ASHRAE Journal - October 2021 - 9
LETTERS
the article gives natural gas use of
about 1,920 MMBtu/158,000 ft2 =
12.15 kBtu/ft2·yr, approximately
the same as the SEE model value.
Figure A suggests the SEE model is
in the ballpark of modeling the real
system.
However, several details of the
design not given by the article had
to be assumed. A more accurate SEE
model of the system can be developed
if the authors could provide
day energy use data for one or more
days.
The SEE model can give an energy
balance for each hour of a given day,
as illustrated by Figure B. Note that
the perimeter air heat and window
heat is zero during the summer
hour, and the building shell goes
from " energy in " during the summer
to " energy out " during the winter
hour.
SEE models of days with different
weather conditions can provide
insight into how to better control
or modify the system to reduce
energy consumption. The SEE
model shows that the design of the
perimeter heat panels has a signifi
cant impact on building energy
consumption. This and other details
of the design will be addressed at
https://kirbynelsonpe.com, including
how this building design performs
at other temperature zones.
My appreciation and congratulations
to the authors for an extraordinary
design and well-written article.
Kirby Nelson P.E., Life Member ASHRAE,
Springfi eld, Mo.
Author Responds
I'm glad you enjoyed the article
regarding the offi ce tower I worked
on in Madison, Wis. I am glad you
are able to fi nd new ways to analyze
and use the 2019 measured data
that was included in the article. I
agree that measured data is very
powerful!
Shana Scheiber, P.E., Member ASHRAE,
Madison, Wis.
ASHRAE Journal welcomes
letters to the editor. The letters
should be no more than
250 words and must relate
to an article published in
ASHRAE Journal.
Please send your letters to
rebecca@ashrae.org
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© Armacell 2021
O CTO B E R 2 0 2 1 ashrae.o rg ASHRAE JOURNAL
9
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http://ashrae.org
ASHRAE Journal - October 2021
Table of Contents for the Digital Edition of ASHRAE Journal - October 2021
Contents
ASHRAE Journal - October 2021 - Intro
ASHRAE Journal - October 2021 - Cover1
ASHRAE Journal - October 2021 - Cover2
ASHRAE Journal - October 2021 - 1
ASHRAE Journal - October 2021 - Contents
ASHRAE Journal - October 2021 - 3
ASHRAE Journal - October 2021 - 4
ASHRAE Journal - October 2021 - 5
ASHRAE Journal - October 2021 - 6
ASHRAE Journal - October 2021 - 7
ASHRAE Journal - October 2021 - 8
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ASHRAE Journal - October 2021 - 15
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ASHRAE Journal - October 2021 - 17
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ASHRAE Journal - October 2021 - 20
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ASHRAE Journal - October 2021 - 30
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ASHRAE Journal - October 2021 - 36
ASHRAE Journal - October 2021 - 37
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ASHRAE Journal - October 2021 - 72
ASHRAE Journal - October 2021 - HR1
ASHRAE Journal - October 2021 - HR2
ASHRAE Journal - October 2021 - HR3
ASHRAE Journal - October 2021 - HR4
ASHRAE Journal - October 2021 - HR5
ASHRAE Journal - October 2021 - HR6
ASHRAE Journal - October 2021 - HR7
ASHRAE Journal - October 2021 - HR8
ASHRAE Journal - October 2021 - HR9
ASHRAE Journal - October 2021 - HR10
ASHRAE Journal - October 2021 - HR11
ASHRAE Journal - October 2021 - HR12
ASHRAE Journal - October 2021 - HR13
ASHRAE Journal - October 2021 - HR14
ASHRAE Journal - October 2021 - HR15
ASHRAE Journal - October 2021 - HR16
ASHRAE Journal - October 2021 - HR17
ASHRAE Journal - October 2021 - HR18
ASHRAE Journal - October 2021 - HR19
ASHRAE Journal - October 2021 - HR20
ASHRAE Journal - October 2021 - HR21
ASHRAE Journal - October 2021 - HR22
ASHRAE Journal - October 2021 - HR23
ASHRAE Journal - October 2021 - HR24
ASHRAE Journal - October 2021 - 73
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ASHRAE Journal - October 2021 - 95
ASHRAE Journal - October 2021 - 96
ASHRAE Journal - October 2021 - Cover3
ASHRAE Journal - October 2021 - Cover4
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