Numerical analysis of rim seal flow in gas turbine secondary air systems with hot gas ingestion and vane cooling

Samaneh Hajikhani, Foad Farhani, Hassan Ali Ozgoli, Seyyed Mostafa Hosseinalipour, Department of Mechanical Engineering, Iranian Research Organization for Science and Technology, School of Engineering, Macquarie University, Department of Mechanical Engineering, Iran University of Science and Technology

Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy

Published online on October 28, 2025

Abstract

Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, Volume 240, Issue 3, Page 323-341, May 2026.
Hot gas ingestion from the main gas path into the wheelspace of gas turbines can lead to severe thermal damage to critical components, reducing operational reliability and lifespan. Hence, predicting and mitigating hot gas ingestion is crucial for ...