Type of Document Master's Thesis Author Negus, Charles H. URN etd-595410211975510 Title An Interactive Chemical Equilibrium Solver for the Personal Computer Degree Master of Science Department Mechanical Engineering Advisory Committee
Advisor Name Title Brown, Eugene F. Dancey, Clinton L. Pierce, Felix J. Committee Chair Keywords
- free energy minimization
- NASA-lewis CEC
- chemical equilibrium
Date of Defense 1997-02-20 Availability unrestricted AbstractAN INTERACTIVE CHEMICAL
EQUILIBRIUM SOLVER FOR THE
Charles Hugh Negus
Felix J. Pierce, Chairman Mechanical Engineering
The Virginia Tech Equilibrium Chemistry (VTEC) code is a keyboard interactive, user friendly, chemical equilibrium solver for use on a personal computer. The code is particularly suitable for a teaching / learning environment. For a set of reactants at a defined thermodynamic state given by a user, the program will select all species in the JANAF thermochemical database which could exist in the products. The program will then calculate equilibrium composition, flame temperature, and other thermodynamic properties for many common cases. Examples in this thesis show VTEC's ability to predict chemical equilibrium compositions and flame temperature for selected reactions, and demonstrate how VTEC can substitute for and aid in the design of lab experiments, and identify trends in parametric studies.
The 1976 NASA Lewis Chemical Equilibrium Code (CEC76) from which VTEC has been adapted uses Lagrangian multipliers to minimize free energy. CEC76 was written for mainframe computer use. Later versions of CEC76, adapted for personal computer use are available for a fee and have a very minimal user interface.
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28.8 Modem 56K Modem ISDN (64 Kb) ISDN (128 Kb) Higher-speed Access APC-_E.DOC 54.78 Kb 00:00:15 00:00:07 00:00:06 00:00:03 < 00:00:01 APC__EDO.PDF 40.35 Kb 00:00:11 00:00:05 00:00:05 00:00:02 < 00:00:01 APP-B_E_DOC.pdf 178.04 Kb 00:00:49 00:00:25 00:00:22 00:00:11 < 00:00:01 CH1-3_E_DOC.pdf 48.92 Kb 00:00:13 00:00:06 00:00:06 00:00:03 < 00:00:01 CH4_E_DOC.pdf 49.06 Kb 00:00:13 00:00:07 00:00:06 00:00:03 < 00:00:01 CH5-7_E_DOC.pdf 76.15 Kb 00:00:21 00:00:10 00:00:09 00:00:04 < 00:00:01 III-_E_DOC.pdf 16.91 Kb 00:00:04 00:00:02 00:00:02 00:00:01 < 00:00:01 TITLE_E_DOC.pdf 6.57 Kb 00:00:01 < 00:00:01 < 00:00:01 < 00:00:01 < 00:00:01
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