Moving boundary modeling for solid propellant combustion

Nguyen Dat Vo, Min Young Jung, Dong Hoon Oh, Jung Soo Park, il Moon, Min Oh

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Moving boundary problem frequently occurs in chemical engineering to describe various problems when the boundaries to describe domain keep changing. Combustion of solid propellant is a notorious example, which involves three phases (solid, condensed, and gas phase) and the positions of the interface between phases change in relation to the state of phases. In this study, moving boundary modeling approach was suggested to develop a rigorous mathematical model of solid propellant combustion. The mathematical model of a solid propellant was divided into three sub-models for each phase, which include conservation equations (mass, energy, and momentum conservation) and constitutive equations within the framework of moving interface. Coordinate transformation was carried out to achieve a fixed interface formulation from the moving interface problem, which leads to a fixed domain of each phase ranging from 0 to 1. In order to validate the feasibility of this approach, the mathematical model for the combustion of ammonium perchlorate was developed and dynamic simulation was performed with various operating conditions. The simulation results, including burning rate, temperature, mole fraction, and phase thickness, were compared with various reference data. Based on the comparison, it was concluded that the suggested moving boundary modeling approach can be used for the combustion of solid propellant and can accurately predict dynamic behaviors of the combustion.

Original languageEnglish
Pages (from-to)12-23
Number of pages12
JournalCombustion and Flame
Volume189
DOIs
Publication statusPublished - 2018 Mar 1

Fingerprint

solid propellant combustion
Solid propellants
solid propellants
mathematical models
conservation equations
Mathematical models
chemical engineering
ammonium perchlorates
burning rate
coordinate transformations
Conservation
energy conservation
constitutive equations
solid phases
conservation
Phase interfaces
simulation
Chemical engineering
vapor phases
Constitutive equations

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)
  • Fuel Technology
  • Energy Engineering and Power Technology
  • Physics and Astronomy(all)

Cite this

Vo, Nguyen Dat ; Jung, Min Young ; Oh, Dong Hoon ; Park, Jung Soo ; Moon, il ; Oh, Min. / Moving boundary modeling for solid propellant combustion. In: Combustion and Flame. 2018 ; Vol. 189. pp. 12-23.
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Moving boundary modeling for solid propellant combustion. / Vo, Nguyen Dat; Jung, Min Young; Oh, Dong Hoon; Park, Jung Soo; Moon, il; Oh, Min.

In: Combustion and Flame, Vol. 189, 01.03.2018, p. 12-23.

Research output: Contribution to journalArticle

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