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.
The last decade has seen significant growth in the number of IoT devices. These devices can connect to each other and networks. The process through which a new
An operator of a radiation detection system that displays a high rate of false alarms may be- come desensitized to these alarms. This action is known as alarm
This document details methods to compare instrument performance. Comparison methods for instruments outputting binary (0-1) responses as well as for instruments
Matthew S. Speicher, Ivana Olivares, Benjamin W. Schafer
The objective of this report is to assess the adequacy of new provisions in ASCE 41 for seismic assessment of cold-formed steel framed buildings. A two-story
Instrument performance is evaluated through performing a set of tests, and the test results determine whether the instrument meets or fails the standard
Christopher T. Clavin, Avery M. Dabreau, Emily H. Walpole
In the United States, preparing for the impacts of natural hazards is primarily the responsibility of communities and local governments. Increasingly, while
Stanley W. Gilbert, Jennifer F. Helgeson, David H. Webb, Juan F. Fung, Anand M. Kandaswamy
In this paper we set out to identify which risk profiles contribute most to deaths in disasters. A risk profile represents an identifiable group of people who
Recent updates to the underlying cost and environmental data have recently been implemented in the BIRDS database. This study evaluates the updated results for
David H. Webb, Joshua D. Kneifel, Cheyney M. O'Fallon
Residential solar photovoltaic (PV) system installations have become more prevalent as the installed cost has decreased over the last 10 years while system
HVACSIM+ (HVAC SIMulation PLUS other systems) was introduced by the National Institute of Standards and Technology (NIST) in 1985 as a computer simulation tool
Alexander Maranghides, William Mell, Steven Hawks, Eric D. Link, Christopher U. Brown, Cartier P. Murrill, Erin Ashley
The Camp Fire started in the early morning of November 8, 2018 in vegetative fuels to the northeast of Concow, California. Concow is an unincorporated community
Jeffrey A. Jargon, Dylan F. Williams, Angela C. Stelson, Christian J. Long, Aaron M. Hagerstrom, Paul D. Hale, John R. Stoup, Eric S. Stanfield, Wei Ren
In this report, we document the models and dimensional traceability of our WR15 rectangular waveguide standards for performing multiline thru-reflect-line
Roger V. Bostelman, YaShian Li-Baboud, Karl Van Wyk, Mili Shah
Exoskeletons are now being marketed by several manufacturers and yet there are currently no defined methods to measure the exoskeleton fit to the user. Proper
This manual describes the computer program CONTAM version 3.4, developed by NIST. CONTAM is a multizone indoor air quality and ventilation analysis program
A smart grid messaging framework is known as an Open Field Message Bus (OpenFMB, which was ratified by the North American Energy Standards Board (NAESB) in
Michael J. Hegetschweiler, John L. Pagliaro, Lukas Berger, Raik Hesse, Joachim Beeckmann, Heinz Pitsch, Gregory T. Linteris
The burning velocity of mixtures of the refrigerant R-32 (CH2F2) with air over a range of equivalence ratios are studied via spherically expanding flames SEFs
Emily H. Walpole, Erica D. Kuligowski, Lauren B. Cain, Alicea N. Fitzpatrick, Christin Salley
To gain insight into the emergency communication and evacuation decision-making surrounding the 2016 Chimney Tops 2 fire, NIST conducted (via a small business
This report documents heat release rate measurements of various transient combustibles; that is, non-permanent items found in industrial settings that can
Two air-source, split system heat pumps were installed in a residential, net-zero energy home that was constructed as a laboratory on the campus of the National
Small Punch (SP) testing is a methodology that uses tiny disks (generally 8 mm in diameter and 0.5 mm thick) to estimate mechanical properties of metallic
Brandon M. Lane, Shawn P. Moylan, Ho Yeung, Josephine J. Chavez-Chao, Jorge E. Neira
The Additive Manufacturing Metrology Testbed (AMMT) is a fully customized laser powder bed fusion (LPBF) additive manufacturing (AM) research platform designed
James R. Matey, Patrick J. Grother, George W. Quinn
In this paper we present results that expand on the Afghan Girl study by Daugman using gray-scale photographs of 4 subjects taken every year for 40 years: The
James R. Matey, Patrick J. Grother, George W. Quinn
Each year since 1976, the town of Twinsburg, Ohio has held a Twins Day Festival. Over the past 43 years over $77,000$ sets of twins and multiples have attended
William S. Dols, Brian J. Polidoro, Dustin G. Poppendieck, Steven J. Emmerich
The web-based tool Fate and Transport of Indoor Microbiological Aerosols (FaTIMA) allows for the determination of the indoor fate of microbiological aerosols
Ten commercial fire-retardant coatings (FRCs) designed for wood in outdoor applications, either film-forming or non-film forming (stains), and five top-coatings
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
A new approach to characterize airborne firebrands during Wildland Urban Interface (WUI) fires is detailed. The approach merges the following two imaging