Simulation Study of Thermal Buoyance Influence on Flow Characteristic in Single Outlet Tundish

Jun Fei Fan; Ya Xian Chen; San Bing Ren; Zong Ze Huang; Miao-yong Zhu

doi:10.4028/www.scientific.net/MSF.475-479.3215

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HomeMaterials Science ForumMaterials Science Forum Vols. 475-479Simulation Study of Thermal Buoyance Influence on...

Simulation Study of Thermal Buoyance Influence on Flow Characteristic in Single Outlet Tundish

Abstract:

The distribution of velocity field in single outlet tundish has been simulated through numerical solution of turbulent Navier-Stokes equation in conjunction with e − k turbulence model. The theoretical predicted results have compared with experimental ones, and excellent agreement between them has been achieved. Through comparing the computational data using coupled heat and flow method with that of using uncoupled method, it indicated that it’s necessary to utility the coupled heat and flow method in big size tundish since the thermal buoyance should not be ignored in the calculation.

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Periodical:

Materials Science Forum (Volumes 475-479)

Pages:

3215-3218

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.475-479.3215

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Online since:

January 2005

Authors:

Jun Fei Fan, Ya Xian Chen, San Bing Ren, Zong Ze Huang, Miao-yong Zhu

Keywords:

Fluid Flow, RTD Curves, Simulation, Tundish

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References

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0 0 . 5 1 . 0 1 . 5 2 . 0 2 . 5 3 . 0 3 . 5.

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[1] 0 Dimensionless Concentration D im e n sio n le ss T im e U n c o u p le d C o u p le d Fig. 12 RTD curves comparison (1#).

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0 0. 5 1. 0 1. 5 2. 0 2. 5 3. 0 3. 5.

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[1] 0 Dimensionless Concentration Dim ensionless Tim e Uncoupled Coupled Fig. 13 RTD curves comparison (2#) 1# tundish 2# tundish Item Uncoupled Coupled Err(%) Uncoupled Coupled Err(%) Ta(s) 437. 45 413. 49 -5. 48 173. 16 167. 37 -3. 34 Vp(%) 35. 50 30. 71 -13. 49 44. 60 43. 66 -2. 11 Vm(%) 57. 86 61. 47 6. 24 50. 78 51. 71� 1. 83.

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