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<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Dear professor, I’m a PhD working in <st1:place
w:st="on"><st1:PlaceName w:st="on">Perugia</st1:PlaceName> <st1:PlaceType
 w:st="on">University</st1:PlaceType></st1:place>.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>I’m using Trnsys to simulate a GHP system. I’m
using the Tape 557 “Duct Ground Heat Storage Model”. I need to know
the meaning of the parameter “Number of simulation years”.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>If I use a value of 10 year and I print the values of
ground temperature simulated using TRNSYS16 (using 8760 hours of simulation in
Transys), does the software give the temperature after 10 years of simulation?<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Waiting your reply,<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Best regards.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Nicola <o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
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<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>

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</span></font></b><b><font size=4><span style='font-size:14.0pt;font-weight:
bold'>           Dott.
Ing. <st1:PersonName ProductID="Nicola Sorbi" w:st="on">Nicola Sorbi</st1:PersonName><o:p></o:p></span></font></b></p>

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UNIVERSITA' DEGLI STUDI DI PERUGIA<o:p></o:p></span></font></b></p>

<p class=MsoNormal><font size=3 color="#333399" face="Times New Roman"><span
style='font-size:12.0pt;color:#333399'>          
Dipartimento di Ingegneria Industriale<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=3 color="#333399" face="Times New Roman"><span
style='font-size:12.0pt;color:#333399'>          
Via G. Duranti 1A/4 - 06125 Perugia<o:p></o:p></span></font></p>

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style='font-size:12.0pt;color:#333399'>          
Tel. +39 075/5853930 - Fax. +39 075/5853736 <o:p></o:p></span></font></p>

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E-mail <st1:PersonName w:st="on">nicolasorbi@mach.ing.unipg.it</st1:PersonName><o:p></o:p></span></font></p>

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