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Education

Ph.D. in Chemical Engineering, University of California at Berkeley, 1988

Jobs

1990-1994: Senior Engineer, Thermophysical Methods and Data, Simulation Sciences Inc., Brea, California.

1994-present: Chemical Engineer, Theory and Modeling Group, Physical and Chemical Properties Division, National Institute of Standards and Technology, Boulder, Colorado.

What I Do at Work

About half of my job is more a service function, related to our "Standard Reference Databases". These databases are where NIST provides industry and researchers with the most accurate numbers available for thermophysical properties of fluids. Thermophysical properties are things like the heat of vaporization, the boiling temperature, or the viscosity. My major involvement is with the properties of water in its various forms. This includes creating and maintaining the NIST Standard Reference Database for water properties (described here) and coauthoring the recent revision of the widely used "ASME Steam Tables" book (described here). It also includes being a part of the U.S. delegation to the international organization that sets standards for these properties, the International Association for the Properties of Water and Steam (IAPWS).

The other half of my job is research, mostly oriented around thermophysical properties of systems containing water or of dilute mixtures in general. This has included theory and modeling work on solubility of gases in water, solubility of solids in supercritical fluids, and deviations from ideal-gas behavior in gas mixtures. A list of my publications is here. A Webpage describing some of the work of my group is here.

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