Description
2024 BES Session: Thermal Performance of Spandrel Assemblies in Glazed Wall Systems
Course Overview
This session was originally presented at the 2024 IIBEC/OBEC Building Enclosure Symposium in Toronto, Canada. This course includes the following components:
- recording of the live session
- a summative assessment consisting of 10 questions
- two surveys required to claim continuing education credit
Description
While the thermal performance calculation of discrete vision areas in curtainwall and window wall systems is well understood, when combined with opaque spandrels, it often stretches the limits of common evaluation methods. Recently published spandrel simulation procedures continue to struggle with nonstandard sizes, especially small slab bypass units with high frame to center-of-spandrel ratios; heat flow from adjacent assemblies (vision glazing and building components such as walls, floors, and roofs); and evaluation of interior temperatures, particularly near corners and framing intersections. As a result, there is confusion and inconsistent results in spandrel thermal performance values. Several studies show that conventional 2D thermal simulations may overestimate R-values by 30% compared to physical testing or 3D simulations. This presentation summarizes ongoing research that includes literature review, simulations, and laboratory testing. The research objective is to develop improved thermal simulation techniques that more accurately represent the thermal behavior of spandrel assemblies and its integration with the building envelope. We appreciate the RCI-IIBEC Foundation for contributing to this research.
Speaker(s)/Author(s)
Ivan Lee, PEng
Morrison Hershfield
Daniel Haaland, MASc, PEng
Principal, Building Science Engineer
RDH Building Science
Andrea La Greca, PE
Consulting Engineer
Simpson Gumpertz & Heger Inc
Non-presenting Author
Cheryl Saldanha, PE, CPHD
Senior Project Manager, Building Science Practice Leader
Simpson Gumpertz and Heger
Course Access
Courses are accessible in LearnUpon for one year from the date of purchase.
Credit Start Date 8/12/24 Credit Expiration Date 8/12/27
Knowledge Level: Intermediate
IIBEC Core Competencies: Exterior wall
Continuing Education Credit Statement
This course is approved for 1.0 IIBEC CEH
This course is approved for 1.0 AIA LU/Elective
AIA Course Number: BES24_09_OD
AIA Provider Number: G024
Continuing Education Credit Claim Information
To claim IIBEC CEHs, learners are required to:
- Complete the summative assessment
- Complete the course Evaluation & Attestation Survey
After completing the Evaluation & Attestation Survey, learners will be able to download a Certificate of Completion. Learners are responsible for self-reporting IIBEC CEH credit by uploading their Certificate of Completion to their IIBEC Portal. For assistance in self-reporting CEHs, please reach out to: cehs@iibec.org
To claim AIA LU, learners are required to complete the above requirements, as well as:
- Complete the AIA Survey (AIA member number is required)
AIA continuing education Learning Units earned upon completion of this course will be reported to AIA CES for AIA members.
AIA CES Provider statement
IIBEC is a registered provider of AIA-approved continuing education under Provider G024. All registered AIA CES Providers must comply with the AIA Standards for Continuing Education Programs. Any questions or concerns about this provider or this learning program may be sent to AIA CES (cessupport@aia.org or (800) AIA 3837, Option 3).
This learning program is registered with AIA CES for continuing professional education. As such, it does not include content that may be deemed or construed to be an approval or endorsement by the AIA of any material of construction or any method or manner of handling, using, distributing, or dealing in any material or product. AIA continuing education credit has been reviewed and approved by AIA CES. Learners must complete the entire learning program to receive continuing education credit. AIA continuing education Learning Units earned upon completion of this course will be reported to AIA CES for AIA members. Certificates of Completion for both AIA members and non-AIA members are available upon request.
Objectives
At the end of this session, the attendee will be able to:
- Identify the limitations of current thermal simulation methods for spandrel assemblies.
- Evaluate the impact of ventilation in spandrel assemblies.
- Discuss the experimental setup for performing laboratory testing.
- Compare laboratory test results to thermal simulation results.
Certificate
By completing/passing this course, you will attain the certificate On Demand_AIA Elective and CEH
Learning Credits
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