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.

Technical Note (NIST TN)

Iris Cameras: Standards Relevant for Camera Selection - 2018

September 18, 2018

Author(s)

James R. Matey, George W. Quinn, Patrick J. Grother, Craig I. Watson, Shahram Orandi

This paper is a summary of our current recommendations for iris camera selection. NIST is developing these recommendations in collaboration with the FBI, other

Thermal Energy Storage for the NIST Net-Zero House Heat Pump

September 18, 2018

Author(s)

Mark A. Kedzierski, William V. Payne, Harrison M. Skye

Spectrum Occupancy and Ambient Power Distributions for the 3.5 GHz Band Estimated from Observations at Point Loma and Fort Story

September 11, 2018

Author(s)

Max Lees, Adam Wunderlich, Peter J. Jeavons, Paul D. Hale, Michael R. Souryal

This report presents descriptive statistics characterizing a set of over 14,000 spectrograms that were recorded by a recent measurement campaign at two coastal

Low-GWP Alternative Refrigerant Blends for HFC-134a

September 7, 2018

Author(s)

Piotr A. Domanski, Mark O. McLinden, Ian H. Bell, Gregory T. Linteris

The goal of this study was to identify non-flammable, non-toxic, low global-warming-potential (GWP) replacements for HFC-134a in an air-conditioning system that

Users Guide to the NIST Data Alignment Tool V1.0

September 4, 2018

Author(s)

Michael A. Galler

The Data Alignment Tool (DAT) was built to assist with the analysis of data used in testing Fault Detection and Diagnostics (FDD) tools and building

REDUCED-ORDER THERMAL ANALYSIS OF FIRE EFFECTS ON COMPOSITE SLABS

September 4, 2018

Author(s)

Jian Jiang, Joseph A. Main, Jonathan M. Weigand, Fahim Sadek

This paper describes a reduced-order modeling approach for thermal analyses of composite slabs with profiled decking. The reduced-order modeling approach

Improving the Economic Viability of Investment in Building Sustainability through the Valuation of Resilience-based Co-Benefits

August 29, 2018

Author(s)

Jennifer F. Helgeson, Eric O'Rear

Alerting under Imminent Threat: Guidance on alerts issued by outdoor siren and short message alerting systems

August 16, 2018

Author(s)

Erica D. Kuligowski, Amanda Kimball

The National Institute of Standards and Technology (NIST)s Technical Investigation of the 2011 Joplin, MO tornado identified that no widely accepted standards

Building Industry Reporting and Design for Sustainability (BIRDS) Commercial Database Technical Manual: Update

August 9, 2018

Author(s)

Joshua D. Kneifel, Eric G. O'Rear, Shannon A. Grubb, Anne L. Greig, Sangwon Suh

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

Building Industry Reporting and Design for Sustainability (BIRDS) Low-Energy Residential Incremental Energy Efficiency Improvements Database Technical Manual: Update

July 23, 2018

Author(s)

Joshua D. Kneifel, Eric G. O'Rear, Priya D. Lavappa, Anne L. Greig, Sangwon Suh

Building Industry Reporting and Design for Sustainability (BIRDS) Building Code-Based Residential Database Technical Manual: Update

July 19, 2018

Author(s)

Joshua D. Kneifel, Eric G. O'Rear, David Webb, Anne Landfield Greig, Sangwon Suh

Building stakeholders need practical metrics, data, and tools to support decisions related to sustainable building designs, technologies, standards, and codes

NIST Special Database 301: Nail to Nail Fingerprint Challenge Dry Run

July 11, 2018

Author(s)

Gregory P. Fiumara, Patricia A. Flanagan, Matthew Schwarz, Elham Tabassi, Christopher Boehnen

In April 2017, the Intelligence Advanced Research Projects Activity (IARPA) held a dry run for the data collection portion of its Nail to Nail (N2N) Fingerprint

Introductory Tutorial for DAD: Design Examples of High-Rise Building for Wind

June 28, 2018

Author(s)

Sejun Park, Donghun Yeo

This report presents the introductory tutorials for the use of the software DAD_ESWL v1.0 capable of computing efficiently the response to wind of mid- and high

Database-Assisted Design and Equivalent Static Wind Loads for Mid- and High-Rise Structures: Concepts, Software, and Users Manual

June 28, 2018

Author(s)

Sejun Park, Donghun Yeo, Emil Simiu

This report presents the software DAD_ESWL v1.0 capable of computing efficiently the response to wind of mid- and high-rise structures consisting of up to

NIST Special Database 300: Uncompressed Plain and Rolled Images from Fingerprint Cards

June 14, 2018

Author(s)

Gregory P. Fiumara, Patricia A. Flanagan, John D. Grantham, Bruce Bandini, Kenneth Ko, John M. Libert

A new collection of legacy inked rolled and plain fingerprint card scans are being released to the public. The cards were scanned at three resolutions in the 8

Estimating Structural Seismic Retrofit Costs for Federal Buildings

June 14, 2018

Author(s)

Juan F. Fung, David T. Butry, Siamak Sattar, Steven L. McCabe

In NIST TN 1973 [1], we develop a methodology for estimating seismic retrofit costs. The general approach is to build a predictive model of seismic retrofit

Juliet 1.3 Test Suite: Changes From 1.2

June 14, 2018

Author(s)

Paul E. Black

The Juliet test suite is a systematic set of thousands of small test programs in C/C++ and Java exhibiting over 100 classes of errors, such as buffer overflow

Calibration of Dynamic Pressure in a Tubing System and Optimized Design of Tube Configuration: A Numerical and Experimental Study

June 12, 2018

Author(s)

Matthew Kovaerk, Luke Amatucci, Keith A. Gillis, Florian Potra, James Ratino, Marc L. Levitan, DongHun Yeo

Accurate prediction of aerodynamic pressures on a building is a key factor in the estimation of wind loads on the building. Since the analytical approach has

Investigation of Residential Cooktop Ignition Prevention Technologies

May 31, 2018

Author(s)

Sung Chan Kim, Anthony Hamins, Matthew Bundy

Several international standards and regulations regarding residential cooktop ignition prevention have existed for as long as a decade. A series of cooking

Investigations on SI-Traceable Dynamic Calibration of Instrumented Charpy Strikers

May 14, 2018

Author(s)

Akobuije D. Chijioke, Nicholas A. Vlajic, Enrico Lucon, Edward C. Mulhern

In this Technical Note, we report on investigations toward an SI-traceable dynamic calibration of instrumented Charpy strikers, performed at NIST from January

'Software Science' revisited: rationalizing Halstead's system using dimensionless units

May 9, 2018

Author(s)

David W. Flater

The set of software metrics introduced by Maurice H. Halstead in the 1970's has seen much scrutiny and not infrequent criticism. This article takes a fresh look

Burning Velocities of Marginally Flammable Refrigerant-Air Mixtures

May 1, 2018

Author(s)

Gregory T. Linteris

Refrigerant working fluids have been predicted to be large contributors to the increase in radiative forcing of the earth. Consequently, existing compounds will

NIST Interlaboratory Study of Aerosol Absorption Measurements using Photoacoustic Spectroscopy

April 27, 2018

Author(s)

Christopher D. Zangmeister, James G. Radney

The National Institute of Standards and Technology coordinated an interlaboratory study for laboratories that use photoacoustic spectroscopy to measure and

The Influence of Walls, Corners and Enclosures on Fire Plumes

March 19, 2018

Author(s)

Kevin B. McGrattan, Michael J. Selepak, Edward J. Hnetkovsky

This report documents two series of compartment fire experiments in which a natural gas burner is positioned in a corner, or against a wall, or inside a steel

A Soot Deposition Gauge for Fire Measurements

March 12, 2018

Author(s)

Amy E. Mensch, Thomas G. Cleary

The goal of this exploratory project is to demonstrate the feasibility of a conductometric measurement to determine the time-resolved soot deposition on

Investigation of Residential Cooking Fire Suppression Technologies

February 12, 2018

Author(s)

Anthony P. Hamins, Daniel Madrzykowski, Sung C. Kim, Jonathan Kent

A wide range of cooking fire experiments were conducted to examine the effectiveness of retrofit residential kitchen fire suppression systems. A series of

National Fire Research Laboratory Commissioning Project: Testing Steel Beams under Localized Fire Exposure

February 5, 2018

Author(s)

Lisa Y. Choe, Selvarajah Ramesh, Matthew S. Hoehler, Mina S. Seif, John L. Gross, Chao Zhang, Matthew F. Bundy

CYCLE_D-HX: NIST Vapor Compression Cycle Model Accounting for Refrigerant Thermodynamic and Transport Properties, Version 1.0; User's Guide

January 16, 2018

Author(s)

Piotr A. Domanski, J S. Brown, Riccardo Brignoli

The CYCLE_D-HX package simulates the performance of single-component refrigerants and refrigerant blends in subcritical vapor-compression refrigeration cycles

Measured Emission Spectra of Selected AWS-3 LTE Transmitters

January 16, 2018

Author(s)

Michael R. Frey, Geoffrey Sanders, Jolene Splett, John M. Ladbury, Frank Sanders, Azizollah Kord, Ryan T. Jacobs

Version three of Advanced Wireless Services (AWS-3) radio systems will soon use spectrum that is adjacent to bands currently used by airborne telemetry links at