A high temperature turbine blade heat transfer multilevel design platform

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskrift

Abstract

In this work, a fast and efficiently design method has been introduced. This design process consists of the overall design and the detailed design. For the overall design, one-dimensional pipe-network computations are employed to obtain several design cases quickly at the beginning. Meanwhile the solid domain geometry and mesh with cooling structures, i.e., film holes, impingement holes, and ribs have been generated to carry out three-dimensional (3-D) heat conduction calculations. Based on the above, a detailed design has been performed by 3-D conjugate heat transfer calculations. The results show that both the average temperature and the mass flow maximum errors between the pipe-network and 3-D conjugate heat transfer calculations are about 10%. In this article, the cooling structure of a gas turbine blade is designed with this platform. The final design results show that the maximum dimensionless temperature on the blade surface is 0.813, i.e., lower than the design requirement. The dimensionless mass flow rate in the first cooling inlet is 0.0168, and the mass flow rate in the secondary inlet is 0.0231.

Detaljer

Författare
Enheter & grupper
Externa organisationer
  • Harbin Institute of Technology
Forskningsområden

Ämnesklassifikation (UKÄ) – OBLIGATORISK

  • Energiteknik
Originalspråkengelska
Sidor (från-till)122-145
Antal sidor24
TidskriftNumerical Heat Transfer; Part A: Applications
Volym79
Utgåva nummer2
Tidigt onlinedatum2020 okt 28
StatusPublished - 2021
PublikationskategoriForskning
Peer review utfördJa