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Chemical Engineering & Processing Programs & Projects

(showing 16 - 30 of 34)
Transient Flow Facility
Last Updated Date: 04/04/2014

Today, demonstration vehicles are refueled with hydrogen from dispensers within 3 to 5 minutes using sequential gas releases from a bank of … more

Smoke Stack Simulator
Last Updated Date: 03/11/2014

Today, inconsistencies between measured CO 2 emissions and emissions calculated from coal consumption are on the order of 10% to 20%. Either a … more

Acoustic Techniques in Fluid Metrology
Last Updated Date: 03/11/2014

The Fluid Metrology Group leads the world in designing and using gas-filled acoustic resonators for measuring the thermodynamic temperature T , … more

Understanding Flow Meters
Last Updated Date: 03/10/2014

Accurate flow measurements are needed for test fluids, temperatures, pressures, flows, and installation conditions that differ from those used … more

In Situ Characterization of Nanoscale Gas-Solid Interactions by TEM
Last Updated Date: 06/28/2013

Observing and measuring the dynamic changes that take place at the nanometer scale during the synthesis and operation of active nanostructures is … more

A Gas Pressure Scale Based on Primary Standard Piston Gauges
Last Updated Date: 06/07/2013

Accurate determinations of pressure are required for diverse applications such as the altitude of aircraft, barometric pressure for weather … more

High-Stability Transfer Standard for the Barometric Pressure Range of 100 Pa to 130 kPa
Last Updated Date: 06/07/2013

NIST has developed a new pressure transfer standard capable of absolute-mode and differential-mode operation in the range of 100 Pa to 130 kPa. … more

Humidity
Last Updated Date: 05/20/2013

The NIST Thermodynamic Metrology Group maintains and develops national standards of humidity (in the range 1 nmol/mol to 0.6 mol/mol of water … more

Thermometry
Last Updated Date: 05/08/2013

The NIST Thermodynamic Metrology Group maintains and develops national standards of temperature (in the range 0.65 K to 1235 K), and supports … more

NIST Chemistry Webbook
Last Updated Date: 02/27/2013

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

Understanding Protein Solution Phase Behavior via Coarse-Grained Modeling
Last Updated Date: 02/14/2013

Much of our knowledge of protein folding comes from experiments on polypeptides in dilute solutions or from theoretical models of isolated … more

Connecting Thermodynamic and Dynamic Properties of Bulk and Confined Fluids
Last Updated Date: 02/13/2013

It is well known that the physical properties of a fluid can change profoundly, and often non-trivially, when placed in a confined environment. … more

Physical Properties of Liquid Precursors
Last Updated Date: 10/02/2012

In striving to adhere to Moore's Law, the semiconductor industry is designing and using new metal-organic compounds. Precursor compounds deliver a … more

Measurements and Modeling of Moist Gases
Last Updated Date: 10/01/2012

Thermophysical properties of gas mixtures containing water are important in several contexts, such as humidity standards and the design of … more

Complex Fluid Analysis with the Advanced Distillation Curve Approach
Last Updated Date: 10/01/2012

Complex fluids may be defined as mixtures in which there are many components, and in which the components span a range of physical and chemical … more

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