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Certain safety factor - Revision history
2026-05-30T04:17:21Z
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 16:56, 17 March 2013</td>
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<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">Golda is what</del>'<del style="font-weight: bold; text-decoration: none;">s created on my beginning certificate even psychic phone </del>(<del style="font-weight: bold; text-decoration: none;">[http:</del>/<del style="font-weight: bold; text-decoration: none;">/203.250.78.160/zbxe/?document_srl=1792908 203.250.78.160]</del>) <del style="font-weight: bold; text-decoration: none;">though it </del>is <del style="font-weight: bold; text-decoration: none;">not </del>the <del style="font-weight: bold; text-decoration: none;">name on my beginning certification. Since I was 18 I've been working as </del>a <del style="font-weight: bold; text-decoration: none;">bookkeeper but quickly my spouse and I will start our own business</del>. <del style="font-weight: bold; text-decoration: none;">My spouse and I reside in Mississippi but now I'm considering other choices. Playing badminton is a </del> [<del style="font-weight: bold; text-decoration: none;">http</del>://<del style="font-weight: bold; text-decoration: none;">www.publicpledge.com</del>/<del style="font-weight: bold; text-decoration: none;">blogs</del>/<del style="font-weight: bold; text-decoration: none;">post</del>/<del style="font-weight: bold; text-decoration: none;">7034 phone psychic readings</del>] <del style="font-weight: bold; text-decoration: none;">factor that he </del>is <del style="font-weight: bold; text-decoration: none;">completely addicted to</del>.<<del style="font-weight: bold; text-decoration: none;">br</del>><<del style="font-weight: bold; text-decoration: none;">br</del>><del style="font-weight: bold; text-decoration: none;">My web site </del>..<del style="font-weight: bold; text-decoration: none;">. love psychics (</del>[http://<del style="font-weight: bold; text-decoration: none;">cartoonkorea</del>.<del style="font-weight: bold; text-decoration: none;">com</del>/<del style="font-weight: bold; text-decoration: none;">ce002</del>/<del style="font-weight: bold; text-decoration: none;">1093612 cartoonkorea</del>.<del style="font-weight: bold; text-decoration: none;">com</del>]<del style="font-weight: bold; text-decoration: none;">)</del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">In [[plasma physics]], the '''Lundquist number''</ins>' (<ins style="font-weight: bold; text-decoration: none;">denoted by <math>S<</ins>/<ins style="font-weight: bold; text-decoration: none;">math></ins>) is the <ins style="font-weight: bold; text-decoration: none;">[[dimensionless]] ratio of an [[Alfvén wave]] crossing timescale to </ins>a <ins style="font-weight: bold; text-decoration: none;">resistive diffusion timescale</ins>. <ins style="font-weight: bold; text-decoration: none;">In </ins>[<ins style="font-weight: bold; text-decoration: none;">[SI units]], it is given by</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>:<ins style="font-weight: bold; text-decoration: none;"><math>S = \frac{\mu_0LV_A}{\eta} ,<</ins>/<ins style="font-weight: bold; text-decoration: none;">math></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">where <math>L<</ins>/<ins style="font-weight: bold; text-decoration: none;">math> is a typical length scale, <math>\mu_0<</ins>/<ins style="font-weight: bold; text-decoration: none;">math> is the [[Magnetic constant|permeability of free space]], <math>V_A=\frac{B}{\sqrt{\mu_0 n_0 m_i}}<</ins>/<ins style="font-weight: bold; text-decoration: none;">math> is the [[Alfvén wave|Alfvén speed]] for a plasma with [[magnetic field]] <math>B</math>, [[density]] <math>n_0<</ins>/<ins style="font-weight: bold; text-decoration: none;">math>, [[ion]] [[mass]</ins>] <ins style="font-weight: bold; text-decoration: none;"><math>m_i</math> and <math>\eta</math> </ins>is <ins style="font-weight: bold; text-decoration: none;">the plasma [[resistivity]]. High Lundquist numbers indicate highly conducting plasmas, while low Lundquist numbers indicate more resistive plasmas</ins>. <ins style="font-weight: bold; text-decoration: none;"> Laboratory plasma experiments typically have Lundquist numbers between <math>10^2-10^8</ins><<ins style="font-weight: bold; text-decoration: none;">/math</ins>><ins style="font-weight: bold; text-decoration: none;">, while in astrophysical situations the Lundquist number can be greater than </ins><<ins style="font-weight: bold; text-decoration: none;">math>10^{20}</math</ins>>. <ins style="font-weight: bold; text-decoration: none;"> Considerations of Lundquist number are especially important in [[magnetic reconnection]]</ins>.</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">==See also==</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* [</ins>[<ins style="font-weight: bold; text-decoration: none;">Magnetic Reynolds number]]</ins></div></td></tr>
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<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">==References==</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*{{Citation |first=Eric |last=Priest |first2=Terry |last2=Forbes |title=Magnetic Reconnection |publisher=Cambridge University Press |year=2000 |isbn=0-521-48179-1 |url=</ins>http://<ins style="font-weight: bold; text-decoration: none;">assets</ins>.<ins style="font-weight: bold; text-decoration: none;">cambridge.org</ins>/<ins style="font-weight: bold; text-decoration: none;">0521481791</ins>/<ins style="font-weight: bold; text-decoration: none;">sample/0521481791WSN01</ins>.<ins style="font-weight: bold; text-decoration: none;">pdf }}</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[Category:Plasma physics]</ins>]</div></td></tr>
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2011-12-09T21:26:14Z
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