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Rotor-Stator Mixer 전단효과에 관한 수치 해석적 연구Numerical Analysis on the Effect of High-Shear in a Rotor-Stator Mixer

Other Titles
Numerical Analysis on the Effect of High-Shear in a Rotor-Stator Mixer
Authors
염상훈이석순
Issue Date
Jun-2019
Publisher
항공우주시스템공학회
Keywords
Rotor-Stator Mixer(회전-고정자 혼합기); RKE(Realizable k-epsilon); MRF(Multiple Reference Frames); SMM(Sliding Mesh Model); Turbulence Eddy Dissipation(난류 와류 소산); CFD(전산유체역학)
Citation
항공우주시스템공학회지, v.13, no.5, pp 39 - 48
Pages
10
Indexed
KCI
Journal Title
항공우주시스템공학회지
Volume
13
Number
5
Start Page
39
End Page
48
URI
https://scholarworks.gnu.ac.kr/handle/sw.gnu/10126
DOI
10.20910/JASE.2019.13.5.39
ISSN
1976-6300
2508-7150
Abstract
회전-고정자 혼합기 내의 난류 유동은 고속으로 회전하는 회전자와 고정자의 상호작용에 의해 발생되는 전단특성을 기반으로 한다. 본 연구에서는 유화연료 관련 회전-고정자 혼합기 시제품 모델에서 회전자와 고정자간의 상호작용에 의한 비정상상태 유동 특성 분석을 ANSYS FLUENT k - ε (RKE) 난류 모델을 MRF 및 SMM에 적용하여 수행하였다. 회전자와 고정자의 경계에서 발생하는 유동 입자들의 거동과 전단 특성 그리고 설계 파라미터에 따른 속도분포와 난류와류소산 등의 경향을 전산유체역학 해석을 통해 예측 비교하여 모델의 효율성을 검증하였다.
The turbulent flow in the rotor-stator mixer is based on shear characteristics generated by the interaction of the stator with the rotor rotating at high speed. In this study, the flow characteristics analysis of the unsteady state generated by the interaction of the rotor and the stator in the prototype model of the emulsion-fuel related mixer development was performed with the MRF and SMM by applying the ANSYS FLUENT k - ε (RKE) turbulence model. The behavior and shear characteristics of the flow particles generated at the interface between the designed rotor and stator, and trends such as velocity distribution and turbulence eddy dissipation, were predicted and verified using the CFD analysis.
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