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April 23, 2024
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By Gökhan Kahraman and Erdem Isiks
Condensation is an important phenomenon to be avoided in building elements. A study calculated the response of insulation of different thicknesses applied in two different wall types to minimize condensation in a building in four different heat zones in Turkey. The aim was to determine more clearly in which cases the building is protected from moisture damage and the extent to which thermal comfort is provided. Read more
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By Monjed G. Barakat, P.E., Member ASHRAE; Chad Riggs, P.E., Associate Member ASHRAE; Brad Bittmann, Associate Member ASHRAE; and Alicia DeCesaris, P.E., Member ASHRAE
Originally built in 1928 with additions in 1950 and 1965, Aldie Elementary School is designated as a historic building and includes classrooms, cafeteria/multipurpose space, kitchen, library and administrative areas and serves 110 students. As a result of COVID-19, Loudoun County Public Schools renovated the building to provide outdoor air ventilation at levels meeting ASHRAE Standard 62.1-2010 requirements and modernize the building energy and envelope systems. Read more
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The amount of time students spend in school corridors is small compared to time spent in classrooms. But Lisa Ng, Ph.D., Member ASHRAE, believes it’s important for school corridors to be ventilated beyond what’s currently required by ASHRAE Standard 62.1-2022, Ventilation and Acceptable Indoor Air Quality. She joins Journal Technical Editor Rebecca Matyasovski to explain why.
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By Meghan K. McNulty, P.E., Member ASHRAE; Wade H. Conlan, P.E., BCxP, Member ASHRAE
ASHRAE Standard 241’s requirements can make indoor spaces more resilient to the spread of airborne infectious diseases. Buildings that comply with this standard will have the capacity to respond during times of elevated risk with systems that provide the necessary equivalent clean airflow for infection control. This column explores Standard 241’s requirements for operations and maintenance in high-risk times (infection risk management mode) and the importance of creating a Building Readiness Plan. Read more
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Access Month Digital ASHRAE Journal
This month’s issue of ASHRAE Journal includes topics such as how much condensation occurs with various insulation thicknesses, the impact of outdoor air ventilation in school corridors and what a “single pane of glass” interface is. Access the digital edition here.
Past Issues
All articles and columns published in ASHRAE Journal since 1997 are available in pdf format at no cost to members through ASHRAE’s Technology Portal.
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