Mathematical Modeling of Iron and Steel Making Processes. Swirling Flow Effect in Off-center Immersion Nozzle on Bulk Flow in Billet Continuous Casting Mold.

Yokoya, Shinichiro; Takagi, Shigeo; Kaneko, Mitsunobu; Iguchi, Manabu; Marukawa, Katsukiyo; Hara, Shigeta

doi:10.2355/isijinternational.41.1215

Cited by 15 publications

(16 citation statements)

References 2 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The assumptions made, general transport equations and boundary conditions are specified below. The model is an extension of previous work, [1][2][3][4][5][6][7] where details regarding the transport and turbulence equations can be found.…”

Section: Mathematical Modelmentioning

confidence: 99%

“…[1][2][3][4][5][6][7] Literature review showed that a systematic study of changes in the divergent angle in the immersion nozzle for continuous casting moulds had not been carried out. Therefore, in the present work we aim to investigate the development of flow field and temperature distribution inside the mould and on the meniscus while changing the divergent angle of the immersion nozzle.…”

Section: -7)mentioning

confidence: 99%

“…One way of changing the flow in a nozzle is to use a swirl flow created by a swirl blade. Swirl flow phenomena have been extensively studied by Yokoya et al [1][2][3][4][5][6][7] In the earlier research it was shown that swirl flow helps to control the flow pattern in the mould. In addition, the use of swirl flow enhances heat and mass transfer and helps the superheat in melt to dissipate.…”

Section: Introductionmentioning

confidence: 99%

“…Literature review of several papers by Yokoya et al [1][2][3][4][5][6][7] showed that previous research had focused on applying swirl flow to billet continuous casting (CC) moulds considering only specific divergent angle in the immersion nozzle outlet. Yokoya et al showed that:…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Development of Flow Field and Temperature Distribution during Changing Divergent Angle of the Nozzle When Using Swirl Flow in a Square Continuous Casting Billet Mould

et al. 2007

Self Cite

View full text Add to dashboard Cite

Section: Mathematical Modelmentioning

confidence: 99%

Section: -7)mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Development of Flow Field and Temperature Distribution during Changing Divergent Angle of the Nozzle When Using Swirl Flow in a Square Continuous Casting Billet Mould

et al. 2007

Self Cite

View full text Add to dashboard Cite

“…This swirl flow phenomena have extensively been studied by Yokoya and co-workers. [6][7][8][9][10][11][12] Their results have shown that swirl flow helps to control the flow pattern in the mould. Furthermore, that the use of swirl flow in the immersion nozzle enhances the heat and mass transfer in the mould, which in turn helps the superheat in the melt to dissipate.…”

Section: Introductionmentioning

confidence: 97%

A First Attempt to Implement a Swirl Blade in Production of Ingots

et al. 2010

Self Cite

View full text Add to dashboard Cite

show abstract

Effect of Nozzle Type and Swirl on Flow Pattern for Initial Filling Conditions in the Mould for Up-hill Teeming

Hallgren¹,

Takagi

Tilliander³

et al. 2007

steel research international

View full text Add to dashboard Cite

With increasingly more stringent requirements on steel quality and productivity in uphill teeming production, it is vital to attain more desirable fluid flow conditions in the filling of the mould. In this investigation, physical and mathematical modelling was carried out to study the effects of nozzle type and utilization of a swirl generator in the inlet nozzle on the flow pattern in the ingot mould during the initial filling period. Specific focus was on the effects on the resultant hump and axial velocities. Three cases were considered: 1) a straight nozzle, 2) a divergent nozzle, and 3) a divergent nozzle combined with a swirl generator. It was found that usage of the divergent nozzle, compared to the straight nozzle, resulted in a smaller hump and lower axial velocities in the bath. For the combination of divergent nozzle and swirl generator, these findings were even more pronounced, with the hump practically eliminated, and the axial velocities, as well as the turbulence at the meniscus, significantly lower. The findings of the study suggest that a divergent nozzle combined with a swirling flow generated in the nozzle could be used in the up‐hill teeming process in purpose to get calmer initial filling conditions.

show abstract

Mathematical Modeling of Iron and Steel Making Processes. Swirling Flow Effect in Off-center Immersion Nozzle on Bulk Flow in Billet Continuous Casting Mold.

Cited by 15 publications

References 2 publications

Development of Flow Field and Temperature Distribution during Changing Divergent Angle of the Nozzle When Using Swirl Flow in a Square Continuous Casting Billet Mould

Development of Flow Field and Temperature Distribution during Changing Divergent Angle of the Nozzle When Using Swirl Flow in a Square Continuous Casting Billet Mould

A First Attempt to Implement a Swirl Blade in Production of Ingots

Effect of Nozzle Type and Swirl on Flow Pattern for Initial Filling Conditions in the Mould for Up-hill Teeming

Contact Info

Product

Resources

About