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<p>Emre,</p>
<p> TGROUND is an input to Type56 so like all TRNSYS inputs, it
will have the value of whatever model output or equation that you
connect to it and if you don't connect anything then it will have
whatever initial value you have set in the Type56 proforma. The
default value for all of the Type56 inputs is 0. You need to
connect the appropriate boundary temperature for floor x output of
Type49 to the TGROUND input in Type56. You also need to add a
Type56 output of QCOMO for each floor surface and connect it to
the appropriate Type49 input(s). I would recommend that you follow
the SlabOnGrade.tpf example that shows how the two components are
connected (if you have not already done so).</p>
<p>kind regards and happy new year,</p>
<p> David<br>
</p>
<div class="moz-cite-prefix">On 12/31/2019 08:47, Emre Arpaci via
TRNSYS-users wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CADBhVH3cACLtcwNgvP8z5wO2LVbZwK5dup-U6W_K4RF97pge1w@mail.gmail.com">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<div dir="ltr">I modeled a greenhouse with skeetchup and imported
it to trnsys. I used a controller to set up the heating point
15 <span style="font-family:"Open
Sans",arial,sans-serif;letter-spacing:-0.02em">°</span>C
. i learned this last week the program takes the soil
temperature 0
<span style="font-family:"Open
Sans",arial,sans-serif;letter-spacing:-0.02em">°</span>C
. Because the ground_floor boundary coundition is like that
1*TGROUND . and ı couldnot connect TGROUND temperature to my
greenhouse. Because I dont know how can I get this ground
temperature in my greenhouse. I read the old mails in this
site. I get this point <span style="background-color:rgb(248,249,250);font-family:inherit;white-space:pre-wrap">Type 49 should be used for determining ground temperature.
I read </span>TRNSYS_Multizone_Slab_Model_Tutorial article to use type
49 correctly but i couldnt run it. Now is there any other
method to calculate my greenhouse ground temperature dynamically
? </div>
<br>
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<pre class="moz-signature" cols="72">--
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
3 North Pinckney Street - suite 202
Madison, WI 53703 USA
P:+1.608.274.2577
F:+1.608.278.1475
<a class="moz-txt-link-abbreviated" href="mailto:d.bradley@tess-inc.com">d.bradley@tess-inc.com</a>
<a class="moz-txt-link-freetext" href="http://www.tess-inc.com">http://www.tess-inc.com</a>
<a class="moz-txt-link-freetext" href="http://www.trnsys.com">http://www.trnsys.com</a></pre>
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