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Search Publications by: Andrew K. Persily (Assoc)

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Displaying 76 - 100 of 405

Estimating real-time infiltration for use in residential ventilation control

September 19, 2019
Author(s)
Lisa C. Ng, Stephen M. Zimmerman, Jeremy Good, Brian Toll, Steven J. Emmerich, Andrew K. Persily
Minimum outdoor air ventilation rates specified in standards such as ASHRAE Standard 62.2 are generally based on envelope airtightness, building floor area, geographical location, and number of occupants. ASHRAE Standard 62.2 allows for a constant

Estimating real-time infiltration for use in residential ventilation control

June 18, 2019
Author(s)
Lisa Ng, Stephen M. Zimmerman, Jeremy Good, Brian Tool, Steven Emmerich, Andrew Persily
Minimum outdoor air ventilation rates specified in standards such as ASHRAE Standard 62.2 are generally based on envelope airtightness, building floor area, geographical location, and number of occupants. To meet ventilation requirements in practice

IEQ in Green Buildings

August 1, 2018
Author(s)
Andrew K. Persily
As I complete my fifth and final year as chair of SSPC 189.1, Design of High-Performance Green Buildings, indulge me while I reflect on how this standard and other green building programs have dealt with indoor environmental quality. I have spent my 35+

Development of Airborne Nanoparticle Exposure Modeling Tools

July 27, 2018
Author(s)
William S. Dols, Andrew K. Persily, Brian J. Polidoro
Engineered nanoparticles (ENP) are being used in many applications including consumer products. There are many different means by which ENPs may be incorporated into these products (freely- dispersed, embedded, reactive or passive) which can impact the

Ventilation, IAQ and Filtration in a Net Zero Energy House

May 24, 2018
Author(s)
Andrew K. Persily, Lisa C. Ng, Dustin G. Poppendieck, Steven J. Emmerich
The Net Zero Energy Residential Test Facility (NZERTF) was constructed at the National Institute of Standards and Technology (NIST) to support the development and adoption of cost-effective net zero energy designs and technologies. The 250 m2 two-story

IAQ Assessments in High Performing Building

March 5, 2017
Author(s)
Kevin Teichman, Steven Emmerich, Andrew K. Persily
Despite numerous efforts to encourage good indoor air quality (IAQ) in high-performing buildings, including several building rating programs, measured IAQ performance data in high- performing buildings are limited. This presentation summarizes data that

Final Report - Characterization of Emissions from Spray Polyurethane Foam

October 17, 2016
Author(s)
Dustin G. Poppendieck, Andrew K. Persily, Steven J. Nabinger
This report summarizes NIST activities under the FY2013 interagency agreement between the Consumer Product Safety Commission (CPSC) and the National Institute of Standards and Technology (NIST). The objective of that agreement is to develop testing and

Characterizing Indoor Air Quality Performance Using a Graphical Approach

September 14, 2016
Author(s)
Kevin Y. Teichman, Andrew K. Persily, Steven Emmerich
In this paper, we describe and demonstrate an approach to illustrate the performance of buildings with respect to indoor air quality (IAQ). In the absence of an adequate or agreed-upon IAQ metric(s), we describe a graphical approach to presenting IAQ

The Origin and Application of Leakage-Infiltration Ratios

September 13, 2016
Author(s)
Andrew K. Persily, Max Sherman, Benjamin Jones
Infiltration is the ingress of outdoor air under normal operating conditions through adventitious openings located in the façade of a building. The importance of reducing infiltration to save energy is highlighted by standards and building codes in many
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