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    <div class="moz-cite-prefix">The ground temperatures in the
      EnergyPlus EPW should be exactly the same those in the DOE-2 BIN
      of the same weather file, because I remember extracting the GTEMP
      subroutine from the DOE-2 weather packer and providing it to the
      EnergyPlus development team some 15 years ago or so.<br>
      <br>
      Joe<br>
      <br>
      On 10/24/2013 7:36 PM, Simge Andolsun wrote:<br>
    </div>
    <blockquote
cite="mid:CAHm8iRP2uEcyUBvPe8dL3x6X8J4rc==GxXAV1fdqT6PMZ04r9Q@mail.gmail.com"
      type="cite">
      <meta http-equiv="Context-Type" content="text/html;
        charset=windows-1252">
      <div dir="ltr"><span>Dear Joe Huang,</span>
        <div><br>
        </div>
        <div>Yes, I am aware of this. I am trying to make the ground
          heat transfer calculation parameters I will use in EnergyPlus
          as similar as possible to those in eQuest in order to prevent
          them from being the cause of variation between the two
          programs. So, regardless of how unreliable or approximate
          these ground temperatures may be, I am OK with this at the
          moment. But, thank you very much for making this point. It is
          very true.</div>
      </div>
      <div class="gmail_extra"><br>
        <br>
        <div class="gmail_quote">On Thu, Oct 24, 2013 at 8:07 PM, Joe
          Huang <span dir="ltr"><<a moz-do-not-send="true"
              href="mailto:yjhuang@whiteboxtechnologies.com"
              target="_blank">yjhuang@whiteboxtechnologies.com</a>></span>
          wrote:<br>
          <blockquote class="gmail_quote">
            <div> Simge,<br>
              <br>
              If you know what's happening to the ground temperatures in
              DOE-2, you should then know that they are calculated by a
              sine-curve equation developed by Tamami Kusuda in the
              early 1980's that takes up only 10 lines of code in the
              DOE-2 weather packer, using default values for soil
              diffusivity and ignoring the effects of  water table,
              surface evapotranspiration, or geothermal anomalies.  In
              other words, these ground temperatures are extremely
              approximate.
              <div class="im"><br>
                <br>
                Joe<br>
                <pre cols="90">Joe Huang
White Box Technologies, Inc.
346 Rheem Blvd., Suite 108D
Moraga CA 94556
<a moz-do-not-send="true" href="mailto:yjhuang@whiteboxtechnologies.com" target="_blank">yjhuang@whiteboxtechnologies.com</a>
<a moz-do-not-send="true" href="http://weather.whiteboxtechnologies.com" target="_blank">http://weather.whiteboxtechnologies.com</a> for simulation-ready weather data
(o) <a moz-do-not-send="true" href="tel:%28925%29388-0265" value="+19253880265" target="_blank">(925)388-0265</a>
(c) <a moz-do-not-send="true" href="tel:%28510%29928-2683" value="+15109282683" target="_blank">(510)928-2683</a>
"building energy simulations at your fingertips"
</pre>
                <br>
              </div>
              <div>
                <div class="h5"> On 10/24/2013 6:45 PM, Simge Andolsun
                  wrote:
                  <blockquote type="cite">
                    <div>Kapil hi! :) Great to hear from you!
                      <div>Dear Joe and Nick,<br>
                        <div><br>
                        </div>
                        <div>Thanks for all your responses. </div>
                        <div><br>
                        </div>
                        <div>I actually know what's happening to the
                          ground temperatures in DOE-2, how they are
                          used in ground heat transfer calculations and
                          their effect on overall building energy
                          consumption. I just wanted to know how to make
                          eQuest plot these temperatures for me. Thanks
                          to y'all, I managed to do it. But, thank you
                          so much for responding with this much detail! </div>
                        <div><br>
                        </div>
                        <div>Best Regards,</div>
                        <div>Simge Andolsun, PhD.</div>
                      </div>
                    </div>
                    <div><br>
                      <br>
                      <div>On Thu, Oct 24, 2013 at 5:34 PM, Kapil
                        Upadhyaya <span><<a moz-do-not-send="true"
                            href="mailto:KapilU@kirksey.com"
                            target="_blank">KapilU@kirksey.com</a>></span>
                        wrote:<br>
                        <blockquote>
                          <div lang="EN-US">
                            <div>
                              <p><span>Simge, </span></p>
                              <p><span>Do keep in mind that in DOE2
                                  these are fixed monthly averages used
                                  for all hours of the month; these are
                                  derived by the ground reaching
                                  monthly-average outside air
                                  temperature at a lag of 3 months. </span></p>
                              <p><span>   </span></p>
                              <p><span>Ground Temperature will have
                                  little effect on loads/energy in
                                  Houston for typical buildings. If you
                                  are simulating geothermal heat
                                  exchange or radiant heating (thru
                                  slab-on-grade),  then the
                                  investigation will be time worth
                                  spent. </span></p>
                              <p><span>   </span></p>
                              <p><span>Best, </span></p>
                              <p><span>   </span></p>
                              <div>
                                <p><b><span>Kapil Upadhyaya, LEED AP</span></b><span>
                                    <br>
                                    Associate </span></p>
                                <p><b><span>Kirksey</span></b><span> |</span><span> Architecture<br>
                                    6909 Portwest Drive  </span><span>|</span><span>
                                     Houston Texas 77024  </span><span>|</span><span>
                                     <a moz-do-not-send="true"
                                      href="http://www.kirksey.com"
                                      target="_blank"><span>www.kirksey.com</span></a>
                                    <br>
                                    o  <a moz-do-not-send="true"
                                      href="tel:713%C2%A0426%C2%A07508"
                                      target="_blank">713 426 7508</a>  </span><span>|</span><span>
                                     f  <a moz-do-not-send="true"
                                      href="tel:713%C2%A0850%C2%A07308"
                                      target="_blank">713 850 7308</a>  </span><span>|</span><span>
                                     <a moz-do-not-send="true"
                                      href="mailto:kapilu@kirksey.com"
                                      target="_blank"><span>kapilu@kirksey.com</span></a></span><span>
                                  </span></p>
                                <p><b><span>2012-2013 Firm of the Year </span></b><span><br>
                                    Texas Society of Architects</span><span>
                                  </span></p>
                              </div>
                              <p><span>   </span></p>
                              <div>
                                <div>
                                  <p><b><span>From:</span></b><span>
                                      Nick Caton [mailto:<a
                                        moz-do-not-send="true"
                                        href="mailto:ncaton@smithboucher.com"
                                        target="_blank">ncaton@smithboucher.com</a>]
                                      <br>
                                      <b>Sent:</b> Thursday, October 24,
                                      2013 2:55 PM<br>
                                      <b>To:</b> Joe Huang; <a
                                        moz-do-not-send="true"
                                        href="mailto:equest-users@lists.onebuilding.org"
                                        target="_blank">equest-users@lists.onebuilding.org</a></span></p>
                                  <div>
                                    <div><br>
                                      <b>Subject:</b> Re: [Equest-users]
                                      Ground temperatures </div>
                                  </div>
                                </div>
                              </div>
                              <div>
                                <div>
                                  <p>   </p>
                                  <p><span>I haven’t tried Joe’s
                                      suggested tool (yet), but here’s
                                      the hourly report variable you’re
                                      looking for: </span></p>
                                  <p><img moz-do-not-send="true"><span>
                                    </span></p>
                                  <p><span><a moz-do-not-send="true"
                                        href="http://en.wikipedia.org/wiki/Rankine_scale"
                                        target="_blank">(Rankine
                                        conversion reference)</a> </span></p>
                                  <div>
                                    <p><span>   </span></p>
                                    <p><span>You get here double
                                        clicking one of the hourly
                                        report items in the component
                                        tree under the “project and
                                        site” tab.  You can view the
                                        results by running the
                                        simulation then either opening
                                        the resulting .csv in the
                                        project directory or clicking
                                        the “hourly results” button on
                                        the top right of the “detailed
                                        results viewer,” which opens the
                                        same file.  Within that file
                                        scroll to the far right to check
                                        out any custom report variables
                                        you’ve included for the project.
                                      </span></p>
                                    <p><span>   </span></p>
                                    <p><span>Such an hourly report
                                        builds upon Joe’s observation –
                                        it appears the monthly ground
                                        temperatures are averaged into
                                        12 values over the year, then
                                        applied to each month on an
                                        hourly basis for the
                                        simulation.  I can’t speak to
                                        whether this is a trait specific
                                        to eQuest and/or the DOE-2
                                        engine. </span></p>
                                    <p><span>   </span></p>
                                    <p><span>~Nick </span></p>
                                    <p><span>   </span></p>
                                    <p><span><img moz-do-not-send="true"
alt="cid:489575314@22072009-0ABB"></span><b><span> </span></b></p>
                                    <p><b><span>   </span></b></p>
                                    <p><b><span>NICK CATON, P.E. </span></b></p>
                                    <p><span>SENIOR ENGINEER </span></p>
                                    <p><span>   </span></p>
                                    <p><span>Smith & Boucher
                                        Engineers</span><span> </span></p>
                                    <p><span>25501 west valley parkway,
                                        suite 200 </span></p>
                                    <p><span>olathe, ks 66061 </span></p>
                                    <p><span>direct <a
                                          moz-do-not-send="true"
                                          href="tel:913.344.0036"
                                          target="_blank">913.344.0036</a>
                                      </span></p>
                                    <p><span>fax <a
                                          moz-do-not-send="true"
                                          href="tel:913.345.0617"
                                          target="_blank">913.345.0617</a>
                                      </span></p>
                                    <p><span><a moz-do-not-send="true"
                                          href="http://www.smithboucher.com"
title="blocked::www.smithboucher.com" target="_blank"><span>www.smithboucher.com</span></a></span>
                                      <span> </span> <span> </span></p>
                                  </div>
                                  <p><span>   </span></p>
                                  <div>
                                    <div>
                                      <p><b><span>From:</span></b><span>
                                          <a moz-do-not-send="true"
                                            href="mailto:equest-users-bounces@lists.onebuilding.org"
                                            target="_blank">equest-users-bounces@lists.onebuilding.org</a>
                                          [mailto:<a
                                            moz-do-not-send="true"
                                            href="mailto:equest-users-bounces@lists.onebuilding.org"
                                            target="_blank">equest-users-bounces@lists.onebuilding.org</a>]
                                          <b>On Behalf Of </b>Joe Huang<br>
                                          <b>Sent:</b> Thursday, October
                                          24, 2013 2:18 PM<br>
                                          <b>To:</b> <a
                                            moz-do-not-send="true"
                                            href="mailto:equest-users@lists.onebuilding.org"
                                            target="_blank">equest-users@lists.onebuilding.org</a><br>
                                          <b>Subject:</b> Re:
                                          [Equest-users] Ground
                                          temperatures </span></p>
                                    </div>
                                  </div>
                                  <p>   </p>
                                  <p>Correction to previous e-mail,
                                    meant to say<br>
                                    <br>
                                    "By the way, I think that DOE-2
                                    should do some smoothing or
                                    interpolation of the monthly ground
                                    temperatures; right now if you look
                                    at ..."<br>
                                    <br>
                                    Joe </p>
                                  <pre>Joe Huang    </pre>
                                  <pre>White Box Technologies, Inc.    </pre>
                                  <pre>346 Rheem Blvd., Suite 108D    </pre>
                                  <pre>Moraga CA 94556    </pre>
                                  <pre><a moz-do-not-send="true" href="mailto:yjhuang@whiteboxtechnologies.com" target="_blank">yjhuang@whiteboxtechnologies.com</a>    </pre>
                                  <pre><a moz-do-not-send="true" href="http://weather.whiteboxtechnologies.com" target="_blank">http://weather.whiteboxtechnologies.com</a> for simulation-ready weather data    </pre>
                                  <pre>(o) <a moz-do-not-send="true" href="tel:%28925%29388-0265" target="_blank">(925)388-0265</a>    </pre>
                                  <pre>(c) <a moz-do-not-send="true" href="tel:%28510%29928-2683" target="_blank">(510)928-2683</a>    </pre>
                                  <pre>"building energy simulations at your fingertips"    </pre>
                                  <p><br>
                                    On 10/24/2013 12:15 PM, Joe Huang
                                    wrote: </p>
                                  <p>In my opinion, the easiest way to
                                    get the ground temperatures would
                                    not be through DOE-2 Hourly Reports,
                                    although I'm sure that can be done,
                                    but by reading them from the weather
                                    file using the WTHFMT2 utility
                                    program that converts the file from
                                    binary to text.  There are just 12
                                    numbers for monthly ground
                                    temperatures, shown on line 2 of the
                                    *.FMT files.  By the way, I think
                                    that DOE-2 does some smoothing or
                                    interpolation of the monthly ground
                                    temperatures; right now if you look
                                    at the hourly heat transfer through
                                    Underground walls or floors, you'll
                                    see a wierd staircase effect with
                                    the same load for a whole month, and
                                    then a jump to a different load the
                                    next month, etc.<br>
                                    <br>
                                    Joe </p>
                                  <pre>Joe Huang    </pre>
                                  <pre>White Box Technologies, Inc.    </pre>
                                  <pre>346 Rheem Blvd., Suite 108D    </pre>
                                  <pre>Moraga CA 94556    </pre>
                                  <pre><a moz-do-not-send="true" href="mailto:yjhuang@whiteboxtechnologies.com" target="_blank">yjhuang@whiteboxtechnologies.com</a>    </pre>
                                  <pre><a moz-do-not-send="true" href="http://weather.whiteboxtechnologies.com" target="_blank">http://weather.whiteboxtechnologies.com</a> for simulation-ready weather data    </pre>
                                  <pre>(o) <a moz-do-not-send="true" href="tel:%28925%29388-0265" target="_blank">(925)388-0265</a>    </pre>
                                  <pre>(c) <a moz-do-not-send="true" href="tel:%28510%29928-2683" target="_blank">(510)928-2683</a>    </pre>
                                  <pre>"building energy simulations at your fingertips"    </pre>
                                  <p><br>
                                    On 10/24/2013 11:05 AM, Simge
                                    Andolsun wrote: </p>
                                  <div>
                                    <div>
                                      <p>Dear eQuest Users, </p>
                                    </div>
                                    <div>
                                      <p>  </p>
                                    </div>
                                    <div>
                                      <p>Would you please let me know
                                        which report would give me the
                                        deep ground temperatures used in
                                        ground heat transfer
                                        calculations of eQuest? I used
                                        to select an hourly report
                                        variable to make DOE-2.1e report
                                        these values, but I am not sure
                                        how to get these values from
                                        eQuest. Would you help me with
                                        this? </p>
                                    </div>
                                    <div>
                                      <p>  </p>
                                    </div>
                                    <div>
                                      <p>Thank you very much in advance
                                        for your help, </p>
                                    </div>
                                    <div>
                                      <p>Best Regards, </p>
                                    </div>
                                    <div>
                                      <p>  </p>
                                    </div>
                                    <div>
                                      <p>Simge Andolsun, PhD.  </p>
                                    </div>
                                  </div>
                                  <pre>     </pre>
                                  <pre>_______________________________________________    </pre>
                                  <pre>Equest-users mailing list    </pre>
                                  <pre><a moz-do-not-send="true" href="http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org" target="_blank">http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org</a>    </pre>
                                  <pre>To unsubscribe from this mailing list send  a blank message to <a moz-do-not-send="true" href="mailto:EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG" target="_blank">EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG</a>    </pre>
                                </div>
                              </div>
                            </div>
                          </div>
                          <br>
_______________________________________________<br>
                          Equest-users mailing list<br>
                          <a moz-do-not-send="true"
href="http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org"
                            target="_blank">http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org</a><br>
                          To unsubscribe from this mailing list send  a
                          blank message to <a moz-do-not-send="true"
                            href="mailto:EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG"
                            target="_blank">EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG</a><br>
                          <br>
                        </blockquote>
                      </div>
                      <br>
                    </div>
                    <pre><fieldset></fieldset>
_______________________________________________
Equest-users mailing list
<a moz-do-not-send="true" href="http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org" target="_blank">http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org</a>
To unsubscribe from this mailing list send  a blank message to <a moz-do-not-send="true" href="mailto:EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG" target="_blank">EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG</a>
</pre>
                  </blockquote>
                </div>
              </div>
            </div>
            <br>
            _______________________________________________<br>
            Equest-users mailing list<br>
            <a moz-do-not-send="true"
href="http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org"
              target="_blank">http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org</a><br>
            To unsubscribe from this mailing list send  a blank message
            to <a moz-do-not-send="true"
              href="mailto:EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG">EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG</a><br>
            <br>
          </blockquote>
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        <br>
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    </blockquote>
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