Chemical Equilibrium Mixture Computations for Energetic Material Combustion in Closed Vessels

Abstract

A major computational code called CERV was developed to determine complex equilibrium compositions of a non-ideal mixture of numerous imperfect gases and compressible liquid and solid species with phase transitions for closed-vessel applications. This code minimizes Gibbs energy using reaction variables, in contrast to other major codes like BRL-Blake, BRCBagheera and NASA-CEA that use composition variables such as mole numbers. The CERV code has significant advantages in handling compressible condensed species with phase transitions and computing non-ideal mixture compositions accurately and efficiently. Computations are done robustly, without convergence failures from matrix inversions or iterative procedures, for problems with reaction products consisting of hundreds of gaseous, liquid and solid species.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Dec 01, 2004
Accession Number
ADA432904

Entities

People

  • F. C. Wong
  • J. J. Gottlieb
  • L.-s. Lussier

Organizations

  • University of Toronto

Tags

Communities of Interest

  • Ground and Sea Platforms
  • Space
  • Weapons Technologies

DTIC Thesaurus Topics

  • Chemical Equilibrium
  • Chemical Reaction Properties
  • Chemical Reactions
  • Combustion
  • Computational Science
  • Computations
  • Energetic Materials
  • Equations
  • Equations Of State
  • Explosives
  • Gunpowder
  • Materials
  • Military Applications
  • Phase Transformations
  • Solid Phases
  • Thermodynamic Properties
  • Transitions

Readers

  • Combustion science or combustion engineering.
  • Distributed Systems and Data Platform Development
  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)