<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-2022-jp">
</head>
<body dir="auto">
<div><br>
</div>
<div><br>
</div>
<blockquote type="cite">
<div><br>
</div>
</blockquote>
<blockquote type="cite">
<div>
<meta name="Generator" content="Microsoft Word 15 (filtered medium)">
<style><!--
/* Font Definitions */
@font-face
{font-family:$BAWBN(B;
panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:"\@$BAWBN(B";
panose-1:2 1 6 0 3 1 1 1 1 1;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman","serif";}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:#0563C1;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:#954F72;
text-decoration:underline;}
p
{mso-style-priority:99;
mso-margin-top-alt:auto;
margin-right:0cm;
mso-margin-bottom-alt:auto;
margin-left:0cm;
font-size:12.0pt;
font-family:"Times New Roman","serif";}
span.EmailStyle17
{mso-style-type:personal-compose;
font-family:"Calibri","sans-serif";
color:windowtext;}
.MsoChpDefault
{mso-style-type:export-only;
font-family:"Calibri","sans-serif";}
@page WordSection1
{size:612.0pt 792.0pt;
margin:72.0pt 90.0pt 72.0pt 90.0pt;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
<div class="WordSection1">
<p class="MsoNormal">Dear TRNSYS users,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I am wondering how to calculate the internal energy change of the borehole heat exchangers using Type 557:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="ZH-CN" style="font-family:$BAWBN(B">$B"$(B</span>U<sub>borehole</sub> = Q<sub>borehole</sub>-(Q<sub>top</sub>+Q<sub>side</sub>+Q<sub>below</sub>)<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Is the formula right?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt">Q<sub>borehole</sub>: Average heat transfer rate<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">Q<sub>top</sub>: Heat loss through top of storage<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">Q<sub>side</sub>: Heat loss through side of storage<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">Q<sub>below</sub>: Heat loss through bottom of storage<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Many thanks!<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Regards,<o:p></o:p></p>
<p class="MsoNormal">Su Huang<o:p></o:p></p>
<p><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#3366FF">Ph.D Candidate in Sustainable Buildings Research Centre
</span><span style="color:black"><o:p></o:p></span></p>
<p><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#3366FF">University of Wollongong </span><span style="color:black"><o:p></o:p></span></p>
<p><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#3366FF">Email:
<a href="mailto:sh377@uowmail.edu.au">sh377@uowmail.edu.au</a></span><span style="color:black"><o:p></o:p></span></p>
<p><span style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""><o:p> </o:p></span></p>
</div>
</div>
</blockquote>
</body>
</html>