Talk:Edge-localized mode

References / Citations?

Is it preferable to call the footnotes section References or Citations? I've called it references, but don't know if there's a preferred format. I've cleaned up the formatting and used the standard footnote tags. Made References its own section header, etc. No other changes aside from converting to preferred use of reference tags. Mgmirkin 15:08, 25 July 2007 (UTC)

Expand stub

Article still needs fleshing out, however. So if someone could help expand the stub, that would be great. It's an interesting topic! Mgmirkin 15:08, 25 July 2007 (UTC)

ELM problem tackled in fusion research?

Nuclear fusion plasma problem tackled

• Researchers at General Atomics, a company based in San Diego, California, US, discovered a simple way to prevent ELMs from occurring. By using a separate magnetic coil to induce small perturbations in the reactor's main magnetic field, they found they could bleed off enough of the plasma particles to prevent the ELMs from bursting out.
• "We were very pleased to find out that we can actually use fairly small currents in these coils to completely prevent ELMs," says Todd Evans, a plasma physicist with the company. "We can eliminate them completely."

Perhaps this can be added to the article? New Scientist is relatively non-controversial as a source. Mgmirkin (talk) 17:54, 15 August 2008 (UTC)

and also maybe : 2015 progress in controlling ELMs [1] using a higher mode - Rod57 (talk) 09:39, 10 April 2018 (UTC)

ELMs like solar flares?

Solar flare 'reproduced' in lab

• The scientists were interested in a phenomenon called edge-localised modes (ELM) - a particular instability that can form in a plasma.
• Understanding ELMs is important for the design of future fusion reactors.
• The researchers believe that when the plasma reaches a certain critical instability, ELMs form.
• They also realised that ELMs, like solar flares, are explosive events, which can eject particles and energy.
• The filaments immediately reminded them of the huge plasma structures that loop over the Sun's surface.
• Culham's Andrew Kirk said: "The similarities were striking. They looked like the filaments seen in detailed images of the Sun."

Should this anecdotal link between ELMs and impulsive solar events also be included in the article? Mgmirkin (talk) 17:59, 15 August 2008 (UTC)

Cleanup?

The 'Impact' section seems way too conversational for an encyclopedia article. Need cleanup.

Examples:

• ...these instabilities can damage parts of the tokamak exposed to their extremely (high pressure, high energy, and temperature)? (believe divertors to be damaged parts, but not sure what diverters do?)...
• A paper was recently published that suggested a novel method of countering this phenomenon by injecting (electrical? electromagnetic?) noisy energy into the containment field as a containment-stabilization regime; apparently, this decreases ELM succeptability.

A few typos as well... Mgmirkin (talk) 18:01, 15 August 2008 (UTC)

• Added a cleanup tag to that section. Mgmirkin (talk) 18:07, 15 August 2008 (UTC)

Physics of ELMs

• The Physics of Edge Localised Modes (ELMs)

Hope this helps improve the article... Mgmirkin (talk) 20:06, 15 August 2008 (UTC)

That link is now dead, but Overview of Edge Localized Modes Control in Tokamak Plasmas looks useful. Also The physics of edge localized modes (ELMs) and their role in power and particle exhaust has a useful brief abstract. - Rod57 (talk) 12:21, 6 December 2015 (UTC)

Orphan tag

Removing 'Orphan tag' based on the number of articles now linked here. Chuckiesdad (talk) 05:07, 19 October 2008 (UTC)

Adding MHD link for Readability

Before I edited the article, the term "MHD" appeared without any explanation. Perhaps among experts in the subject, MHD is a common term. Being an amateur physics enthusiast, I would like MHD to be spelled out as with "magnetohydrodynamics (MHD)" or at the very least " MHD" for readability. I will take the liberty of making the appropriate change to the article. Feel free to change it back, but then please leave an explanation here. I acknowledge that some articles like quantum mechanics or Banach–Tarski_paradox could become unreadable if every single specialized term were hyperlinked, but this article is a stub and so I think this criterion does not apply. - Bitcrumbtrail (talk) 19:27, 17 May 2011 (UTC)

New Research

I came across this article that perhaps should be incorporated into this page. Baccala@freesoft.org (talk) 20:17, 19 May 2014 (UTC)

Yes - Basically 'Fusion reactor wall manages unexpected shielding against extreme heat loads' says Tungsten can release hydrogen to halve energy absorbed. - Rod57 (talk) 12:33, 6 December 2015 (UTC)

How fast, how frequent

article does not say. - Rod57 (talk) 12:13, 6 December 2015 (UTC)

Simulations 2017 - edge current sheet

Could mention/use [2] Using NIMROD code "The model demonstrates that ELMs can form when a steep gradient of current exists at the plasma edge. The gradient develops when the plasma moves suddenly up or down, creating a bump in the current and forming an edge current sheet. The instability then forms a current-carrying filament that moves around the tokamak, producing electrical fields that interfere with the currents that caused the ELMs to form. With the original currents disrupted, the ELM dies." - Rod57 (talk) 09:36, 10 April 2018 (UTC)