The very complex secondary air system in a modern gas turbine may be greatly simplified and integrated into a cycle model without compromising the quality of overall performance results. Calculation examples from single and multi-stage turbines are provided, which describe in detail the reconciliation of interstage bleed flows, their re-introduction into the main gas path and their overall effect on engine performance.

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Secondary Air System

  • Joachim Kurzke,
  • Ian Halliwell,
  • Robert Hill

摘要

The very complex secondary air system in a modern gas turbine may be greatly simplified and integrated into a cycle model without compromising the quality of overall performance results. Calculation examples from single and multi-stage turbines are provided, which describe in detail the reconciliation of interstage bleed flows, their re-introduction into the main gas path and their overall effect on engine performance.