ASHRAE Journal - October 2021 - 79

RESEARCH REPORT
The principal justifi cation of this project is to ensure that the hygrothermal
materials properties in the ASHRAE Handbook-Fundamentals continue
to be representative of the materials currently in use especially in view of
the use of different envelope systems and design and HVAC solutions for
very low energy and net-zero energy buildings. Designers will be able to
more confi dently perform hygrothermal modeling to optimize their buildings,
as well as promote the advantages of energy and hygric modeling to their
clients. The results of this project will support the calculations required in
ASHRAE 90.1, 90.2, 189.1, and 160, making those standards easier to use
and increasing their likelihood of adoption in more jurisdictions.
1707-RP Annoyance Thresholds of Tones in Noise as Related
to Building Services Equipment
September 2018 - August 2020 (P); Purdue University; Principal Investigator, Patricia Davies;
TC 2.6, Sound and Vibration; Co-sponsored, TC 2.1, Physiology and Human Environment
As problems with noise can impact building owners, designers, developers,
contractors and policy makers, this research has great value to the
society. We estimate that a large part of the society in total will be affected
within 10 years, as the data gathered in this project are embedded into the
ASHRAE Handbooks and eventually into design criteria, regarding noise
from building services equipment. A further benefi t is that manufacturers
of building services equipment will have quantitative guidelines with which
to benchmark their equipment. Eventually the data will lead to or inform the
development of an industry-accepted metric to quantify the tonal nature
of equipment noise. The likelihood of this progress is high and is expected
to be adopted by the industry smoothly as there is currently a vacuum of
information. We do not foresee any intellectual property rights resulting
from this project.
1711-RP Advanced Sequences of Operation for HVAC
Systems-Phase II Central Plants and Hydronic
Systems
September 2017 - Completed June 2020; Taylor Engineering; Principal Investigator, Steve
Taylor; TC 1.4, Control Theory and Application
ASHRAE members will benefi t due to the reduced time to prepare,
program, and commission control systems, as noted above. It is expected
that most DDC system manufacturers will program the ASHRAE sequences
into their systems so that they can be used or easily adapted for most any
HVAC system application, reducing the cost and improving the performance
of DDC systems.
1720-RP Validation of Gas Phase Air Cleaner Performance
Test Method (Standard 145.2) by Laboratory Testing
of Commercially Available Filtration
September 2017 - August 2021 (P); RTI International; Principal Investigator, Kathleen Owen;
TC 2.3, Gaseous Contaminants/Removal Equipment, Co-sponsored by: SSPC 145: Test Methods
for Assessing Performance of Gas Phase Air Cleaning Equipment & SSPC 62.1: Ventilation for
acceptable indoor air quality
1733-RP Develop Design Criteria for Psychrometric Air
Sampler and Mixer Apparatus for Use in ASHRAE
Test Standards
August 2018 - February 2021 (P); Oklahoma State University; Principal Investigator: Christian
Bach; TC 8.11, Unitary and Room Air Conditioners and Heat Pumps
O CTO B E R 2 0 2 1 ashrae.o rg ASHRAE JOURNAL
79
1721-RP Oil Return and Retention in Unitary Split System
Gas Lines with HFC and HFO Refrigerants
April 2017 - May 2021 (P); Purdue University; Principal Investigator; Eckhard Groll; TC 8.11,
Unitary and Room Air Conditioners and Heat Pumps, Co-sponsored by: TC 10.3 Refrigerant Piping,
Controls and Accessories; TC 3.4, Lubrication
The objective of this project will be to develop rules for sizing refrigeration
interconnecting gas piping in unitary split systems to ensure oil return to
the compressor in both air-conditioning and heat pump applications. Both
horizontal and vertical lines would need to be addressed. The rules that
are developed would be such that they would be applicable to all existing
refrigerant-oil combinations currently in use as well as new.
1729-RP Experimental Verification of Cooling Load
Calculations for Spaces with Non-Uniform
Temperature Radiant Surfaces
September 2016 - July 2020 (P); University Texas - Austin; Principal Investigator, Atila
Novoselac; TC 4.1, Load Calculation Data and Procedures
The results of the project will improve the cooling load methods described
in ASHRAE Handbook-Fundamentals by enhancing their applicability to radiant
systems that utilize radiation heat transfer to directly remove space heat
gains from the conditioned space. Knowledge of the dynamic interaction
of radiant systems with various heat sources will produce guidelines for
modeling space conditioning systems that involve radiation heat transfer,
which include radiant and stratifi ed systems UFAD and displacement
ventilation) that will create non-uniform surface temperatures in the space.
The results and improved modeling methods from this project could also
be used in future efforts to update the Radiant Time Series method for
radiant cooling applications or the weighting factor method for energy
performance modeling.
Validating the 145.2 Standard will facilitate the use of the IAQ Procedure
ASHRAE Standard 62.1 " Ventilation for acceptable indoor air quality " by
providing the quantitative information from this test validation of gas phase
fi lters that can be used during the IAQ Procedure and provide the end user
with quantitative information for gas phase fi lter selection. Potentially a
large percentage of ASHRAE's engineer members could be infl uenced, in
addition to building operators, HVAC contractors, and equipment installers.
The results from this project will also facilitate development of an improved
gas-phase fi lter Users' Guide for engineers, contractors and installers,
and guidelines for laboratories wishing to implement the Standard and
incorporate the fi lters.
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
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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
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
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ASHRAE Journal - October 2021 - Cover3
ASHRAE Journal - October 2021 - Cover4
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