Automated experimental modal analysis of bladed wheels with an anthropomorphic robotic station

L Bertini, P Neri, C Santus, A Guglielmo - Experimental Mechanics, 2017 - Springer
Experimental modal analysis is challenging when the component has a highly three-
dimensional shape, since a great number of measurement points are needed with accurate …

Modal parameters evaluation in a full-scale aircraft demonstrator under different environmental conditions using HS 3D-DIC

ÁJ Molina-Viedma, E López-Alba, L Felipe-Sesé… - Materials, 2018 - mdpi.com
In real aircraft structures the comfort and the occupational performance of crewmembers and
passengers are affected by the presence of noise. In this sense, special attention is focused …

Bladed wheels damage detection through Non-Harmonic Fourier Analysis improved algorithm

P Neri - Mechanical Systems and Signal Processing, 2017 - Elsevier
Recent papers introduced the Non-Harmonic Fourier Analysis for bladed wheels damage
detection. This technique showed its potential in estimating the frequency of sinusoidal …

Non-harmonic fourier analysis for bladed wheels damage detection

P Neri, B Peeters - Journal of Sound and Vibration, 2015 - Elsevier
The interaction between bladed wheels and the fluid distributed by the stator vanes results
in cyclic loading of the rotating components. Compressors and turbines wheels are subject …

One exciter per sector test bench for bladed wheels harmonic response analysis

L Bertini, P Neri, C Santus… - … Expo: Power for …, 2017 - asmedigitalcollection.asme.org
Bladed wheel dynamic characterization is a crucial issue to avoid resonance excitations.
The test bench presented in this paper was designed to independently excite the wheel …

Mechanical Behavior of Variable Nozzle Guide Vane Systems Based on Full-Scale Testing

G Macoretta, BD Monelli, P Neri… - … for Gas Turbines …, 2023 - asmedigitalcollection.asme.org
A full-scale test bench for the analysis of frictional and modal behavior of nozzle guide vanes
(NGV) is an advanced tool enabling high design accuracy for these components equipped …

Investigation on the forced response of a radial turbine under aerodynamic excitations

C Ma, Z Huang, M Qi - Journal of Thermal Science, 2016 - Springer
Rotor blades in a radial turbine with nozzle guide vanes typically experience harmonic
aerodynamic excitations due to the rotor stator interaction. Dynamic stresses induced by the …

Full-Scale Vibration Testing of Nozzle Guide Vanes

G Macoretta, BD Monelli, P Neri… - … Expo: Power for …, 2021 - asmedigitalcollection.asme.org
An increasing number of turboexpanders are equipped with Nozzle Guide Vane (NGV) as
the first stator stage. By varying the throat area of the first stator vane the NGV enables an …

Mechanical Behaviour of Variable Nozzle Guide Vane Systems Based on Full-Scale Testing

G Macoretta, BD Monelli, P Neri… - … Expo: Power for …, 2022 - asmedigitalcollection.asme.org
A full-scale test bench for the analysis of frictional and modal behavior of Nozzle Guide
Vanes (NGV) is an advanced tool enabling high design accuracy for these components …

Excitation device for high frequency vibration analysis: design and test results

P Neri - Journal of Vibration and Control, 2018 - journals.sagepub.com
In the present paper, the design and optimization of a high frequency excitation source is
presented. The device was developed for a harmonic response analysis test bench, aimed …