LNF:Plasma Physics - Revision history

Admin: /* Research summaries */

2025-02-01T08:30:47Z

Research summaries

← Older revision		Revision as of 10:30, 1 February 2025
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	* F. Castejón et al, ''3D effects on transport and plasma control in the TJ-II stellarator'', [[doi:10.1088/1741-4326/aa7691\|Nucl. Fusion, '''57''' (2017) 102022]].		* F. Castejón et al, ''3D effects on transport and plasma control in the TJ-II stellarator'', [[doi:10.1088/1741-4326/aa7691\|Nucl. Fusion, '''57''' (2017) 102022]].
	* E. Ascasíbar et al, ''Overview of recent TJ-II stellarator results'', [[doi:10.1088/1741-4326/ab205e\|Nucl. Fusion '''59''' (2019) 112019]]		* E. Ascasíbar et al, ''Overview of recent TJ-II stellarator results'', [[doi:10.1088/1741-4326/ab205e\|Nucl. Fusion '''59''' (2019) 112019]]
			* C. Hidalgo et al. ''Overview of the TJ-II stellarator research programme towards model validation in fusion plasmas'', [[doi:10.1088/1741-4326/ac2ca1\|Nucl. Fusion, '''62''' (2022) 042025]]
			* J.A. Alonso et al. ''Density profiles in stellarators: an overview of particle transport, fuelling and profile shaping studies at TJ-II'', [[doi:10.1088/1741-4326/ad67ef\|Nucl. Fusion '''64''' (2024) 112018]]

	== References ==		== References ==
	<references />		<references />

Admin: /* Research summaries */

2019-07-25T07:40:55Z

Research summaries

← Older revision		Revision as of 09:40, 25 July 2019
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	* J. Sánchez et al, ''Transport, stability and plasma control studies in the TJ-II stellarator'', [[doi:10.1088/0029-5515/55/10/104014\|Nucl. Fusion '''55''' (2015) 104014]]		* J. Sánchez et al, ''Transport, stability and plasma control studies in the TJ-II stellarator'', [[doi:10.1088/0029-5515/55/10/104014\|Nucl. Fusion '''55''' (2015) 104014]]
	* F. Castejón et al, ''3D effects on transport and plasma control in the TJ-II stellarator'', [[doi:10.1088/1741-4326/aa7691\|Nucl. Fusion, '''57''' (2017) 102022]].		* F. Castejón et al, ''3D effects on transport and plasma control in the TJ-II stellarator'', [[doi:10.1088/1741-4326/aa7691\|Nucl. Fusion, '''57''' (2017) 102022]].
			* E. Ascasíbar et al, ''Overview of recent TJ-II stellarator results'', [[doi:10.1088/1741-4326/ab205e\|Nucl. Fusion '''59''' (2019) 112019]]

	== References ==		== References ==
	<references />		<references />

Admin: /* Research summaries */

2018-10-25T10:45:04Z

Research summaries

← Older revision		Revision as of 12:45, 25 October 2018
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	* J. Sánchez et al, ''Dynamics of flows and confinement in the TJ-II stellarator'', [[doi:10.1088/0029-5515/53/10/104016\|Nucl. Fusion '''53''' (2013) 104016]]		* J. Sánchez et al, ''Dynamics of flows and confinement in the TJ-II stellarator'', [[doi:10.1088/0029-5515/53/10/104016\|Nucl. Fusion '''53''' (2013) 104016]]
	* J. Sánchez et al, ''Transport, stability and plasma control studies in the TJ-II stellarator'', [[doi:10.1088/0029-5515/55/10/104014\|Nucl. Fusion '''55''' (2015) 104014]]		* J. Sánchez et al, ''Transport, stability and plasma control studies in the TJ-II stellarator'', [[doi:10.1088/0029-5515/55/10/104014\|Nucl. Fusion '''55''' (2015) 104014]]
	* F. ~~Catejón~~ et al, ''3D effects on transport and plasma control in the TJ-II stellarator'', [[doi:10.1088/1741-4326/aa7691\|Nucl. Fusion, '''57''' (2017) 102022]].		* F. Castejón et al, ''3D effects on transport and plasma control in the TJ-II stellarator'', [[doi:10.1088/1741-4326/aa7691\|Nucl. Fusion, '''57''' (2017) 102022]].

	== References ==		== References ==
	<references />		<references />

Admin: /* Research summaries */

2018-10-25T10:44:36Z

Research summaries

← Older revision		Revision as of 12:44, 25 October 2018
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	* J. Sánchez et al, ''Dynamics of flows and confinement in the TJ-II stellarator'', [[doi:10.1088/0029-5515/53/10/104016\|Nucl. Fusion '''53''' (2013) 104016]]		* J. Sánchez et al, ''Dynamics of flows and confinement in the TJ-II stellarator'', [[doi:10.1088/0029-5515/53/10/104016\|Nucl. Fusion '''53''' (2013) 104016]]
	* J. Sánchez et al, ''Transport, stability and plasma control studies in the TJ-II stellarator'', [[doi:10.1088/0029-5515/55/10/104014\|Nucl. Fusion '''55''' (2015) 104014]]		* J. Sánchez et al, ''Transport, stability and plasma control studies in the TJ-II stellarator'', [[doi:10.1088/0029-5515/55/10/104014\|Nucl. Fusion '''55''' (2015) 104014]]
			* F. Catejón et al, ''3D effects on transport and plasma control in the TJ-II stellarator'', [[doi:10.1088/1741-4326/aa7691\|Nucl. Fusion, '''57''' (2017) 102022]].

	== References ==		== References ==
	<references />		<references />

Admin at 09:20, 3 April 2018

2018-04-03T09:20:21Z

← Older revision		Revision as of 11:20, 3 April 2018
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	Plasma Physics is the main research topic at the [[Laboratorio Nacional de Fusión]],		Plasma Physics is the main research topic at the [[Laboratorio Nacional de Fusión]],
	home of the [[TJ-II]] stellarator.		home of the [[TJ-II]] stellarator.


	== Research areas ==		== Research areas ==
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	* E. Ascasíbar et al, ''Overview of TJ-II flexible heliac results'', [[doi:10.1016/S0920-3796(01)00237-X\|Fusion Engineering and Design '''56-57''' (2001) 145-154]]		* E. Ascasíbar et al, ''Overview of TJ-II flexible heliac results'', [[doi:10.1016/S0920-3796(01)00237-X\|Fusion Engineering and Design '''56-57''' (2001) 145-154]]
	* E. Ascasíbar et al, ''Confinement and stability on the TJ-II stellarator'', [[doi:10.1088/0741-3335/44/12B/322\|Plasma Phys. Control. Fusion '''44''' (2002) B307-B322]]		* E. Ascasíbar et al, ''Confinement and stability on the TJ-II stellarator'', [[doi:10.1088/0741-3335/44/12B/322\|Plasma Phys. Control. Fusion '''44''' (2002) B307-B322]]
	* F. Castejón et al, ''Transport Properties in the TJ-II Flexible Heliac'', [~~http~~:~~//link~~.~~aip.org/link/?APCPCS/669/162~~/1 AIP Conf. Proc. '''669''' (2003) 162-165]		* F. Castejón et al, ''Transport Properties in the TJ-II Flexible Heliac'', [[doi:10.1063/1.1593891\|AIP Conf. Proc. '''669''' (2003) 162-165]]
	* C. Hidalgo et al, ''Overview of TJ-II experiments'', [[doi:10.1088/0029-5515/45/10/S22\|Nucl. Fusion '''45''' (2005) S266-S275]]		* C. Hidalgo et al, ''Overview of TJ-II experiments'', [[doi:10.1088/0029-5515/45/10/S22\|Nucl. Fusion '''45''' (2005) S266-S275]]
	* D. López-Bruna et al, ''Overview of TJ-II experiments'', [~~http~~:~~//link~~.~~aip.org/link/?APCPCS/875/357~~/1 AIP Conf. Proc. '''875''' (2006) 357-362]		* D. López-Bruna et al, ''Overview of TJ-II experiments'', [[doi:10.1063/1.2405965\|AIP Conf. Proc. '''875''' (2006) 357-362]]
	* J. Sánchez et al, ''Overview of TJ-II experiments'', [[doi:10.1088/0029-5515/47/10/S16\|Nucl. Fusion '''47''' (2007) S677-S685]]		* J. Sánchez et al, ''Overview of TJ-II experiments'', [[doi:10.1088/0029-5515/47/10/S16\|Nucl. Fusion '''47''' (2007) S677-S685]]
	* J. Sánchez et al, ''Overview of TJ-II experiments'', [http://www-pub.iaea.org/MTCD/Meetings/FEC2008/ov_4-5.pdf Proc. Fusion Energy Conf. (2008)]		* J. Sánchez et al, ''Overview of TJ-II experiments'', [http://www-pub.iaea.org/MTCD/Meetings/FEC2008/ov_4-5.pdf Proc. Fusion Energy Conf. (2008)]

Admin: /* Neoclassical transport in stellarators and design optimization */

2016-04-27T12:58:06Z

Neoclassical transport in stellarators and design optimization

← Older revision		Revision as of 14:58, 27 April 2016
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	''Challenges and opportunities''		''Challenges and opportunities''

	Stellarator inter-machine studies<ref>A. Dinklage et al., [[doi:10.1088/0029-5515/53/6/063022\|Nucl. Fusion '''53''' (2013) 063022]]</ref> have shown that ion energy transport significantly affects energy confinement at medium-to-high densities (<math>n_e > 4 x 10^{19} m^{-3}</math>).		Stellarator inter-machine studies<ref>A. Dinklage et al., [[doi:10.1088/0029-5515/53/6/063022\|Nucl. Fusion '''53''' (2013) 063022]]</ref> have shown that ion energy transport significantly affects energy confinement at medium-to-high densities (<math>n_e > 4 \cdot 10^{19} m^{-3}</math>).
	Since neoclassical transport in three-dimensional devices shows unfavourable temperature scaling, it becomes more important as the temperature is increased and the validation of local neoclassical theory at reactor-relevant conditions is needed. Extensions of the standard neoclassical theory are necessary for a better assessment of collisional transport in a stellarator reactor concept, such as non-local and non flux-surface based calculations.		Since neoclassical transport in three-dimensional devices shows unfavourable temperature scaling, it becomes more important as the temperature is increased and the validation of local neoclassical theory at reactor-relevant conditions is needed. Extensions of the standard neoclassical theory are necessary for a better assessment of collisional transport in a stellarator reactor concept, such as non-local and non flux-surface based calculations.

Admin: Linked references

2016-04-27T12:52:29Z

Linked references

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Admin at 12:21, 27 April 2016

2016-04-27T12:21:12Z

← Older revision		Revision as of 14:21, 27 April 2016
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	Understanding the physics of the isotope effect in plasma transport and confinement remains as a fundamental open question confronting the fusion community since more than 30 years of intense research with direct impact in the confinement properties of fusion D-T reactors.		Understanding the physics of the isotope effect in plasma transport and confinement remains as a fundamental open question confronting the fusion community since more than 30 years of intense research with direct impact in the confinement properties of fusion D-T reactors.

	Furthermore, considering the present ITER power capabilities, a reduction of the L-H power threshold ($P_{L-H}$) with ion mass (D vs. H) would have great impact on ITER plasma operation scenarios.		Furthermore, considering the present ITER power capabilities, a reduction of the L-H power threshold (<math>P_{L-H}</math>) with ion mass (D vs. H) would have great impact on ITER plasma operation scenarios.
	The $P_{L-H}$ power threshold deduced from empirical scaling laws is sufficient to define the minimum power required for ITER operation.		The <math>P_{L-H}</math> power threshold deduced from empirical scaling laws is sufficient to define the minimum power required for ITER operation.
	Experimental studies have shown a reduction of the L-H power threshold by about 50% when using Deuterium and He instead of Hydrogen.<ref>F. Ryter et al., 2013 Nuclear Fusion 53 (2012) 113003 </ref>		Experimental studies have shown a reduction of the L-H power threshold by about 50% when using Deuterium and He instead of Hydrogen.<ref>F. Ryter et al., 2013 Nuclear Fusion 53 (2012) 113003 </ref>
	Based on present ITPA scaling laws, H-mode operation is expected to be marginally feasible in H but likely in He.<ref>A. Sips et al., 25th IAEA Int. Conf. on Fusion Energy St Petersburg 2014 / EX/9-1. </ref>		Based on present ITPA scaling laws, H-mode operation is expected to be marginally feasible in H but likely in He.<ref>A. Sips et al., 25th IAEA Int. Conf. on Fusion Energy St Petersburg 2014 / EX/9-1. </ref>
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	''Challenges and opportunities''		''Challenges and opportunities''

	Stellarator inter-machine studies<ref>A. Dinklage et al., Nucl. Fusion 53 (2013) 063022</ref> have shown that ion energy transport significantly affects energy confinement at medium-to-high densities ($n_e > 4 x 10^{19} m^{-3}$).		Stellarator inter-machine studies<ref>A. Dinklage et al., Nucl. Fusion 53 (2013) 063022</ref> have shown that ion energy transport significantly affects energy confinement at medium-to-high densities (<math>n_e > 4 x 10^{19} m^{-3}</math>).
	Since neoclassical transport in three-dimensional devices shows unfavourable temperature scaling, it becomes more important as the temperature is increased and the validation of local neoclassical theory at reactor-relevant conditions is needed. Extensions of the standard neoclassical theory are necessary for a better assessment of collisional transport in a stellarator reactor concept, such as non-local and non flux-surface based calculations.		Since neoclassical transport in three-dimensional devices shows unfavourable temperature scaling, it becomes more important as the temperature is increased and the validation of local neoclassical theory at reactor-relevant conditions is needed. Extensions of the standard neoclassical theory are necessary for a better assessment of collisional transport in a stellarator reactor concept, such as non-local and non flux-surface based calculations.

Admin at 12:19, 27 April 2016

2016-04-27T12:19:50Z

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Admin: /* Research topics */

2016-04-27T10:39:15Z

Research topics

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