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		<id>http://wiki.karljones.com/index.php?action=history&amp;feed=atom&amp;title=Knudsen_number</id>
		<title>Knudsen number - Revision history</title>
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		<updated>2026-10-23T17:52:59Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>http://wiki.karljones.com/index.php?title=Knudsen_number&amp;diff=13444&amp;oldid=prev</id>
		<title>Karl Jones at 11:11, 25 April 2016</title>
		<link rel="alternate" type="text/html" href="http://wiki.karljones.com/index.php?title=Knudsen_number&amp;diff=13444&amp;oldid=prev"/>
				<updated>2016-04-25T11:11:14Z</updated>
		
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				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 11:11, 25 April 2016&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 15:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 15:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* [https://en.wikipedia.org/wiki/Knudsen_number Knudsen number] @ Wikipedia&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* [https://en.wikipedia.org/wiki/Knudsen_number Knudsen number] @ Wikipedia&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; 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;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; 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;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Category:Numbers]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; 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;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Category:Physics]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
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		<author><name>Karl Jones</name></author>	</entry>

	<entry>
		<id>http://wiki.karljones.com/index.php?title=Knudsen_number&amp;diff=7800&amp;oldid=prev</id>
		<title>Karl Jones: Created page with &quot;The '''Knudsen number''' ('''Kn''') is a dimensionless number defined as the ratio of the molecular mean free path length to a representative ph...&quot;</title>
		<link rel="alternate" type="text/html" href="http://wiki.karljones.com/index.php?title=Knudsen_number&amp;diff=7800&amp;oldid=prev"/>
				<updated>2016-02-08T12:18:54Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;The &amp;#039;&amp;#039;&amp;#039;Knudsen number&amp;#039;&amp;#039;&amp;#039; (&amp;#039;&amp;#039;&amp;#039;Kn&amp;#039;&amp;#039;&amp;#039;) is a &lt;a href=&quot;/index.php/Dimensionless_quantity&quot; title=&quot;Dimensionless quantity&quot;&gt;dimensionless number&lt;/a&gt; defined as the ratio of the molecular &lt;a href=&quot;/index.php/Mean_free_path&quot; title=&quot;Mean free path&quot;&gt;mean free path&lt;/a&gt; length to a representative ph...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;The '''Knudsen number''' ('''Kn''') is a [[Dimensionless quantity|dimensionless number]] defined as the ratio of the molecular [[mean free path]] length to a representative physical length [[Scale (ratio)|scale]].&lt;br /&gt;
&lt;br /&gt;
This length scale could be, for example, the [[radius]] of a [[body]] in a [[fluid]].&lt;br /&gt;
&lt;br /&gt;
The number is named after Danish physicist [[Martin Knudsen]] (1871–1949).&lt;br /&gt;
&lt;br /&gt;
== See also ==&lt;br /&gt;
&lt;br /&gt;
* [[Dimensionless quantity]]&lt;br /&gt;
* [[Mean free path]]&lt;br /&gt;
* [[Physics]]&lt;br /&gt;
* [[Scale (ratio)]]&lt;br /&gt;
&lt;br /&gt;
== External links ==&lt;br /&gt;
&lt;br /&gt;
* [https://en.wikipedia.org/wiki/Knudsen_number Knudsen number] @ Wikipedia&lt;/div&gt;</summary>
		<author><name>Karl Jones</name></author>	</entry>

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