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<title>EnergyPlus Single Sided Natural Ventilation</title>
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<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:windowtext'>All,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:windowtext'>Happy New Year!<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:windowtext'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:windowtext'>I know that I recently asked the
question shown below; however I did not receive any replies so I thought I
would try again seeing as how it’s a brand new year. The question
as previously asked: <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:windowtext'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:windowtext'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:windowtext'>I am curious to know what
programs/methodologies people have used to effectively model the following
types of energy recovery systems:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:windowtext'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><font
size=2 color=black face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:windowtext'><span style='mso-list:Ignore'>1.)<font size=1
face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>
</span></font></span></span></font><![endif]><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:windowtext'>Dual
Wheel Heat Recovery with a Cooling Coil between the wheels. This system
is similar to the SEMCO Pinnacle system. As the outdoor air travels through the
air handler it passes first through a total energy wheel, then through a
cooling coil and then through a passive dehumidification wheel. The
exhaust air, as it leaves the building, travels through the passive
dehumidification wheel and then the total energy wheel.<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.25in'><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:windowtext'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><font
size=2 color=black face=Calibri><span style='font-size:11.0pt;font-family:Calibri;
color:windowtext'><span style='mso-list:Ignore'>2.)<font size=1
face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>
</span></font></span></span></font><![endif]><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:windowtext'>Twice
through Heat Recovery with a Cooling Coil in between the first and second
pass. This system is similar to a DesertAire system. The outside air
passes through the heat recovery device</span></font><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>, </span></font><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>through a
cooling coil</span></font><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy'>,</span></font><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'> and then </span></font><font
size=2 color=black face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:windowtext'>through the other side of the same</span></font><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'> heat recovery device
thus pre-cooling the outdoor air and reheating the supply air.</span></font><font
size=2 color=black face=Calibri><span style='font-size:11.0pt;font-family:Calibri;
color:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Calibri><span
style='font-size:11.0pt;font-family:Calibri;color:windowtext'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial'>Please see the attached PDF for very simple schematic
sketches of each option.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial'>Thanks,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
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<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial'>Adam</span></font><o:p></o:p></p>
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