Numerical simulation of unsteady flow field on shock-induced combustion

K. Suzuki, A. Matsuo

Research output: Contribution to conferencePaper

1 Citation (Scopus)

Abstract

A three-dimensional numerical analysis that used two-step chemical reaction model was conducted on the unsteady combustion phenomenon around the supersonic flight body . Regular regime is a very steady mode, and the flow field where axisymmetric was strong. Influence of the grid resolution to the flow field was small. In Large-disturbance regime, the flow field was greatly changed by the changing the projectile diameter. The strength of the reaction shock was so strong that the reaction shocks interacted and distorted the leading bow shock wave strongly. Characteristic phenomena was observed in front of the projectile. Moreover, it has been understood that the flow field, greatly influences the grid resolution, exists.

Original languageEnglish
Publication statusPublished - 2009 Jan 1
Event7th Asia-Pacific Conference on Combustion, ASPACC 2009 - Taipei, Taiwan, Province of China
Duration: 2009 May 242009 May 27

Conference

Conference7th Asia-Pacific Conference on Combustion, ASPACC 2009
CountryTaiwan, Province of China
CityTaipei
Period09/5/2409/5/27

Fingerprint

unsteady flow
Unsteady flow
Flow fields
flow distribution
shock
Computer simulation
Projectiles
projectiles
simulation
supersonic flight
grids
Shock waves
numerical analysis
Numerical analysis
shock waves
Chemical reactions
chemical reactions
disturbances

Keywords

  • Instability combustion oscillation
  • Numerical simulation
  • Shock-induced combustion

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Fuel Technology
  • Chemical Engineering(all)

Cite this

Suzuki, K., & Matsuo, A. (2009). Numerical simulation of unsteady flow field on shock-induced combustion. Paper presented at 7th Asia-Pacific Conference on Combustion, ASPACC 2009, Taipei, Taiwan, Province of China.

Numerical simulation of unsteady flow field on shock-induced combustion. / Suzuki, K.; Matsuo, A.

2009. Paper presented at 7th Asia-Pacific Conference on Combustion, ASPACC 2009, Taipei, Taiwan, Province of China.

Research output: Contribution to conferencePaper

Suzuki, K & Matsuo, A 2009, 'Numerical simulation of unsteady flow field on shock-induced combustion', Paper presented at 7th Asia-Pacific Conference on Combustion, ASPACC 2009, Taipei, Taiwan, Province of China, 09/5/24 - 09/5/27.
Suzuki K, Matsuo A. Numerical simulation of unsteady flow field on shock-induced combustion. 2009. Paper presented at 7th Asia-Pacific Conference on Combustion, ASPACC 2009, Taipei, Taiwan, Province of China.
Suzuki, K. ; Matsuo, A. / Numerical simulation of unsteady flow field on shock-induced combustion. Paper presented at 7th Asia-Pacific Conference on Combustion, ASPACC 2009, Taipei, Taiwan, Province of China.
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AB - A three-dimensional numerical analysis that used two-step chemical reaction model was conducted on the unsteady combustion phenomenon around the supersonic flight body . Regular regime is a very steady mode, and the flow field where axisymmetric was strong. Influence of the grid resolution to the flow field was small. In Large-disturbance regime, the flow field was greatly changed by the changing the projectile diameter. The strength of the reaction shock was so strong that the reaction shocks interacted and distorted the leading bow shock wave strongly. Characteristic phenomena was observed in front of the projectile. Moreover, it has been understood that the flow field, greatly influences the grid resolution, exists.

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