[Equest-users] Radiant Floor Cooling
Chris Wark
cwark at rumseyengineers.com
Wed Feb 25 13:28:49 PST 2009
Since eQUEST doesn't model airflow or natural convection, you can model
radiant cooling with no ventilation by using a fan coil or VAV system
with no heating or economizer installed and set the fan efficiency at 0
kW/CFM.
We design a lot of radiant systems with separate ventilation (based on
DOE-2 and Title 24, one would think this was a physically impossible
concept) and I usually end up modeling it as an induction system with
100% outside air if I can get away with constant fan control, zones not
too different from each other, and no operable windows. Otherwise, I
have to use one of those nasty old VAV w/reheat systems and fudge the
efficiencies. The arbitrary restrictions in eQUEST can be rather
maddening.
Christopher Wark
Project Engineer
___________________________
RUMSEY
E N G I N E E R S
Energy Efficient Design
99 Linden Street
Oakland CA 94607
510 663 2070 x 239
fax 510 663 2080
cwark at rumseyengineers.com <mailto:eswalley at rumseyengineers.com>
www.rumseyengineers.com <http://www.rumseyengineers.com/>
___________________________
From: equest-users-bounces at lists.onebuilding.org
[mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Josh
Doherty
Sent: Wednesday, February 25, 2009 12:06 PM
To: equest-users at lists.onebuilding.org
Subject: [Equest-users] Radiant Floor Cooling
Hello wise ones,
Has anyone ever modeled radiant floor cooling in eQUEST? I am trying to
determine how difficult it will be to model such a system. Any input
would be appreciated. Thanks.
Josh Doherty
DC Engineering
123 W. Spruce Street
Missoula, MT 59802
Phone: (406) 829-8828 Ext. 121
Fax: (406) 829-8829
jdoherty at dcengineering.net
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