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축방향 홈이 있는 Taylor-Couette 유동의 실험적 연구Experimental Study of Axial Slit Wall Effect on Taylor-Couette Flow
- Other Titles
- Experimental Study of Axial Slit Wall Effect on Taylor-Couette Flow
- Issue Date
- 2007
- Publisher
- 대한기계학회
- Keywords
- Taylor-Couette Flow(Taylor-Couette유동); Slit(슬릿); PIV(입자화상속도계); Refractive Index Matching Method(굴절률 보상기법); Taylor-Couette Flow(Taylor-Couette유동); Slit(슬릿); PIV(입자화상속도계); Refractive Index Matching Method(굴절률 보상기법)
- Citation
- 대한기계학회논문집 B, v.31, no.10, pp 889 - 894
- Pages
- 6
- Indexed
- SCOPUS
KCI
- Journal Title
- 대한기계학회논문집 B
- Volume
- 31
- Number
- 10
- Start Page
- 889
- End Page
- 894
- ISSN
- 1226-4881
- Abstract
- The effect of the axial slit of outer cylinder on Taylor-Couette flow was experimentally investigated. The radius ratio and aspect ratio of the model was 0.825 and 48, respectively. The depth of slits was 5mm and total 18 slits were azimuthally located along the inner wall of outer cylinder. We used PIV method to measure the flow field and applied refractive index matching method to resolve the image distortion due to the complex model geometry. The results showed the axial slit did not affect the transition from laminar Couette flow to Taylor vortex. The effect of slit wall appeared when the Reynolds number is larger than Re=143 and the slit model shows the transition to turbulent Taylor vortex flow above Re=143.
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