Flow metrology & rheology

News and Updates

Ultraviolet Light Can Clean N95 Masks for Reuse Without Hindering Performance, NIST Study Shows

March 25, 2022

To combat COVID-19 amid supply shortages in 2020, health care facilities across the U.S. resorted to disinfecting personal protective equipment (PPE), such as

Not Letting It Slip By: NIST Discovery Could Increase Accuracy in Measuring Blood Flow for Cancer Diagnosis, Other Applications

March 22, 2022

Researchers at the National Institute of Standards and Technology (NIST) have discovered a potential source of error when using acoustic waves to measure the

A woman wearing safety goggles reaches under a scientific device.

Spotlight: Ran Tao's Investigation Into the Flow of Our World

October 27, 2020

To make a difference in the world, understand the flow, but don’t go with it. The work that NIST guest researcher Ran Tao conducts in rheology, the study of how

Projects and Programs

The NIST Chemistry Webbook

Ongoing

The NIST Chemistry WebBook is a site on the Internet (http://webbook.nist.gov/) that provides convenient access to a variety of physical and chemical property

Material Qualification

Ongoing

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

Dynamic Nanoflow Metrology

Ongoing

Current work, within the NIST on a Chip Program, includes developing microfluidic systems that improve the accuracy of flow measurements, which are fundamental

Understanding Flow Meters

Ongoing

Accurate flow measurements are needed for test fluids, temperatures, pressures, flows, and installation conditions that differ from those used during NIST's

Publications

Disinfection of Respirators with Ultraviolet Radiation

March 25, 2022

Author(s)

Dianne L. Poster, Matthew Hardwick, C Cameron Miller, Michael A. Riley, W. W. Shanaka I. Rodrigo, Andras E. Vladar, John D. Wright, Christopher D. Zangmeister, Clarence Zarobila, Jeremy Starkweather, John Wynne, Jason Yilzarde

Data for interpreting virus inactivation on N95 face filtering respirators (FFRs) by ultraviolet (UV) radiation are important in developing UV strategies for

Optofluidic Flow Meter for sub–nanoliter per minute flow measurements

January 31, 2022

Author(s)

Jalal Sadeghi, Paul Patrone, Anthony J. Kearsley, Gregory A. Cooksey

Performance improvements in microfluidic systems depend on accurate measurement and control of fluids on the micro- and nanoscale, and new applications are

Thermal Boundary Layers in Critical Flow Venturis

July 30, 2021

Author(s)

John D. Wright, Aaron Johnson, Michael R. Moldover, Woong Kang, Liang Zhang, Bodo Mickan

We improve the usefulness of small (diameter

Accelerating Innovation and Commercialization Through Standardization of Microfluidic-Based Medical Devices

January 5, 2021

Author(s)

Darwin R. Reyes-Hernandez, Henne van Heeren, Suvajyoti Guha, Luke Herbertson, Alexios P. Tzannis, Jens Ducr?e, Hugo Bissig, Holger Becker

The microfluidics industry has grown steadily over the last 5 years worldwide, with the market for microfluidic medical devices experiencing a compound growth