Scrape-Off Layer - Revision history

Admin at 11:01, 5 September 2011

2011-09-05T11:01:39Z

← Older revision		Revision as of 13:01, 5 September 2011
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	Typically, the density decays exponentially away from the LCFS.		Typically, the density decays exponentially away from the LCFS.
	This does not mean that the detailed transport is easy to understand or model: intermittency is very strong in the SOL region.		This does not mean that the detailed transport is easy to understand or model: intermittency is very strong in the SOL region.
	<ref>[~~http~~:~~//dx.doi.org/~~10.1016/S0375-9601(01)00252-3 S.I. Krasheninnikov, ''On scrape off layer plasma transport'', Phys. Lett. A, '''283''', 5-6 (2001) 368]</ref>		<ref>[[doi:10.1016/S0375-9601(01)00252-3\|S.I. Krasheninnikov, ''On scrape off layer plasma transport'', Phys. Lett. A, '''283''', 5-6 (2001) 368]]</ref>
	<ref>[http://onlinelibrary.wiley.com/doi/10.1002/ctpp.200410030/abstract D.A. D'Ippolito et al, ''Blob Transport in the Tokamak Scrape-off-Layer'', Contrib. Plasma Phys, '''44''', 1-3 (2004) 205]</ref>		<ref>[http://onlinelibrary.wiley.com/doi/10.1002/ctpp.200410030/abstract D.A. D'Ippolito et al, ''Blob Transport in the Tokamak Scrape-off-Layer'', Contrib. Plasma Phys, '''44''', 1-3 (2004) 205]</ref>
	<ref>[~~http~~:~~//dx.doi.org/~~10.1088/0029-5515/47/6/S04 A. Loarte et al, ''Chapter 4: Power and particle control'', Nucl. Fusion '''47''' (2007) S203]</ref>		<ref>[[doi:10.1088/0029-5515/47/6/S04\|A. Loarte et al, ''Chapter 4: Power and particle control'', Nucl. Fusion '''47''' (2007) S203]]</ref>
			<ref>[[doi:10.1017/S0022377807006940\|S.I. Krasheninnikov et al., ''Recent theoretical progress in understanding coherent structures in edge and SOL turbulence'', J. Plasma Phys. '''74''' (2008) 679]]</ref>

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

Admin at 10:05, 10 July 2011

2011-07-10T10:05:44Z

← Older revision		Revision as of 12:05, 10 July 2011
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	<ref>[http://dx.doi.org/10.1016/S0375-9601(01)00252-3 S.I. Krasheninnikov, ''On scrape off layer plasma transport'', Phys. Lett. A, '''283''', 5-6 (2001) 368]</ref>		<ref>[http://dx.doi.org/10.1016/S0375-9601(01)00252-3 S.I. Krasheninnikov, ''On scrape off layer plasma transport'', Phys. Lett. A, '''283''', 5-6 (2001) 368]</ref>
	<ref>[http://onlinelibrary.wiley.com/doi/10.1002/ctpp.200410030/abstract D.A. D'Ippolito et al, ''Blob Transport in the Tokamak Scrape-off-Layer'', Contrib. Plasma Phys, '''44''', 1-3 (2004) 205]</ref>		<ref>[http://onlinelibrary.wiley.com/doi/10.1002/ctpp.200410030/abstract D.A. D'Ippolito et al, ''Blob Transport in the Tokamak Scrape-off-Layer'', Contrib. Plasma Phys, '''44''', 1-3 (2004) 205]</ref>
			<ref>[http://dx.doi.org/10.1088/0029-5515/47/6/S04 A. Loarte et al, ''Chapter 4: Power and particle control'', Nucl. Fusion '''47''' (2007) S203]</ref>

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

Admin at 06:00, 10 July 2011

2011-07-10T06:00:34Z

← Older revision		Revision as of 08:00, 10 July 2011
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	The term Scrape-Off Layer (SOL) refers to the plasma region characterized by open field lines (commencing or ending on a material surface).		The term Scrape-Off Layer (SOL) refers to the plasma region characterized by open field lines (commencing or ending on a material surface).
	* With limiter plasmas, this region is the region outside the Last Closed [[Flux surface\|Flux Surface]].		* With limiter plasmas, this region is the region outside the Last Closed [[Flux surface\|Flux Surface]] (LCFS).
	* With [[Divertor\|divertor]] plasmas, this region is the region outside the [[Separatrix\|separatrix]].		* With [[Divertor\|divertor]] plasmas, this region is the region outside the [[Separatrix\|separatrix]].
	Transport in the SOL is very different from transport in the confined plasma due to the open field lines: ~~basically,~~ it is ~~more~~ convective ~~and less~~ diffusive.		In divertor plasmas, the SOL absorbs most of the plasma exhaust (particles and heat) and transports it along the field lines to the divertor plates.
			Hence, this region is of prime importance for future reactors.

			Transport in the SOL is very different from transport in the confined plasma due to the open field lines: it is predominantly convective (rather than diffusive).
			Typically, the density decays exponentially away from the LCFS.
			This does not mean that the detailed transport is easy to understand or model: intermittency is very strong in the SOL region.
	<ref>[http://dx.doi.org/10.1016/S0375-9601(01)00252-3 S.I. Krasheninnikov, ''On scrape off layer plasma transport'', Phys. Lett. A, '''283''', 5-6 (2001) 368]</ref>		<ref>[http://dx.doi.org/10.1016/S0375-9601(01)00252-3 S.I. Krasheninnikov, ''On scrape off layer plasma transport'', Phys. Lett. A, '''283''', 5-6 (2001) 368]</ref>
	<ref>[http://onlinelibrary.wiley.com/doi/10.1002/ctpp.200410030/abstract D.A. D'Ippolito et al, ''Blob Transport in the Tokamak Scrape-off-Layer'', Contrib. Plasma Phys, '''44''', 1-3 (2004) 205]</ref>		<ref>[http://onlinelibrary.wiley.com/doi/10.1002/ctpp.200410030/abstract D.A. D'Ippolito et al, ''Blob Transport in the Tokamak Scrape-off-Layer'', Contrib. Plasma Phys, '''44''', 1-3 (2004) 205]</ref>
	~~This does not mean that it is easy to understand or model: intermittency is very strong in the SOL region.~~

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

Admin: Created page with 'The term Scrape-Off Layer (SOL) refers to the plasma region characterized by open field lines (commencing or ending on a material surface). * With limiter plasmas, this region is…'

2011-07-09T14:19:34Z

Created page with 'The term Scrape-Off Layer (SOL) refers to the plasma region characterized by open field lines (commencing or ending on a material surface). * With limiter plasmas, this region is…'

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The term Scrape-Off Layer (SOL) refers to the plasma region characterized by open field lines (commencing or ending on a material surface).
* With limiter plasmas, this region is the region outside the Last Closed [[Flux surface|Flux Surface]].
* With [[Divertor|divertor]] plasmas, this region is the region outside the [[Separatrix|separatrix]].
Transport in the SOL is very different from transport in the confined plasma due to the open field lines: basically, it is more convective and less diffusive.
<ref>[http://dx.doi.org/10.1016/S0375-9601(01)00252-3 S.I. Krasheninnikov, ''On scrape off layer plasma transport'', Phys. Lett. A, '''283''', 5-6 (2001) 368]</ref>
<ref>[http://onlinelibrary.wiley.com/doi/10.1002/ctpp.200410030/abstract D.A. D'Ippolito et al, ''Blob Transport in the Tokamak Scrape-off-Layer'', Contrib. Plasma Phys, '''44''', 1-3 (2004) 205]</ref>
This does not mean that it is easy to understand or model: intermittency is very strong in the SOL region.

== References ==
<references />