (1-6 kW of ECRH heating), and corresponding relatively low values of the plasma parameters (electron density: 5 × 10<sup>17</sup> m<sup>-3</sup>; electron temperature: 10 eV; ion temperature: 1 eV).		In its reincarnation as TJ-K, the device is operated at low magnetic field (about 0.07 T) and heating (1-6 kW of ECRH heating), and corresponding relatively low values of the plasma parameters (electron density: 5 × 10<sup>17</sup> m<sup>-3</sup>; electron temperature: 10 eV; ion temperature: 1 eV).

Admin at 10:21, 20 August 2013

2013-08-20T10:21:04Z

← Older revision		Revision as of 12:21, 20 August 2013
Line 10:		Line 10:

	== Current status ==		== Current status ==
	[[File:TJ-K_Langmuir.png\|500px\|thumb\|right\|Dense Langmuir probe arrays. The outer port array (OPA, photograph on the left) is installed at the outer port O2 and O3, the top port array (TPA, photograph on the right) is successively installed at the top ports T5, T2 and T4.<ref>[[doi:10.1088/0741-3335/55/1/015003\|G Birkenmeier, M. Ramisch, G. Fuchert, A. Köhn, B. Nold and U. Stroth, ''Spatial structure of drift-wave turbulence and transport in a stellarator'', Plasma Phys. Control. Fusion '''55''' (2013) 015003]]</ref>]]		[[File:TJ-K_Langmuir.png\|500px\|thumb\|right\|Dense Langmuir probe arrays. The outer port array (OPA, photograph on the left) is installed at the outer port O2 and O3, the top port array (TPA, photograph on the right) is successively installed at the top ports T5, T2 and T4.<ref>[[doi:10.1088/0741-3335/55/1/015003\|G. Birkenmeier, M. Ramisch, G. Fuchert, A. Köhn, B. Nold and U. Stroth, ''Spatial structure of drift-wave turbulence and transport in a stellarator'', Plasma Phys. Control. Fusion '''55''' (2013) 015003]]</ref>]]

	Some research results can be found in the cited papers.		Some research results can be found in the cited papers.

Admin at 10:20, 20 August 2013

2013-08-20T10:20:14Z

Admin: /* References */

2013-08-20T09:38:39Z

References

← Older revision		Revision as of 11:38, 20 August 2013
Line 33:		Line 33:

	<references />		<references />

			[[Category:Toroidal confinement devices]]

Admin at 08:39, 20 August 2013

2013-08-20T08:39:15Z

← Older revision		Revision as of 10:39, 20 August 2013
Line 1:		Line 1:
	The TJ-K device is a torsatron with a single helical coil (''l''=1, ''m''=6).		The TJ-K device is a torsatron ([[stellarator]]) with a single helical coil (''l''=1, ''m''=6).

	== History ==		== History ==

Admin at 08:38, 20 August 2013

2013-08-20T08:38:34Z

@@ Line 8: / Line 8: @@
 In 1999, TJ-K was transferred to Kiel, Germany, and in 2005 to the [http://www.ipf.uni-stuttgart.de/gruppen/pdd/pdd_tjk.html IPF institute] in Stuttgart, Germany.
 In its reincarnation as TJ-K, the device is operated at low magnetic field (about 0.07 T) and heating (1-6 kW of ECRH heating), and corresponding relatively low values of the plasma parameters (electron density: 5 &times; 10<sup>17</sup> m<sup>-3</sup>; electron temperature: 10 eV; ion temperature: 1 eV).
 == References ==
-* [[doi:10.1063/1.1857531| M. Ramisch, N. Mahdizadeh, U. Stroth, F. Greiner, C. Lechte, and K. Rahbarnia, ''&rho;<sub>s</sub> scaling of characteristic turbulent structures in the torsatron TJ-K'', Phys. Plasmas 12, 032504 (2005)]]
+<references />

Admin at 08:01, 20 August 2013

2013-08-20T08:01:03Z

@@ Line 4: / Line 4: @@
 TJ-K was originally named [[TJ-IU]], and was constructed at [[CIEMAT]] in Madrid, Spain.
-TJ-IU was taken into operation in 1994, and was operated at relatively high magnetic field (0.5 T) and heating power (200 kW of ECRH heating), and corresponding relatively high values of the plasma parameters.
+TJ-IU was taken into operation in 1994, and was operated at relatively high magnetic field (0.5 T) and heating power (200 kW of ECRH heating), and corresponding relatively high values of the plasma parameters (electron density: 5 &times; 10<sup>18</sup> m<sup>-3</sup>).
 In 1999, TJ-K was transferred to Kiel, Germany, and in 2005 to the [http://www.ipf.uni-stuttgart.de/gruppen/pdd/pdd_tjk.html IPF institute] in Stuttgart, Germany.
-In its reincarnation as TJ-K, the device is operated at low magnetic field and heating (1-6 kW of ECRH), and corresponding low values of the plasma parameters (electron density: 5 &times; 10<sup>17</sup> m<sup>-3</sup>; electron temperature: 10 eV; ion temperature: 1 eV).
+In its reincarnation as TJ-K, the device is operated at low magnetic field (about 0.07 T) and heating (1-6 kW of ECRH heating), and corresponding relatively low values of the plasma parameters (electron density: 5 &times; 10<sup>17</sup> m<sup>-3</sup>; electron temperature: 10 eV; ion temperature: 1 eV).

Admin at 07:29, 20 August 2013

2013-08-20T07:29:18Z

← Older revision		Revision as of 09:29, 20 August 2013
Line 1:		Line 1:
	The TJ-K device is a torsatron.		The TJ-K device is a torsatron with a single helical coil (''l''=1, ''m''=6).

	== History ==		== History ==

	TJ-K was originally ~~names~~ [[TJ-IU]], constructed at [[CIEMAT]] in Madrid, Spain.		TJ-K was originally named [[TJ-IU]], and was constructed at [[CIEMAT]] in Madrid, Spain.
	TJ-IU was taken into operation in 1994.		TJ-IU was taken into operation in 1994, and was operated at relatively high magnetic field (0.5 T) and heating power (200 kW of ECRH heating), and corresponding relatively high values of the plasma parameters.

	In 1999, TJ-K was transferred to Kiel, Germany, and in 2005 to the [http://www.ipf.uni-stuttgart.de/gruppen/pdd/pdd_tjk.html IPF institute] in Stuttgart, Germany.		In 1999, TJ-K was transferred to Kiel, Germany, and in 2005 to the [http://www.ipf.uni-stuttgart.de/gruppen/pdd/pdd_tjk.html IPF institute] in Stuttgart, Germany.
			In its reincarnation as TJ-K, the device is operated at low magnetic field and heating (1-6 kW of ECRH), and corresponding low values of the plasma parameters (electron density: 5 × 10<sup>17</sup> m<sup>-3</sup>; electron temperature: 10 eV; ion temperature: 1 eV).

← Older revision		Revision as of 12:20, 20 August 2013
Line 10:		Line 10:

	== Current status ==		== Current status ==
	[[File:TJ-K_Langmuir.png\|500px\|thumb\|right\|Dense Langmuir probe arrays. The outer port array (OPA, photograph on the left) is installed at the outer port O2 and O3, the top port array (TPA, photograph on the right) is successively installed at the top ports T5, T2 and T4.<ref>[[doi:10.1088/0741-3335/55/1/015003\|G Birkenmeier, M Ramisch, G Fuchert, A Köhn, B Nold and U Stroth, ''Spatial structure of drift-wave turbulence and transport in a stellarator'', Plasma Phys. Control. Fusion 55 (2013) 015003]]</ref>]]		[[File:TJ-K_Langmuir.png\|500px\|thumb\|right\|Dense Langmuir probe arrays. The outer port array (OPA, photograph on the left) is installed at the outer port O2 and O3, the top port array (TPA, photograph on the right) is successively installed at the top ports T5, T2 and T4.<ref>[[doi:10.1088/0741-3335/55/1/015003\|G Birkenmeier, M. Ramisch, G. Fuchert, A. Köhn, B. Nold and U. Stroth, ''Spatial structure of drift-wave turbulence and transport in a stellarator'', Plasma Phys. Control. Fusion '''55''' (2013) 015003]]</ref>]]

	Some research results can be found in the cited papers.		Some research results can be found in the cited papers.
	<ref>[[doi:10.1063/1.1857531\| M. Ramisch, N. Mahdizadeh, U. Stroth, F. Greiner, C. Lechte, and K. Rahbarnia, ''ρ<sub>s</sub> scaling of characteristic turbulent structures in the torsatron TJ-K'', Phys. Plasmas 12, 032504 (2005)]]</ref>		<ref>[[doi:10.1063/1.1857531\| M. Ramisch, N. Mahdizadeh, U. Stroth, F. Greiner, C. Lechte, and K. Rahbarnia, ''ρ<sub>s</sub> scaling of characteristic turbulent structures in the torsatron TJ-K'', Phys. Plasmas '''12''', 032504 (2005)]]</ref>
	<ref>[[doi:10.1088/0741-3335/47/4/001\|N Mahdizadeh, F Greiner, M Ramisch, U Stroth, W Guttenfelder, C Lechte and K Rahbarnia, ''Comparison of Langmuir and emissive probes as diagnostics for turbulence studies in the low-temperature plasma of the torsatron TJ-K'', Plasma Phys. Control. Fusion 47 (2005) 569]]</ref>		<ref>[[doi:10.1088/0741-3335/47/4/001\|N. Mahdizadeh, F. Greiner, M. Ramisch, U. Stroth, W. Guttenfelder, C. Lechte and K. Rahbarnia, ''Comparison of Langmuir and emissive probes as diagnostics for turbulence studies in the low-temperature plasma of the torsatron TJ-K'', Plasma Phys. Control. Fusion '''47''' (2005) 569]]</ref>
	<ref>[[doi:10.1088/0741-3335/49/6/006\|M Ramisch, F Greiner, N Mahdizadeh, K Rahbarnia and U Stroth, ''Observation of large-scale coherent structures under strong E × B shear in the torsatron TJ-K'', Plasma Phys. Control. Fusion 49 (2007) 777]]</ref>		<ref>[[doi:10.1088/0741-3335/49/6/006\|M. Ramisch, F. Greiner, N. Mahdizadeh, K. Rahbarnia and U. Stroth, ''Observation of large-scale coherent structures under strong E × B shear in the torsatron TJ-K'', Plasma Phys. Control. Fusion '''49''' (2007) 777]]</ref>
	<ref>[[doi:10.1088/0741-3335/49/7/005\|N Mahdizadeh, F Greiner, T Happel, A Kendl, M Ramisch, B D Scott and U Stroth, ''Investigation of the parallel dynamics of drift-wave turbulence in toroidal plasmas'', Plasma Phys. Control. Fusion 49 (2007) 1005]]</ref>		<ref>[[doi:10.1088/0741-3335/49/7/005\|N. Mahdizadeh, F. Greiner, T. Happel, A. Kendl, M. Ramisch, B.D. Scott and U. Stroth, ''Investigation of the parallel dynamics of drift-wave turbulence in toroidal plasmas'', Plasma Phys. Control. Fusion '''49''' (2007) 1005]]</ref>
	<ref>[[doi:10.1063/1.3114972\| P. Manz, M. Ramisch, and U. Stroth, ''Poloidal mode structure of long-distance correlation of fluctuations under strong E×B shear in the torsatron TJ-K'', Phys. Plasmas 16, 042309 (2009)]]</ref>		<ref>[[doi:10.1063/1.3114972\| P. Manz, M. Ramisch, and U. Stroth, ''Poloidal mode structure of long-distance correlation of fluctuations under strong E×B shear in the torsatron TJ-K'', Phys. Plasmas '''16''', 042309 (2009)]]</ref>
	<ref>[[doi:10.1103/PhysRevLett.103.165004\|P. Manz, M. Ramisch, and U. Stroth, ''Physical Mechanism behind Zonal-Flow Generation in Drift-Wave Turbulence'', Phys. Rev. Lett. 103, 165004 (2009)]]</ref>		<ref>[[doi:10.1103/PhysRevLett.103.165004\|P. Manz, M. Ramisch, and U. Stroth, ''Physical Mechanism behind Zonal-Flow Generation in Drift-Wave Turbulence'', Phys. Rev. Lett. '''103''', 165004 (2009)]]</ref>
	<ref>[[doi:10.1088/0741-3335/51/3/035008\|P Manz, M Ramisch and U Stroth, ''Experimental estimation of the dual cascade in two-dimensional drift-wave turbulence'', Plasma Phys. Control. Fusion 51 (2009) 035008]]</ref>		<ref>[[doi:10.1088/0741-3335/51/3/035008\|P. Manz, M. Ramisch and U. Stroth, ''Experimental estimation of the dual cascade in two-dimensional drift-wave turbulence'', Plasma Phys. Control. Fusion '''51''' (2009) 035008]]</ref>
	<ref>[[doi:10.1088/0741-3335/52/12/124015\|M Ramisch, P Manz, U Stroth, G Birkenmeier, S Enge, E Holzhauer, A Köhn and B Nold, ''Non-linear dynamics and plasma flows in a basic toroidal plasma experiment'', Plasma Phys. Control. Fusion 52 (2010) 124015]]</ref>		<ref>[[doi:10.1088/0741-3335/52/12/124015\|M. Ramisch, P. Manz, U. Stroth, G. Birkenmeier, S. Enge, E. Holzhauer, A. Köhn and B. Nold, ''Non-linear dynamics and plasma flows in a basic toroidal plasma experiment'', Plasma Phys. Control. Fusion '''52''' (2010) 124015]]</ref>
	<ref>[[doi:10.1088/0741-3335/52/3/035003\|A Köhn, G Birkenmeier, E Holzhauer, M Ramisch and U Stroth, ''Generation and heating of toroidally confined overdense plasmas with 2.45 GHz microwaves'', Plasma Phys. Control. Fusion 52 (2010) 035003]]</ref>		<ref>[[doi:10.1088/0741-3335/52/3/035003\|A. Köhn, G. Birkenmeier, E. Holzhauer, M. Ramisch and U. Stroth, ''Generation and heating of toroidally confined overdense plasmas with 2.45 GHz microwaves'', Plasma Phys. Control. Fusion '''52''' (2010) 035003]]</ref>
	<ref>[[doi:10.1103/PhysRevLett.105.175004\|S. Enge, G. Birkenmeier, P. Manz, M. Ramisch, and U. Stroth, ''Observation of Anomalous Ion Heating by Broadband Drift-Wave Turbulence'', Phys. Rev. Lett. 105, 175004 (2010)]]</ref>		<ref>[[doi:10.1103/PhysRevLett.105.175004\|S. Enge, G. Birkenmeier, P. Manz, M. Ramisch, and U. Stroth, ''Observation of Anomalous Ion Heating by Broadband Drift-Wave Turbulence'', Phys. Rev. Lett. '''105''', 175004 (2010)]]</ref>
	<ref>[[doi:10.1103/PhysRevE.82.056403\|P. Manz, M. Ramisch, and U. Stroth, ''Long-range correlations induced by the self-regulation of zonal flows and drift-wave turbulence'', Phys. Rev. E 82, 056403 (2010)]]</ref>		<ref>[[doi:10.1103/PhysRevE.82.056403\|P. Manz, M. Ramisch, and U. Stroth, ''Long-range correlations induced by the self-regulation of zonal flows and drift-wave turbulence'', Phys. Rev. E '''82''', 056403 (2010)]]</ref>
	<ref>[[doi:10.1103/PhysRevLett.107.025001\|G. Birkenmeier, M. Ramisch, P. Manz, B. Nold, and U. Stroth, ''Experimental Investigation of the Magnetic Configuration Dependence of Turbulent Transport'', Phys. Rev. Lett. 107, 025001 (2011)]]</ref>		<ref>[[doi:10.1103/PhysRevLett.107.025001\|G. Birkenmeier, M. Ramisch, P. Manz, B. Nold, and U. Stroth, ''Experimental Investigation of the Magnetic Configuration Dependence of Turbulent Transport'', Phys. Rev. Lett. '''107''', 025001 (2011)]]</ref>
	<ref>[[doi:10.1063/1.4748143\|P. Manz, G. Birkenmeier, M. Ramisch, and U. Stroth, ''A link between nonlinear self-organization and dissipation in drift-wave turbulence'', Phys. Plasmas 19, 082318 (2012)]]</ref>		<ref>[[doi:10.1063/1.4748143\|P. Manz, G. Birkenmeier, M. Ramisch, and U. Stroth, ''A link between nonlinear self-organization and dissipation in drift-wave turbulence'', Phys. Plasmas '''19''', 082318 (2012)]]</ref>
	<ref>[[doi:10.1103/PhysRevLett.110.145004\|G. Birkenmeier, M. Ramisch, B. Schmid, and U. Stroth, ''Experimental Evidence of Turbulent Transport Regulation by Zonal Flows'', Phys. Rev. Lett. 110, 145004 (2013)]]</ref>		<ref>[[doi:10.1103/PhysRevLett.110.145004\|G. Birkenmeier, M. Ramisch, B. Schmid, and U. Stroth, ''Experimental Evidence of Turbulent Transport Regulation by Zonal Flows'', Phys. Rev. Lett. '''110''', 145004 (2013)]]</ref>

	One of the remarkable diagnostics of TJ-K is a dense array of Langmuir probes, allowing detailed studies of turbulence.		One of the remarkable diagnostics of TJ-K is a dense array of Langmuir probes, allowing detailed studies of turbulence.