Numerical simulation of slit wall effect on the Taylor vortex flow with radial temperature gradient

Liu, Dong; Chao, Chang-qing; Zhu, Fang-neng; Han, Xi-qiang; Tang, Cheng

doi:http://dx.doi.org/10.5293/IJFMS.2015.8.4.304

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자료유형: 학술저널

저자정보: Liu, Dong Chao, Chang-qing Zhu, Fang-neng Han, Xi-qiang Tang, Cheng

저널정보: 한국유체기계학회 International Journal of Fluid Machinery and Systems International Journal of Fluid Machinery and Systems Vol.8 No.4

발행연도: 2015.12

수록면: 304 - 310 (7page)

DOI: http://dx.doi.org/10.5293/IJFMS.2015.8.4.304

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Numerical simulation was applied to investigate the Taylor vortex flow inside the concentric cylinders with a constant radial temperature gradient. The reliability of numerical simulation method was verified by the experimental results of PIV. The radial velocity and temperature distribution in plain and 12-slit model at different axial locations were compared, and the heat flux distributions along the inner cylinder wall at different work conditions were obtained. In the plain model, the average surface heat flux of inner cylinder increased with the inner cylinder rotation speed. In slit model, the slit wall significantly changed the distribution of flow field and temperature in the annulus gap, and the radial flow was strengthen obviously, which promoted the heat transfer process at the same working condition.

#heat transfer #Slit wall #Taylor vortex flow #temperature gradient #numerical simulation

참고문헌 (11)

참고문헌 신청

[학술지(정기간행물)] - Taylor, G. I. / 1923 / Stability of a viscous liquid contained between two rotating cylinders / Philosophical Transactions of the Royal Society of London. Series A, Containing Papers of a Mathematical or Physical Character 223 : 289 ~ 343

[학술지(정기간행물)] - Yang, W. M. / 2010 / Transformational phenomenon in the field of Taylor-Couette flow / Experimental Techniques 34 (6) : 42 ~ 48

[학술지(정기간행물)] - Kedia, R. / 1998 / Numerical Simulations of Heat Transfer in Taylor-Couette Flow / Journal of heat transfer 120 (1) : 65 ~ 71

[학술지(정기간행물)] - Lee, Y. N. / 1989 / Heat transfer characteristics of the annulus of two-coaxial cylinders with one cylinder rotating / International journal of heat and mass transfer 32 (4) : 711 ~ 722

[학술지(정기간행물)] - Liu Dong / 2012 / Axial Wall Slits Effect on the Helical Flow in the Gap between two Concentric Cylinders / International Journal of Fluid Machinery and Systems 5 (2) : 60 ~ 64

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