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</style><article id="node-714368" class="node node-logentry contextual-links-region article ia-n clearfix" role="article"><header class="node-header"><h1 class="node-title">
<a href="https://logbooks.jlab.org/entry/3641460" rel="bookmark">Follow-up Re: Follow-up Re: Torus Burp and 80K warm up + entire system to 80K</a>
</h1>
</header><div class="contextual-links-wrapper"><ul class="contextual-links"><li><a href="https://logbooks.jlab.org/entry/3641460/edit?destination=email/send">Edit</a></li><li><a href="https://logbooks.jlab.org/entry/3641460/delete?destination=email/send">Delete</a></li></ul></div>
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<p class="author-datetime">
Lognumber <a href="https://logbooks.jlab.org/entry/3641460" class="lognumber" data-lognumber="3641460">3641460</a>. Submitted by <a href="https://logbooks.jlab.org/user/kashy">kashy</a> on <time datetime="2019-01-04T12:32:35-0500" pubdate="pubdate"><a href="https://logbooks.jlab.org/entries?start_date=1546619555&end_date=1546626755&book=HBSOLENOID&book=HBTORUS&book=CLOG">Fri, 01/04/2019 - 12:32</a></time>. </p>
<table class="field-vitals"><tr><th>Logbooks: </th><td><a href="https://logbooks.jlab.org/book/hbsolenoid">HBSOLENOID</a> <a href="https://logbooks.jlab.org/book/hbtorus">HBTORUS</a> <a href="https://logbooks.jlab.org/book/clog">CLOG</a></td></tr><tr><th>Entry Makers: </th><td>kashy, dinsley</td></tr><tr><th>References: </th><td><a href="https://logbooks.jlab.org/entry/3641370">3641370 - Follow-up Re: Torus Burp and 80K warm up + entire system to 80K</a></td></tr></table></div>
<div class="logentry node-content">
<p>The Torus is now being warmed slowly toward 80K using LN2 cooled helium at a flow rate of 1.9g/s. It is presently at 56K and warming at .7K/hr.</p>
<p>The Solenoid is still quite cold and the Buffer Dewar helium level is 43%, we will not flow either for a while.<br />
The Solenoid is warming at 0.3K per hour at present so we might not have to even flow it with 80K gas if we can get 4K helium back before it gets to 80K. This will reduce the cooldown time.</p>
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