ASHRAE Journal - October 2021 - 86

RESEARCH REPORT
1718-TRP-C Development of a Method to Determine the
Moisture Transport through Roof Shingle
System Under Real Conditions
TC 4.4, Building Materials and Building Envelope Performance; co-sponsored by: TC 1.12,
Moisture Management in Buildings, SSPC 160
The principal justification of this project is to ensure that the hygrothermal
material properties in the ASHRAE Handbook-Fundamentals continue to be representative
of the materials currently in the market and relevant to the conditions
to which they are exposed. Asphalt shingle roof systems are the most commonly
used for residential homes. Status: Conditionally Approved. Clear conditions with
Research Liaison so project can bid.
1789-TRP-R Optical and Thermal Performance of Hollow
TC 4.5, Fenestration
Glass Block Units
This research will provide useful results to update the section on HGB of the
Fenestration Chapter of future editions of the ASHRAE Handbook-Fundamentals
by including performance data of current HGB products. Status: Revise work
statement for Re-bid & expand recommended bidders list, so project can rebid.
1790-TRP-R Distribution of Water between Vapor and Liquid
Phases for Low GWP Refrigerants
TC 3.3, Refrigerant Contaminant Control
ASHRAE continues to support and facilitate global efforts to reduce the
detrimental effects of global warming. ASHRAE does this by supporting research
that support the use of new low GWP refrigerants. The proposed research
herein enables the AC&R systems using these low GWP refrigerants to perform
effectively, efficiently, and reliably. In addition, proper contamination control of
moisture can extend the effective life and reduce repair costs of a system making
them a financial success for the building owner or user. Status: Revise work
statement for Re-bid & expand recommended bidders list, so project can rebid.
1797-TRP-C Assessment of the A/B Toxicity Classification
TC 3.1, Refrigerants and Secondary Coolants
Used in Standard 34
Societal expectations and demands for refrigerants with lower global
warming impact drive the industry to development new refrigerants that are
both safe and functional. Understanding the impact of using acute versus
chronic toxicity for setting limits based on technically sound toxicity criteria
for HVAC&R products will increase the safety understanding of refrigerationbased
products; facilitate the adoption of lower GWP refrigerants including
natural refrigerants; further the application and understanding of refrigerants
and products for the industry. Status: Conditionally Approved. Clear
conditions with Research Liaison so project can bid.
1815-TRP-C Integrating Occupant Behavior Data into
Building Performance Simulation
MTG.OBB Occupant Behavior in Buildings; co-sponsored by: MTG.BIM, TC 1.5
86
ASHRAE JOURNAL ashrae.o rg O CTO B E R 2021
1879-TRP-C Formability Properties of LGWP Refrigerant
TC 3.4, Occupant Behavior In Buildings; co-sponsored by: TC 8.1, Positive Displacement Compressors
and Oil Mixtures
Information is needed to ensure short- and long-term reliability of
air-conditioning and refrigeration equipment using LGWP refrigerants and
synthetic lubricants. Foaming in refrigerant systems can lead to lower
efficiency or even system inoperability or failure, and there have been no
studies published to date on foaming with lower GWP refrigerants compared
to existing refrigerant/ lubricant pairs. Oil chemistries in use today are not
expected to change significantly as refrigerant chemistries are changed;
thus, it is necessary to understand the magnitude of any system foaming
differences with lower GWP refrigerants. Status: Conditionally Approved.
Clear conditions with Research Liaison so project can bid.
The objectives of this research are to determine and document how
detailed occupant behavior data can be integrated into existing standard
BIM frameworks such as the Green Building XML gbXML, 2017) and Industry
Foundation Classes buildingSMART, 2018) schemas, to facilitate the
standardized collection and representation of occupant behavior data, and
the transfer of occupant behavior data to building simulation tools as well
as other analysis tools used in the building industry. Status: Conditionally
Approved WS. Clear conditions with Research Liaison so project can bid.
1831-TRP Validation of a Test Method for Applying a
Standardized Frost Load on a Test Evaporator in
a Test Chamber with and Operating Conditioning
System
TC 10.7 (Commercial Food and Beverage Refrigeration Equipment)
Status: Project awarded to Creative Thermal Solutions but start of project
is delayed until we can confirm we can fully fund it.
1865-TRP Optimizing Supply Air Temperature Control for
Dedicated Outdoor Air Systems
TC 1.4, (Control Theory and Application)
The ASHRAE Advanced Energy Design Guides Series (ASHRAE.) has
recommended DOASs as part of the HVAC design strategy for most climate
zones and building types evaluated, including K-12 schools, hospital and
healthcare facilities, small to medium offices buildings, retail buildings, etc.
This project will recommend new near-optimal control sequences for DOAS
systems and improve ASHRAE's Advanced Energy Design Guides Series.
The control sequences generated from the research will be submitted to
ASHRAE Guideline Project Committee 36 " High Performance Sequences of
Operation for HVAC Systems " . The results of the project can also improve
the recently published ASHRAE Design Guide for Dedicated Outdoor Air
Systems (ASHRAE, 2017). Status: Project awarded to Texas A&M but start
of project is delayed until we can confirm we can fully fund it.
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
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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
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ASHRAE Journal - October 2021 - HR18
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ASHRAE Journal - October 2021 - HR20
ASHRAE Journal - October 2021 - HR21
ASHRAE Journal - October 2021 - HR22
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ASHRAE Journal - October 2021 - HR24
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ASHRAE Journal - October 2021 - Cover3
ASHRAE Journal - October 2021 - Cover4
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