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Details of Grant 

EPSRC Reference: EP/R010633/1
Title: Numerical Investigation of Aero-elasticity in Modern Low-Pressure Turbines
Principal Investigator: Rahmati, Dr M
Other Investigators:
Researcher Co-Investigators:
Project Partners:
Applied Computing & Engineering Ltd Imperial College London University of Oxford
Department: Fac of Engineering and Environment
Organisation: Northumbria, University of
Scheme: First Grant - Revised 2009
Starts: 01 February 2018 Ends: 31 January 2020 Value (£): 100,881
EPSRC Research Topic Classifications:
Aerodynamics Fluid Dynamics
EPSRC Industrial Sector Classifications:
Aerospace, Defence and Marine
Related Grants:
Panel History:
Panel DatePanel NameOutcome
04 Oct 2017 Engineering Prioritisation Panel Meeting 4 October 2017 Announced
Summary on Grant Application Form
A feature of modern aeronautical Low Pressure Turbines (LPTs) is their high blade loadings with complex transient and separated flow regimes. This aerodynamic unsteady flow field may interact with blade's structure motion in a complex non-linear fashion leading to flutter and forced response instability. Understanding the physics of onset of flutter for future generations of LPTs is essential in order to examine the vibration stress levels and ensuring blade mechanical integrity. In this project, a novel method is used to explore the mechanism of flutter and forced response in modern LPTs. Using a direct numerical simulation model as a computational wind tunnel, the effects of various sources of unsteadiness on force response and flutter instability of blades will be studied. The numerical model will also be used to identify the relative merits and adequate working range of current low-fidelity numerical methods for modern LPT aeromechanical design and analysis.
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