An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.
Lisa Ng, Dustin Poppendieck, Brian Polidoro, William Dols, Steven Emmerich, Andrew Persily
On March 11, 2020, the World Health Organization declared the novel coronavirus (COVID-19) outbreak a global pandemic. Following this announcement, school
Andrew K. Persily, David A. Yashar, Natascha S. Milesi-Ferretti, Tania Ullah, William M. Healy
Premise plumbing systems provide key building services and exist in the context of a range of performance goals related to building energy efficiency, water
Thermal conductivity measurements at and near room temperature are presented as the basis for certified values of thermal conductivity for SRM 1450e, Fibrous
Nicos Martys, Jeffrey W. Bullard, Pan Feng, Shaoxiong Ye
Solution flow profiles near a mineral surface can have significant influences on the local thermodynamic driving force and, potentially, the rate-controlling
Bruno Hay, Robert R. Zarr, Clark Stacey, Nikolay Sokolov, Leonel Lira Cortes, Ulf Hammerschmidt, Jintao Zhang, Jean Remy Filtz, Fleurence N.
Seven National Metrology Institutes (NMIs) from France, United States, United Kingdom, Russia, Mexico, China and Germany participated in an inter-laboratory
Som Shrestha, Andre Desjarlais, Laverne Dalgleish, Lisa C. Ng, Diana Hun, Steven J. Emmerich, Gina Accawi
Air leakage through the building envelope is responsible for a large amount of energy use. The US Department of Energy Windows and Building Envelope Research
Lisa C. Ng, Shrestha Som, William S. Dols, Steven J. Emmerich
The Department of Energy (DOE) estimates that air leakage (or infiltration) through building envelopes accounted for 6 % of the total energy consumed by
Lisa C. Ng, Lindsey Kinser, Steven J. Emmerich, Andrew K. Persily
The Net Zero Energy Residential Test Facility (NZERTF) was constructed at the National Institute of Standards and Technology (NIST) to support the development
Shahana S. Khurshid, Steven Emmerich, Andrew Persily
The oxidative potential (OP) of particles can be represented by the ability of particles to generate hydroxyl radicals in an aqueous solution which can be
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
The presentation will discuss the application of refrigerants starting from the beginnings of ‘artificial cold' in the era of industrial revolution to the
Using Database-Assisted Design and the Tokyo Polytechnic University Aerodynamic Database, we show that face winds put more structural demand than corner winds
Steven J. Emmerich, Stephen M. Zimmerman, Steven J. Nabinger, Matthew J. Brookman
The U.S. Consumer Product Safety Commission (CPSC) is focused on addressing the hazard of acute carbon monoxide (CO) poisoning of consumers from portable
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
Semi-volatile organic compounds (SVOCs) are ubiquitous indoors and associated with adverse health effects. y0 (the SVOC concentration in air close to the
A new Standard Reference Material (SRM) for portland cement clinker has been produced for the Office of Standard Reference Materials at the National Institute
Natascha S. Milesi-Ferretti, Michael A. Galler, Steven T. Bushby, Robert Leader, J. M. Whitcomb, David W. Rush
This paper presents the use of a semi-automated commissioning tool for the energy retro-commissioning of the Performing Arts Center at Montgomery College in
Matlab Function VoronoiBound calculates a Voronoi diagram with inner and outer bounds. This function is useful in defining tributary areas of pressure taps
The CYCLE_D package simulates vapor compression refrigeration cycles that use pure refrigerants or blends of refrigerants. The model can simulate a basic
As alternatives to refrigerants with a high global warming potential, blends of two or more refrigerants are being utilized as working fluids in heat-pump, air
Christopher C. White, Donald L. Hunston, Adam L. Pintar
Determination of the in-service performance and failure of a building envelope material exposed to outdoor weathering has been a significant research goal for
As building design is being driven towards lower energy use, the relationship between indoor air quality (IAQ) and energy becomes more important due in large