ASHRAE Journal - October 2021 - 77

RESEARCH REPORT
1579-RP Testing and Evaluation of Ozone Removal Air
Cleaning Devices for Improving IAQ
January 2019 - February 2021; University Texas Austin; Principal Investigator, Richard Corsi;
TC 2.3, Gaseous Air Contaminant/Removal Equipment; Co-sponsor, Environmental Health Committee
(EHC), and SSPC 62.1
ASHRAE Standard 62.1 requires reduction of ozone in ventilation air
under NAAQS nonattainment conditions. Therefore, building design professionals,
fi lter manufacturers, and building owners and operators are in
critical need of information relating to the performance of ozone removal
devices under a variety of environmental conditions for both design and
operating requirements. In the future, there may possibly be a parallel
requirement for residences in Standard 62.2. It is anticipated that the
testing will utilize existing laboratory test rigs with modifi cations depending
on types of devices selected). This will help to keep costs down and
increase acceptance of the results in the industry.
1604-RP Demand Based Flow Control for Cleanrooms
September 2011- February 2021; Engsysco, Inc.; Principal Investigator, Wei Sun; TC 9.11,
(Clean Spaces)
Very little research has been done on dynamic control of airfl ow to control
particles in cleanrooms-matching airfl ow to the desired contamination
limits. The high energy use and resulting cost for typical systems today
and concern over availability of electricity suggests that the ventilation
rate should be adjusted in order to achieve the desired cleanliness yet
minimizing excess airfl ow.
Up till now, this technology was not applied, as real time particle measurement
systems did not have both suffi cient precision, reliability, and
cost effectiveness, and controls did not have adequate reaction time. Also,
owners and operators of industrial cleanrooms have been hesitant to make
changes to the air exchange rates in cleanrooms due to misconceptions
that varying fl ow rates through cleanroom fi lters will disrupt the fl ow and
cause particle counts to increase.
The main objective of this project is to establish a scientifi c approach
to implement demand-controlled fi ltration ventilation rate) for cleanrooms
for the two cleanroom classes ISO, 7 and 8, 10 000 and 100 000) that
have the broadest application. For example, these two classes comprise
85 to 90% of pharmaceutical classrooms. Based on the results of this
research, a future project could well research applying this approach to
other more stringent classes.
1614-RP Developing a Test Method to Determine the
September 2017 - Completed June 2020; Syracuse University; Principal Investigator, Jianshun
Jiang; TC 5.10, Kitchen Ventilation
If the photochemical and oxidative processes taking place within a
UV system are proven to be effective and safe, a UV system can offer
many benefi ts. These benefi ts include: reduced duct cleaning intervals, a
Effectiveness of UVC Systems on Commercial
Cooking Effluent
decreased likelihood of a duct fi re, increased commercial kitchen ventilation
heat exchanger effi ciencies, and possible reductions of VOC's and grease
particulate emissions. Quantitative testing will allow for a recommendation
to be made on how effective a UV system will be when installed and
quantify the benefi ts based on data from third party analysis.
1644-RP Smoke Control in Long Atria
September 2019 - December 2020 (P); Jensen Hughes; Principal Investigator, Jennifer Wiley;
TC 5.6 (Control of Fire and Smoke)
An increasing number of large building complexes are being constructed
to include long atrium spaces. Airport terminals, shopping malls, conference
centers, hotels, and sports arenas are examples of facilities with
long atria, and all these facilities have high population concentrations.
With the present level of knowledge, it is impossible to provide fact-based
guidelines for the maximum size of smoke reservoirs for such buildings
before dangerous conditions occur that are not predicted by current tools.
It is also impossible to provide guidance for the design of cost-effective
and energy effi cient smoke control systems for such spaces. Without better
information, building designs that include long atria may unknowingly
expose the public to hazardous conditions during a fi re, which will result
in liability issues for the designers of the HVAC and Life Safety systems.
1649-RP IAQ and Energy Implications of High Efficiency
Filters in Residential Buildings
April 2016 - Completed January 2020; University of Toronto; Principal Investigator, Jeffrey
Siegel; TC 2.4, Particulate Air Contaminants and Gas Contaminant Removal Equipment
Filters are usually present in well-maintained forced air systems in
the U.S., including in residential systems with recirculation airstreams.
The intent of this research is to quantify the actual impact that high
effi ciency fi lters have on in-home PM concentrations, and it will result
in a database of simultaneous measurements of indoor/outdoor aerosol
concentrations, system operational values e.g. run times, pressure drops),
and system energy use. This work will directly inform existing ASHRAE
Standards including minimum fi ltration aspects of 62.2-2007, which has
been incorporated into existing state energy codes e.g., for California),
and the discharge addendum in 52.2-2007. Finally, this work will provide
data to better inform the residential consumer on: 1) IAQ impacts of high
effi ciency purchases, which were estimated as an annual revenue stream
of $150 million to the fi lter market; 2) how often higher effi ciency fi lters
both standard and electrostatic) should be changed to maintain their effectiveness
of PM concentration reduction; and 3) any associated energy
costs with using higher effi ciency fi ltration.
1650-RP Training Requirements for Sustainable, High
Performance Building Operations
November 2016 - Completed January 2020, Montana State University, Principal Investigator,
Jaya Mukhopadhyay; TC. 7.3, Operation and Maintenance Management, co-sponsored by: TC 7.6,
Building Energy Performance, TC 7.8, Owning and Operating Costs and TC 2.8, Building EnvironO
CTO B E R 2 0 2 1 ashrae.o rg ASHRAE JOURNAL
77
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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
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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
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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
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ASHRAE Journal - October 2021 - Cover3
ASHRAE Journal - October 2021 - Cover4
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