Experimental research into aeroelastic phenomena in turbine rotor blades inside ARIAS EU project

JM Gallardo, O Bermejo… - Journal of …, 2024 - asmedigitalcollection.asme.org
This paper describes an aeroelastic experimental campaign on a low-pressure turbine-
bladed rotor in a rotating wind tunnel that took place as a part of the Advanced Research …

Improved blade tip timing measurements during transient conditions using a state space model

DH Diamond, PS Heyns, AJ Oberholster - Mechanical Systems and Signal …, 2019 - Elsevier
Rotor blade condition monitoring is considered an important aspect of turbomachine
management, especially with the current trend of systems operating at higher speeds, loads …

A novel method for the design of proximity sensor configuration for rotor blade tip timing

DH Diamond, P Stephan Heyns - … of Vibration and …, 2018 - asmedigitalcollection.asme.org
Blade tip timing (BTT) is a noncontact method for measuring turbomachinery blade vibration.
Proximity sensors are mounted circumferentially around the turbomachine casing and used …

Design of mistuning patterns to control the vibration amplitude of unstable rotor blades

R Corral, O Khemiri, C Martel - Aerospace Science and Technology, 2018 - Elsevier
Flutter onset is one of the major causes for increased vibration levels in low pressure turbine
(LPT) rotor blades. This paper describes the design process and the experimental testing of …

Mistuning evaluation comparison via as-manufactured models, traveling wave excitation, and compressor rigs

DL Gillaugh, AA Kaszynski… - … for Gas Turbines …, 2019 - asmedigitalcollection.asme.org
As-manufactured rotors behave quite differently than nominal as-designed rotors due to
small geometric and material property deviations in the rotor, referred to as mistuning. The …

Mistuned higher-order mode forced response of an embedded compressor rotor—part II: Mistuned forced response prediction

J Li, N Aye-Addo, R Kielb… - Journal of …, 2018 - asmedigitalcollection.asme.org
This paper is the second part of a two-part paper that presents a comprehensive study of the
higher-order mode (HOM) mistuned forced response of an embedded rotor blisk in a …

Mistuning identification technique based on blisk detuning

A Lupini, J Shim, S Callan, BI Epureanu - AIAA Journal, 2021 - arc.aiaa.org
The structural dynamics of turbomachinery bladed disks is of paramount importance to
ensure safety and reliability. Due to their sensitivity to mistuning (that is, any deviation from …

A method for forced response analysis of mistuned bladed disks with aerodynamic effects included

EP Petrov - 2010 - asmedigitalcollection.asme.org
A method has been developed for high-accuracy analysis of forced response levels for
mistuned bladed disks vibrating in gas flow. Aerodynamic damping, the interaction of …

An electromagnetic system for the non-contact excitation of bladed disks

CM Firrone, T Berruti - Experimental mechanics, 2012 - Springer
In this paper a non-contact excitation system based on electromagnets is described. The
system aims at exciting cyclically symmetric structures like bladed disks by generating …

Rotor–stator interactions in a 2.5-stage axial compressor—part II: impact of aerodynamic modeling on forced response

C Sanders, M Terstegen… - Journal of …, 2019 - asmedigitalcollection.asme.org
The main objective of this study is the validation of numerical forced response predictions
through experimental blade vibration measurements for higher order modes of a blade …