Flow metrology & rheology

News

In Natural Gas Pipelines, NIST Goes with the Flow

April 19, 2013

On an ordinary day, the United States consumes about 70 billion cubic feet of natural gas – enough to fill a space a...

Microreactors: Small Scale Chemistry Could Lead to Big Improvements for Biodegradable Polymers

March 30, 2011

Using a small block of aluminum with a tiny groove carved in it, a team of researchers from the National Institute of...

Publications

Microparticle tracking velocimetry as a tool for microfluidic flow measurements

June 07, 2017

Author(s):

Paul Salipante, Steven D. Hudson, James W. Schmidt, John D. Wright

The accurate measurement of flows in microfluidic channels is important for commercial and research applications. We compare the accuracy of flow measurement...

Reference Correlation for the Viscosity of Carbon Dioxide

March 21, 2017

Author(s):

Arno R. Laesecke, Chris D. Muzny

A comprehensive database of experimental and computed data for the viscosity of carbon dioxide (CO2) was compiled and a new reference correlation was developed...

Jetting of a shear banding fluid in a rectangular duct

March 14, 2017

Author(s):

Paul Salipante, Charles A. Little, Steven D. Hudson

We report on a jetting flow instability of shear banding worm-like micelle (WLM) solutions in microfluidic channels with rectangular cross-sections over an...

Molecular Dynamics Simulation of Trimer Self-Assembly Under Shear

March 06, 2017

Author(s):

Raymond D. Mountain, Harold W. Hatch, Vincent K. Shen

The self-assembly of patchy trimer particles with one attractive bead and two repulsive beads is investigated with nonequilibrium molecular dynamics...

Projects & Programs

COMPLETED: Polymer Formulations

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

Atomic Standard for Pressure

NIST scientists are developing a highly accurate primary standard for pressure in the range 2 MPa to 7 MPa based on fundamental physical properties of helium...

Understanding Flow Meters

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

Smoke Stack Simulator

Today, inconsistencies between measured CO2 emissions and emissions calculated from coal consumption are on the order of 10% to 20%. The objective of this...

Flow metrology & rheology

News

In Natural Gas Pipelines, NIST Goes with the Flow

Microreactors: Small Scale Chemistry Could Lead to Big Improvements for Biodegradable Polymers

Publications

Microparticle tracking velocimetry as a tool for microfluidic flow measurements

Reference Correlation for the Viscosity of Carbon Dioxide

Jetting of a shear banding fluid in a rectangular duct

Molecular Dynamics Simulation of Trimer Self-Assembly Under Shear

Projects & Programs

COMPLETED: Polymer Formulations

Atomic Standard for Pressure

Understanding Flow Meters

Smoke Stack Simulator

Tools & Instruments

Gravimetric Standard for Liquid Micro-Flow

Liquid Flow Standards

Liquid Density

Wind Tunnel