ASHRAE Journal - October 2021 - 83

RESEARCH REPORT
1806-RP Flammable Refrigerants Post-Ignition Simulation
and Risk Assessment Update
January 2017 - January 2021 (P); Gexcon, US; Principal Investigator: Scott Davis; MTG.
LowGWP
The objective of this project is to understand the Severity of events where
fl ammable refrigerants are ignited under different scenarios for various
HVAC&R products. Such understanding will allow for the assessment of
the overall risks of using fl ammable refrigerants in HVAC&R products,
considering both event Probability and Severity.
1810-RP Development of Reference Building Information
Model (BIM) Test Cases for Improving Usage of
Software Interoperability Schemas
May 2019 - February 2021 (P); BuildSimHub, Inc.; Principal Investigator, Weili Xu; TC 1.5,
Computer Applications
The overall objectives of this research project are: 1) to develop 20+
gbXML test case documents that software vendors can follow to develop
their own gbXML fi les that will then be uploaded to a web-based validator
that will provide feedback on the validity of the fi les.; 2) Develop 20+
corresponding gbXML fi les, 1 for each test case, that provide templates for
software vendors to base their outputs upon; 3) Further develop an existing
web-based validator software tool that will validate the 20+ test cases;
4) Upload all deliverables including software vendor output fi les to data.
ashrae.org. This is all in the name of improving the interoperability experience
between BIM authoring tools and building analysis software tools.
1814-RP Actual Energy Performance of Secondary Schools
and Medium Offices Designed to Comply with
ASHRAE Standard 90.1-2010
September 2018-November 2020; Seventhwave; Principal Investigator, Xiaohui Zhou; TC 2.8,
Building Environmental Impacts & Sustainability; Co-sponsor, TC 7.6, Building Energy Performance
The project will help ASHRAE maintain its leadership position by developing
energy standards and other publications targeted to commercial
buildings that will help engineers, designers, contractors and owners build
and operate progressively more energy-effi cient facilities that deliver acceptable
indoor environmental quality
1816-RP Reporting the Energy Use and Heat Gain from
Imaging Equipment
November 2019 - November 2021 (P); Mazzetti; Principal Investigator, Walt Vernon; TC 9.6,
Healthcare Facilities; Co-Sponsors: TC 4.1 Load Calculation Data and Procedures & TC 4.7 Energy
Calculations
This research will be a valuable addition as it will provide a " more extensive
database for heat gains to air and water for imaging systems " by
building upon both RP-1343 and Standard 203-2014. Once complete, Table
6 " Recommended Heat Gain from Typical Medical Equipment " in Chapter 18
of the ASHRAE Handbook-Fundamentals, Table 4 " Summary of Heat Gain
to Air from Imaging Systems " in Chapter 8 of ASHRAE Handbook- HVAC
Applications, and Chapter 8 Section 4 " Imaging Rooms " of the HVAC Design
1821-RP Design Guide for Low-to-Mid-Rise Multifamily
Residential Buildings
January 2018 - Completed April 2020; New Building Institute; Principal Investigator: Sean
Denniston; Residential Buildings Committee (RBC)
Develop a " Best Practices " Design Guide for stakeholders in the lowto-mid-rise
multifamily building sector to improve energy effi ciency and
indoor environmental quality. This guide is not to be a " minimum " guide as is
common with many standards but should instead direct users toward high
performance buildings. Final materials beyond a formal " book " are welcome,
e.g. online content, videos, etc. are welcome and encouraged, e.g., online.
1823-RP Improved Exhaust-to-Intake Dilution (Concentration)
Calculations
September 2018 - August 2020 (P); Ohio State University; Principal Investigator, Jordan Clark;
Residential Buildings Committee (RBC)
The objective of the proposed study is to determine whether the htop
criterion in Chapter 45 of the 2015 ASHRAE Handbook-HVAC Applications
volume of the ASHRAE Handbook is needed or can be improved upon and
to simplify the methodology so that one surface roughness calculation can
be utilized. If the htop criterion can be eliminated, dilution estimates will be
much less conservative for many real-world exhaust / intake design apO
CTO B E R 2 0 2 1 ashrae.o rg ASHRAE JOURNAL
83
Manual for Hospitals and Clinics can all be updated. Further, the individual
equipment test, and reporting protocol could evolve into consideration for
adoption into an ASHRAE Standard. Without this research, the existing
tables and ASHRAE resources remain incomplete and become less valuable
because they are unable to provide suffi cient guidance to designers,
and energy modelers.
1817-RP Long-term Temperature Change of Ground Heat
Exchangers
September 2020 - February 2022; Syracuse University; Principal Investigator, Bing Dong; TC
6.8, Geothermal Heat Pump and Energy Recovery Applications
Ground source heat pumps have emerged as one of the most effi cient
ways to heat and cool buildings. This technical research will create
information that will allow for more accurate sizing of these systems.
Designers will be able to refi ne their design approach because they will
have a better understanding of how to compensate for long-term ground
temperature change.
1819-RP CO2 Demand Controlled Ventilation in Multiple Zone
VAV Systems with Multiple Recirculation Paths
September 2018 - August 2020 (P); University of Alabama; Principal Investigator, Zheng
O'Neill; TC 4.3, Ventilation Requirements and Infi ltration
This research project is intended to address the second shortcoming:
expanding DCV to include multiple zone VAV systems with multiple
recirculation paths, such as systems with fan-powered terminals and dual
duct systems.
http://www.ashrae.org 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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