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http://dx.doi.org/10.5139/JKSAS.2009.37.9.863

Unsteady Three-Dimensional Analysis of Transverse Fuel Injection into a Supersonic Crossflow using Detached Eddy Simulation Part I : Non-Reacting Flowfield  

Won, Su-Hee (서울대학교 기계항공공학부 대학원, 부산대학교 부품소재산학협력연구소)
Jeung, In-Seuck (서울대학교 기계항공공학부, 항공우주신기술연구소)
Choi, Jeong-Yeol (부산대학교 항공우주공학과)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.37, no.9, 2009 , pp. 863-878 More about this Journal
Abstract
Unsteady three-dimensional flowfield generated by transverse fuel injection into a supersonic mainstream is simulated with a DES turbulence model. Comparisons are made with experimental results in terms of the temporal eddy position and eddy formation frequency. The vorticity field around the jet exit is also analyzed to understand the formation mechanism of the large eddy structures. Results indicate that the DES model correctly predicts the convection characteristics of the large scale eddies. However, it is also observed that the numerical results slightly over-predict the eddy formation frequency. The large eddy structures are generated as the counter-rotating vortices are detached alternately in the upstream recirculation region.
Keywords
DES(Detached Eddy Simulation); Penetration Height; Convection Characteristics; Eddy Formation Mechanism;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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