Skip to main content
placeholder image

Optimization of the cooling process of a heavy hydraulic turbine runner band casting in heat treatment

Journal Article


Abstract


  • Hydraulic turbine band castings are susceptible to deformation in heat treatment process if their cooling is not well controlled. The coupled analysis of forced air flow and heat transfer in normalizing process of a heavy turbine band runner casting with outer diameter of 8000 mm was carried out by using ANSYS software. The band undergoes significant deformation because of uneven cooling resulted by uneven air flow around it during normalizing. The forced air flow pattern is a key factor which influences the cooling uniformity and efficiency. It is optimized by adjusting the cooling fans' orientation relative to the casting to form cyclone around it. Consequently, cooling uniformity is improved to avoid deformation. © (2010) Trans Tech Publications.

Authors


  •   Kang, Jinwu (external author)
  •   Wang, Tian-jiao (external author)
  •   Yu, Hai Liang.
  •   Huang, Tianyou (external author)
  •   Liu, Baicheng (external author)

Publication Date


  • 2010

Citation


  • Kang, J., Wang, T. J., Yu, H., Huang, T. & Liu, B. (2010). Optimization of the cooling process of a heavy hydraulic turbine runner band casting in heat treatment. Materials Science Forum, 654-656 1335-1338.

Scopus Eid


  • 2-s2.0-77955495247

Ro Metadata Url


  • http://ro.uow.edu.au/eispapers/100

Number Of Pages


  • 3

Start Page


  • 1335

End Page


  • 1338

Volume


  • 654-656

Abstract


  • Hydraulic turbine band castings are susceptible to deformation in heat treatment process if their cooling is not well controlled. The coupled analysis of forced air flow and heat transfer in normalizing process of a heavy turbine band runner casting with outer diameter of 8000 mm was carried out by using ANSYS software. The band undergoes significant deformation because of uneven cooling resulted by uneven air flow around it during normalizing. The forced air flow pattern is a key factor which influences the cooling uniformity and efficiency. It is optimized by adjusting the cooling fans' orientation relative to the casting to form cyclone around it. Consequently, cooling uniformity is improved to avoid deformation. © (2010) Trans Tech Publications.

Authors


  •   Kang, Jinwu (external author)
  •   Wang, Tian-jiao (external author)
  •   Yu, Hai Liang.
  •   Huang, Tianyou (external author)
  •   Liu, Baicheng (external author)

Publication Date


  • 2010

Citation


  • Kang, J., Wang, T. J., Yu, H., Huang, T. & Liu, B. (2010). Optimization of the cooling process of a heavy hydraulic turbine runner band casting in heat treatment. Materials Science Forum, 654-656 1335-1338.

Scopus Eid


  • 2-s2.0-77955495247

Ro Metadata Url


  • http://ro.uow.edu.au/eispapers/100

Number Of Pages


  • 3

Start Page


  • 1335

End Page


  • 1338

Volume


  • 654-656