Flow metrology & rheology

News and Updates

Helping the Microchip Industry Go (Very Low) with the Flow

August 22, 2018

A new study by scientists at the National Institute of Standards and Technology (NIST) has uncovered a source of error...

Neutrons by the Numbers

May 21, 2018

After years of research, scientists at the National Institute of Standards and Technology (NIST) have developed and...

Making Smokestack Emissions Tests Better, Faster, Cheaper

February 27, 2018

Smokestacks at coal-fired power plants have sensors that continuously monitor their emissions by measuring the flow of...

A Stopwatch for Nanofluids: NIST Files Provisional Patent for Measuring Nanoliter Flow Rates

January 17, 2018

The National Institute of Standards and Technology (NIST) has filed a provisional patent application for a microflow...

Publications

Rheological Characterization of Next-Generation Ballistic Witness Materials for Body Armor Testing

March 14, 2019

Author(s):

Ran Tao, Kirk D. Rice, Aaron M. Forster, Randy A. Mrozek, Shawn T. Cole, Reygan M. Freeney, Anicet Djakeu Samen

Roma Plastilina No. 1 (RP1), a ballistic clay, is essential for establishing injury limits in standards-based ballistic resistance testing of body armor. It...

Viscosity Measurements of Three Base Oils and One Fully Formulated Lubricant and New Viscosity Correlations for the Calibration Liquid Squalane

February 13, 2019

Author(s):

Arno D. Laesecke, Clemens Junker, Damian S. Lauria

The viscosities of three pentaerythritol tetraalkanoate ester base oils and one fully formulated lubricant were measured with an oscillating piston viscometer...

Upstream vortex and elastic wave in the viscoelastic flow around a confined cylinder

January 28, 2019

Author(s):

Boyang Qin, Paul NMN Salipante, Steven D Hudson, Paulo E. Arratia

The viscoelastic flow past cylinder is a classic benchmark problem that is not completely understood. Using novel holographic particle velocimetry, we report...

Revision to Appendix B of SP 250-78 NIST Calibration Services for Hydrometers

December 06, 2018

Author(s):

John D. Wright

Projects & Programs

Precursor Material Qualification

The lack of repeatable process outcomes from additive manufacturing (AM) has been broadly acknowledged as an impediment to widespread implementation. While...

Material Qualification

The lack of repeatable process outcomes from additive manufacturing (AM) has been broadly acknowledged as an impediment to widespread implementation. While...

AM Machine and Process Qualification

Machines and processes used to produce critical components for defense, aerospace, and medical applications must first be formally qualified. While...

COMPLETED: Polymer Formulations

Our goal is to develop combinatorial and high-throughput measurement approaches for rapid characterization of the structure and phase behavior of...

Flow metrology & rheology

News and Updates

Helping the Microchip Industry Go (Very Low) with the Flow

Neutrons by the Numbers

Making Smokestack Emissions Tests Better, Faster, Cheaper

A Stopwatch for Nanofluids: NIST Files Provisional Patent for Measuring Nanoliter Flow Rates

Publications

Rheological Characterization of Next-Generation Ballistic Witness Materials for Body Armor Testing

Viscosity Measurements of Three Base Oils and One Fully Formulated Lubricant and New Viscosity Correlations for the Calibration Liquid Squalane

Upstream vortex and elastic wave in the viscoelastic flow around a confined cylinder

Revision to Appendix B of SP 250-78 NIST Calibration Services for Hydrometers

Projects & Programs

Precursor Material Qualification

Material Qualification

AM Machine and Process Qualification

COMPLETED: Polymer Formulations

Tools & Instruments

Gravimetric Standard for Liquid Micro-Flow

Liquid Flow Standards

Liquid Density

Wind Tunnel