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Search Publications by: Andrew K. Persily (Assoc)

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Displaying 26 - 50 of 405

Development and Application of an Indoor Carbon Dioxide Metric

July 19, 2022
Author(s)
Andrew K. Persily
Indoor carbon dioxide (CO2) concentrations have been considered for decades in evaluating indoor air quality (IAQ) and ventilation, and more recently in discussions of the risk of airborne infectious disease transmission. However, many of these

ASHRAE's New Position Document on Indoor Carbon Dioxide

June 14, 2022
Author(s)
Andrew K. Persily, William Bahnfleth, Howard Kipen, Josephine Lau, Corinne Mandin, Chandra Sekhar, Pawel Wargocki, Lan Chi Nguyen Weekes
Indoor CO2 concentrations are often discussed in the context of ventilation and IAQ, most recently in relation to airborne infectious disease transmission. However, many applications of indoor CO2 measurements do not reflect a sound technical understanding

Indoor Carbon Dioxide Metric Analysis Tool

June 14, 2022
Author(s)
Andrew K. Persily, Brian Polidoro
Indoor carbon dioxide has been used for decades to evaluate indoor air quality (IAQ) and ventilation. However, many applications of CO2 as an indicator or metric of IAQ or ventilation reflect a lack of understanding of the relationship between indoor CO2

Indoor Carbon Dioxide Metric Analysis Tool

March 25, 2022
Author(s)
Andrew K. Persily, Brian Polidoro
Indoor carbon dioxide (CO2) concentrations have been used for decades to evaluate indoor air quality (IAQ) and ventilation, and more recently in discussions of the risk of airborne infectious disease transmission. However, many applications of indoor CO2

Respecting Ventilation: Now More than Ever

January 19, 2022
Author(s)
Andrew K. Persily
At Indoor Air 2005 the author gave a plenary in which he channeled Aretha Franklin to suggest that the IAQ field needed to give ventilation more R-E-S-P-E-C-T. That presentation and subsequent paper (Persily, 2006) stressed the science behind ventilation

Evaluating Ventilation Performance

January 3, 2022
Author(s)
Andrew K. Persily
The evaluation of building ventilation performance is critical to understanding indoor contaminant transport dynamics and interpreting indoor contaminant measurements. However, ventilation performance involves many different issues and metrics that can

Using CO2 Monitoring to Manage Ventilation in Buildings

November 18, 2021
Author(s)
Andrew K. Persily
The measurement of indoor carbon dioxide concentrations has been used for many years to assess and control building ventilation rates, as well as to characterize indoor air quality. Over the years these applications of indoor CO2 monitoring have been

Single-Zone Simulations Using FaTIMA for Reducing Aerosol Exposure in Educational Spaces

September 2, 2021
Author(s)
Lisa Ng, Dustin Poppendieck, Brian Polidoro, William Stuart Dols, Steven Emmerich, Andrew K. Persily
On March 11, 2020, the World Health Organization declared the novel coronavirus (COVID-19) outbreak a global pandemic. Following this announcement, school closures around the United States began, and starting in June 2020, many schools decided to reopen

Single-Zone Simulations Using FaTIMA for Reducing Aerosol Exposure in Educational Spaces

April 8, 2021
Author(s)
Lisa Ng, Dustin Poppendieck, Brian Polidoro, William Stuart Dols, Steven Emmerich, Andrew K. Persily
On March 11, 2020, the World Health Organization declared the novel coronavirus (COVID-19) outbreak a global pandemic. Following this announcement, school closures around the United States began, and starting in June 2020, many schools decided to reopen
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