ASHRAE Journal - May 2022 - 7
INDUSTRY NEWS
What lessons, facts or guidance can an engineer working
in the field take away from this research?
Technologies that can dehumidify isothermally, like
membrane-based dehumidifi cation, can save substantial
amounts of building energy and should be further
developed.
Were there any surprises or unforeseen challenges for
you when preparing this research?
Being that actual AC system energy effi ciency always
depends on actual system specifi cs, it was diffi cult to
perform a technology-agnostic analysis that shows
potential without favoring a particular research and
development path. Also, modeling the dehumidifi cation
demand was challenging because of the large variability
in building stock design and condition, weather and climate
nationwide.
We believe our approach yields a conservative, technology-agnostic
assessment of the potential for isothermal
dehumidifi cation. The potential savings could
be signifi cantly higher-especially in more humid climates
outside of the U.S.
How can this research further the industry's knowledge
on this topic?
We show the signifi cant potential for energy savings
by dehumidifying isothermally, that is, without cooling
below the dew point. By showing this, we hope to spur
industrial and academic R&D in this novel and important
research space to permit signifi cant energy reductions
for HVAC .
What are the next steps for this research?
Broadly, further research on this topic would seek
more granular estimates of the energy savings potential
of isothermal dehumidifi cation systems. Such work
could include integrating isothermal dehumidifi cation
system models with building models or investigating
effects of individual isothermal dehumidifi cation system
designs on the overall energy savings potential.
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ASHRAE Journal - May 2022
Table of Contents for the Digital Edition of ASHRAE Journal - May 2022
Contents
ASHRAE Journal - May 2022 - Intro
ASHRAE Journal - May 2022 - Cover1
ASHRAE Journal - May 2022 - Cover2
ASHRAE Journal - May 2022 - 1
ASHRAE Journal - May 2022 - Contents
ASHRAE Journal - May 2022 - 3
ASHRAE Journal - May 2022 - 4
ASHRAE Journal - May 2022 - 5
ASHRAE Journal - May 2022 - 6
ASHRAE Journal - May 2022 - 7
ASHRAE Journal - May 2022 - 8
ASHRAE Journal - May 2022 - 9
ASHRAE Journal - May 2022 - 10
ASHRAE Journal - May 2022 - 11
ASHRAE Journal - May 2022 - 12
ASHRAE Journal - May 2022 - 13
ASHRAE Journal - May 2022 - 14
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ASHRAE Journal - May 2022 - 72
ASHRAE Journal - May 2022 - Cover3
ASHRAE Journal - May 2022 - Cover4
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