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NIST
Standard Reference Database 103
NIST
ThermoData Engine Version 2.0
ThermoData Engine
is the first product fully implementing all major principles of the
concept of dynamic data evaluation formulated at NIST/TRC. This concept
requires the development of large electronic databases capable of
storing essentially all 'raw' experimental data known to date with
detailed descriptions of relevant metadata and uncertainties. The
combination of these databases with expert software designed primarily
to generate recommended data based on available 'raw' experimental
data and their uncertainties leads to the possibility of producing
data compilations automatically 'to order' forming a dynamic data
infrastructure. The NIST/TRC SOURCE data archival system currently
containing more than 2.5 million experimental data points is used
in conjunction with ThermoData Engine as a comprehensive storage facility
for experimental thermophysical and thermochemical property data.
Currently, this database contains property data for more than 17,000
compounds.
The ThermoData Engine software incorporates all major stages of the
concept implementation, including data retrieval, grouping, normalization,
sorting, consistency enforcement, fitting, and prediction for all
major thermophysical properties (about 50 properties total) including
density, vapor pressure, heat capacity, enthalpies of phase transitions,
critical properties, melting and boiling points etc. The ThermoData
Engine emphasizes enforcement of consistency between related properties
(including those obtained from predictions), provides for flexibility
in selection of default data models depending on the particular data
scenario, incorporates a large variety of models for secondary fitting,
and allows saving of critically evaluated data in the ThermoML format.
The latter assures compatibility of the ThermoData Engine with any
engineering application equipped with a ThermoML software 'reader'.
The scope of
the version 2.0 is limited to the pure chemical compounds. This version
has two new principal features: (1) the ability to generate equations
of state (EOS) on-demand depending on the data scenario (there are
4 types of EOS incorporated) and (2) provision for periodic updates
of the local TDE-SOURCE database that "feeds" TDE via the
Web.
You
may browse the Users'
Guide to see how this database works.
Price:
$3,790.00
System
Requirements: PC with Microsoft® Windows®
Pentium processor, Windows 2000 or XP, and at least 64 Mb memory (256
recommended).
For
more information please contact:
Standard Reference
Data Program
National Institute of Standards and Technology
100 Bureau Dr. Stop 2300
Gaithersburg, MD 20899-2310
(301) 975-2008 (VOICE) (301) 926-0416 (FAX) Contact
Us
The
scientific contact for the database is:
Dr. Michael Frenkel
Thermodynamics Research Center (TRC)
NIST
Physical and Chemical Properties Division (838)
325 Broadway Mailcode 838.00
Boulder, CO 80305-3328
303-497-3952
michael.frenkel@nist.gov
Key
words: thermodynamics; experimental data; data retrieval;
grouping; normalization; sorting; consistency enforcement; fitting;
prediction; thermophysical; thermochemical; ThermoML;Thermodynamics
Research Center
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