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<?xml-stylesheet type="text/xsl" href="https://communities.bentley.com/cfs-file/__key/system/syndication/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/"><channel><title>33. How is shell length for heat exchanger determined in AutoPIPE Vessel?</title><link>https://communities.bentley.com/products/pipe_stress_analysis/w/pipe_stress_analysis__wiki/51111/33-how-is-shell-length-for-heat-exchanger-determined-in-autopipe-vessel</link><description /><dc:language>en-US</dc:language><generator>Telligent Community 12</generator><item><title>33. How is shell length for heat exchanger determined in AutoPIPE Vessel?</title><link>https://communities.bentley.com/products/pipe_stress_analysis/w/pipe_stress_analysis__wiki/51111/33-how-is-shell-length-for-heat-exchanger-determined-in-autopipe-vessel</link><pubDate>Mon, 24 Aug 2020 17:00:56 GMT</pubDate><guid isPermaLink="false">6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:ec2e3037-bfc6-4691-83c6-88f0a6456692</guid><dc:creator>JamieP</dc:creator><comments>https://communities.bentley.com/products/pipe_stress_analysis/w/pipe_stress_analysis__wiki/51111/33-how-is-shell-length-for-heat-exchanger-determined-in-autopipe-vessel#comments</comments><description>Current Revision posted to AutoPIPE Wiki by JamieP on 8/24/2020 5:00:56 PM&lt;br /&gt;
&lt;p&gt;&lt;span style="font-size:150%;"&gt;&lt;strong&gt;&lt;span style="background-color:#008000;color:#ffffff;font-family:&amp;#39;Times New Roman&amp;#39;;"&gt;&lt;span style="font-size:x-large;"&gt;Answer:&lt;/span&gt;&lt;/span&gt;&lt;/strong&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-family:&amp;#39;times new roman&amp;#39;, times;"&gt;&lt;span style="color:#008000;font-size:inherit;"&gt;Shell length in &lt;/span&gt;&lt;span style="color:#008000;"&gt;the heat&lt;/span&gt;&lt;span style="color:#008000;font-size:inherit;"&gt; exchanger is derived from the tube length value entered in the Bundle tab in Shell and Tube Heat Exchanger Properties dialog box.&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;Consider the following example.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;For the BEU type exchanger, the entered value of tube length is 2800 mm&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&lt;img alt=" " src="/resized-image/__size/320x240/__key/communityserver-wikis-components-files/00-00-00-00-41/pastedimage1598288388819v1.jpeg" /&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;The value of shell length is kept blank:&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&amp;nbsp;&lt;img alt=" " src="/resized-image/__size/320x240/__key/communityserver-wikis-components-files/00-00-00-00-41/pastedimage1598288388822v2.jpeg" /&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;The user can specify a value of the shell but it is not necessary as software calculates it. However please make sure that the shell length is consistent.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;The tube length field is mandatory and a value must be entered.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;The length of the tube (2800 mm) is only the length of the straight portion of the tube.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;The length of the shell is calculated by the program by taking into account many parameters as per the following:&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&lt;span style="color:#000000;"&gt;1.&lt;/span&gt;The length of the bend portion of the tube, the largest U-Tube centerline is aligned with the tangent line&lt;/span&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&amp;nbsp;&lt;/span&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&lt;img alt=" " src="/resized-image/__size/320x240/__key/communityserver-wikis-components-files/00-00-00-00-41/pastedimage1598288388831v3.jpeg" /&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&lt;span style="color:#000000;"&gt;2.&lt;/span&gt;The straight length of the tube (2800 mm in this case)&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&lt;span style="color:#000000;"&gt;3.&lt;/span&gt;The length of the body flange and flange gasket assembly&lt;/span&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&lt;img alt=" " src="/resized-image/__size/320x240/__key/communityserver-wikis-components-files/00-00-00-00-41/pastedimage1598288388832v4.jpeg" /&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&lt;span style="color:#000000;"&gt;4&lt;/span&gt;.The gasket thickness&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;"&gt;&lt;span style="font-size:inherit;"&gt;&lt;span style="color:#000000;"&gt;5&lt;/span&gt;.The &lt;/span&gt;tubesheet&lt;span style="font-size:inherit;"&gt; thickness, and how it is assembled with the flange&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;"&gt;&lt;span style="font-size:inherit;"&gt;&lt;img alt=" " src="/resized-image/__size/320x240/__key/communityserver-wikis-components-files/00-00-00-00-41/pastedimage1598288388833v5.jpeg" /&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;"&gt;&lt;span style="font-size:inherit;"&gt;&lt;span style="color:#000000;"&gt;6.&amp;nbsp;&lt;/span&gt;The tube extension, as specified in the &lt;/span&gt;tubesheet&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;"&gt;&lt;img alt=" " src="/resized-image/__size/320x240/__key/communityserver-wikis-components-files/00-00-00-00-41/pastedimage1598288388835v6.jpeg" /&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&amp;nbsp;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;After factoring all these the length of the shell is calculated as 2876 mm in this case&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&amp;nbsp;&lt;img alt=" " src="/resized-image/__size/320x240/__key/communityserver-wikis-components-files/00-00-00-00-41/pastedimage1598288388836v7.jpeg" /&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&amp;nbsp;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;Following is the explanation of the shell length calculations:&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;Refer to the 2d sketch generated:&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;img alt=" " src="/resized-image/__size/320x240/__key/communityserver-wikis-components-files/00-00-00-00-41/pastedimage1598288388836v8.jpeg" /&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;The calculations of the shell length explained below:&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;Obtain the largest bend radius from bend summary in the design report, 342.5 mm in this case:&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&lt;img alt=" " src="/resized-image/__size/320x240/__key/communityserver-wikis-components-files/00-00-00-00-41/pastedimage1598288388838v9.jpeg" /&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;As mentioned above the centerline of the tube aligns with the vessel reference tangent line.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;Now refer to the calculations below for shell length:&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&lt;img alt=" " src="/resized-image/__size/320x240/__key/communityserver-wikis-components-files/00-00-00-00-41/pastedimage1598288388840v10.jpeg" /&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-family:&amp;#39;times new roman&amp;#39;, times;"&gt;&lt;span style="color:#008000;font-size:inherit;"&gt;To understand how the calculated value of 213 is determined &lt;/span&gt;&lt;span style="color:#008000;"&gt;refer&lt;span style="font-size:inherit;"&gt; to the &lt;/span&gt;tube sheet&lt;span style="font-size:inherit;"&gt; geometry, machined ext. and tube extension, gasket thickness, flange, &lt;/span&gt;tubesheet&lt;span style="font-size:inherit;"&gt; thickness etc.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;"&gt;&lt;span style="font-size:inherit;"&gt;The value of 2876.5 matches &lt;/span&gt;with&lt;span style="font-size:inherit;"&gt; the value in geometry list (rounded-off to 2876)&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;"&gt;&lt;span style="font-size:inherit;"&gt;&lt;img alt=" " src="/resized-image/__size/320x240/__key/communityserver-wikis-components-files/00-00-00-00-41/pastedimage1598288388840v11.jpeg" /&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:inherit;"&gt;&amp;nbsp;&lt;/span&gt;&lt;/p&gt;
&lt;h1&gt;See Also&lt;/h1&gt;
&lt;p style="padding-left:30px;"&gt;&lt;span style="color:#3366ff;"&gt;&lt;strong&gt;&lt;a title="Bentley AutoPIPE Vessel" href="/products/pipe_stress_analysis/w/pipe_stress_analysis__wiki/bentley-autopipe-vessel.aspx"&gt;Bentley AutoPIPE Vessel&lt;/a&gt;&lt;/strong&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style="padding-left:30px;"&gt;&lt;a href="http://selectservices.bentley.com/en-US/"&gt;Bentley Select Services Technical Support webpage:&lt;/a&gt;&lt;/p&gt;
&lt;h1&gt;&lt;img alt=" " src="/resized-image/__size/320x240/__key/communityserver-wikis-components-files/00-00-00-00-41/pastedimage1598288388841v12.png" /&gt;&lt;/h1&gt;
&lt;p&gt;the &amp;quot;Comments&amp;quot; area below. THANK YOU!&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;
</description></item><item><title>33. How is shell length for heat exchanger determined in AutoPIPE Vessel?</title><link>https://communities.bentley.com/products/pipe_stress_analysis/w/pipe_stress_analysis__wiki/51111/33-how-is-shell-length-for-heat-exchanger-determined-in-autopipe-vessel/revision/1</link><pubDate>Mon, 24 Aug 2020 16:59:22 GMT</pubDate><guid isPermaLink="false">6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:ec2e3037-bfc6-4691-83c6-88f0a6456692</guid><dc:creator>JamieP</dc:creator><comments>https://communities.bentley.com/products/pipe_stress_analysis/w/pipe_stress_analysis__wiki/51111/33-how-is-shell-length-for-heat-exchanger-determined-in-autopipe-vessel#comments</comments><description>Revision 1 posted to AutoPIPE Wiki by JamieP on 8/24/2020 4:59:22 PM&lt;br /&gt;
&lt;p&gt;&lt;span style="font-size:150%;"&gt;&lt;strong&gt;&lt;span style="background-color:#008000;color:#ffffff;font-family:&amp;#39;Times New Roman&amp;#39;;"&gt;&lt;span style="font-size:x-large;"&gt;Answer:&lt;/span&gt;&lt;/span&gt;&lt;/strong&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-family:&amp;#39;times new roman&amp;#39;, times;"&gt;&lt;span style="color:#008000;font-size:inherit;"&gt;Shell length in &lt;/span&gt;&lt;span style="color:#008000;"&gt;the heat&lt;/span&gt;&lt;span style="color:#008000;font-size:inherit;"&gt; exchanger is derived from the tube length value entered in the Bundle tab in Shell and Tube Heat Exchanger Properties dialog box.&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;Consider the following example.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;For the BEU type exchanger, the entered value of tube length is 2800 mm&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&lt;img src="/resized-image/__size/320x240/__key/communityserver-wikis-components-files/00-00-00-00-41/pastedimage1598288388819v1.jpeg" alt=" " /&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;The value of shell length is kept blank:&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&amp;nbsp;&lt;img src="/resized-image/__size/320x240/__key/communityserver-wikis-components-files/00-00-00-00-41/pastedimage1598288388822v2.jpeg" alt=" " /&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;The user can specify a value of the shell but it is not necessary as software calculates it. However please make sure that the shell length is consistent.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;The tube length field is mandatory and a value must be entered.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;The length of the tube (2800 mm) is only the length of the straight portion of the tube.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;The length of the shell is calculated by the program by taking into account many parameters as per the following:&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&lt;span style="color:#000000;"&gt;1.&lt;/span&gt;The length of the bend portion of the tube, the largest U-Tube centerline is aligned with the tangent line&lt;/span&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&amp;nbsp;&lt;/span&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&lt;img src="/resized-image/__size/320x240/__key/communityserver-wikis-components-files/00-00-00-00-41/pastedimage1598288388831v3.jpeg" alt=" " /&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&lt;span style="color:#000000;"&gt;2.&lt;/span&gt;The straight length of the tube (2800 mm in this case)&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&lt;span style="color:#000000;"&gt;3.&lt;/span&gt;The length of the body flange and flange gasket assembly&lt;/span&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&lt;img src="/resized-image/__size/320x240/__key/communityserver-wikis-components-files/00-00-00-00-41/pastedimage1598288388832v4.jpeg" alt=" " /&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&lt;span style="color:#000000;"&gt;4&lt;/span&gt;.The gasket thickness&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;"&gt;&lt;span style="font-size:inherit;"&gt;&lt;span style="color:#000000;"&gt;5&lt;/span&gt;.The &lt;/span&gt;tubesheet&lt;span style="font-size:inherit;"&gt; thickness, and how it is assembled with the flange&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;"&gt;&lt;span style="font-size:inherit;"&gt;&lt;img src="/resized-image/__size/320x240/__key/communityserver-wikis-components-files/00-00-00-00-41/pastedimage1598288388833v5.jpeg" alt=" " /&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;"&gt;&lt;span style="font-size:inherit;"&gt;&lt;span style="color:#000000;"&gt;6.&amp;nbsp;&lt;/span&gt;The tube extension, as specified in the &lt;/span&gt;tubesheet&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;"&gt;&lt;img src="/resized-image/__size/320x240/__key/communityserver-wikis-components-files/00-00-00-00-41/pastedimage1598288388835v6.jpeg" alt=" " /&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&amp;nbsp;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;After factoring all these the length of the shell is calculated as 2876 mm in this case&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&amp;nbsp;&lt;img src="/resized-image/__size/320x240/__key/communityserver-wikis-components-files/00-00-00-00-41/pastedimage1598288388836v7.jpeg" alt=" " /&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&amp;nbsp;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;Following is the explanation of the shell length calculations:&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;Refer to the 2d sketch generated:&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;img src="/resized-image/__size/320x240/__key/communityserver-wikis-components-files/00-00-00-00-41/pastedimage1598288388836v8.jpeg" alt=" " /&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;The calculations of the shell length explained below:&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;Obtain the largest bend radius from bend summary in the design report, 342.5 mm in this case:&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&lt;img src="/resized-image/__size/320x240/__key/communityserver-wikis-components-files/00-00-00-00-41/pastedimage1598288388838v9.jpeg" alt=" " /&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;As mentioned above the centerline of the tube aligns with the vessel reference tangent line.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;Now refer to the calculations below for shell length:&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;font-size:inherit;"&gt;&lt;img src="/resized-image/__size/320x240/__key/communityserver-wikis-components-files/00-00-00-00-41/pastedimage1598288388840v10.jpeg" alt=" " /&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-family:&amp;#39;times new roman&amp;#39;, times;"&gt;&lt;span style="color:#008000;font-size:inherit;"&gt;To understand how the calculated value of 213 is determined &lt;/span&gt;&lt;span style="color:#008000;"&gt;refer&lt;span style="font-size:inherit;"&gt; to the &lt;/span&gt;tube sheet&lt;span style="font-size:inherit;"&gt; geometry, machined ext. and tube extension, gasket thickness, flange, &lt;/span&gt;tubesheet&lt;span style="font-size:inherit;"&gt; thickness etc.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;"&gt;&lt;span style="font-size:inherit;"&gt;The value of 2876.5 matches &lt;/span&gt;with&lt;span style="font-size:inherit;"&gt; the value in geometry list (rounded-off to 2876)&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:&amp;#39;times new roman&amp;#39;, times;"&gt;&lt;span style="font-size:inherit;"&gt;&lt;img src="/resized-image/__size/320x240/__key/communityserver-wikis-components-files/00-00-00-00-41/pastedimage1598288388840v11.jpeg" alt=" " /&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="color:#008000;font-family:inherit;"&gt;&amp;nbsp;&lt;/span&gt;&lt;/p&gt;
&lt;h1&gt;See Also&lt;/h1&gt;
&lt;p style="padding-left:30px;"&gt;&lt;span style="color:#3366ff;"&gt;&lt;strong&gt;&lt;a title="Bentley AutoPIPE Vessel" href="/products/pipe_stress_analysis/w/pipe_stress_analysis__wiki/bentley-autopipe-vessel.aspx"&gt;Bentley AutoPIPE Vessel&lt;/a&gt;&lt;/strong&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style="padding-left:30px;"&gt;&lt;a href="http://selectservices.bentley.com/en-US/"&gt;Bentley Select Services Technical Support webpage:&lt;/a&gt;&lt;/p&gt;
&lt;h1&gt;&lt;img src="/resized-image/__size/320x240/__key/communityserver-wikis-components-files/00-00-00-00-41/pastedimage1598288388841v12.png" alt=" " /&gt;&lt;/h1&gt;
&lt;p&gt;the &amp;quot;Comments&amp;quot; area below. THANK YOU!&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;
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