Nothing Special   »   [go: up one dir, main page]

Ahmed et al., 2023 - Google Patents

A test rig for the full characterization of the dynamics of shrouded turbine blades

Ahmed et al., 2023

Document ID
14478573584619306859
Author
Ahmed R
Firrone C
Zucca S
Publication year
Publication venue
Mechanical Systems and Signal Processing

External Links

Snippet

Highly stressed forced vibrations experienced by Low Pressure Turbine (LPT) blades during their operation can result in high cycle fatigue (HCF) which can ultimately lead to failure. To avoid this occurrence, the vibration amplitudes must be anticipated and reduced. This is …
Continue reading at www.sciencedirect.com (other versions)

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G01M13/02—Testing of gearing or of transmission mechanisms
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014—Type of force applied
    • G01N2203/0016—Tensile or compressive
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/022—Environment of the test
    • G01N2203/0222—Temperature
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
    • G01M7/00—Vibration-testing of structures; Shock-testing of structures
    • G01M7/02—Vibration-testing by means of a shake table
    • G01M7/025—Measuring arrangements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
    • G01M7/00—Vibration-testing of structures; Shock-testing of structures
    • G01M7/08—Shock-testing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0058—Kind of property studied
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
    • G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges, air-craft wings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
    • G01M99/00—Subject matter not provided for in other groups of this subclass
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/08—Testing of mechanical properties

Similar Documents

Publication Publication Date Title
Botto et al. A novel test rig to investigate under-platform damper dynamics
Ahmed et al. A test rig for the full characterization of the dynamics of shrouded turbine blades
Mir-Haidari et al. Nonlinear effects of bolted flange connections in aeroengine casing assemblies
EP1602914A2 (en) An apparatus and a method for testing attachment features of components
Di Maio et al. Development of a test planning methodology for performing experimental model validation of bolted flanges
Dion et al. Improvement of measurement techniques for damping induced by micro-sliding
Dreher et al. In situ, real-time measurements of contact pressure internal to jointed interfaces during dynamic excitation of an assembled structure
Teloli et al. Good practices for designing and experimental testing of dynamically excited jointed structures: The Orion beam
Sever et al. Experimental and numerical investigation of rotating bladed disk forced response using underplatform friction dampers
Umer et al. Measurement of contact parameters on under-platform dampers coupled with blade dynamics
Bessone et al. Investigation on the dynamic response of blades with asymmetric under platform dampers
Firrone Measurement of the kinematics of two underplatform dampers with different geometry and comparison with numerical simulation
Gastaldi et al. A novel test rig for friction parameters measurement on underplatform dampers
Szwedowicz et al. On forced vibration of shrouded turbine blades
Tamatam et al. A novel test rig to study the effect of fretting wear on the forced response dynamics with a friction contact
Umer et al. Friction damping and forced-response of vibrating structures: An insight into model validation
Bhamu et al. Low-cycle fatigue life prediction of LP steam turbine blade for various blade–rotor fixity conditions
Mir-Haidari et al. Advanced test protocols for rapid detection and quantification of nonlinear dynamic responses in aeroengine casing assemblies
Firrone et al. Experimental investigation on the damping effectiveness of blade root joints
Giridhar et al. Gas turbine blade damper optimization methodology
Boeswald et al. Experimental and analytical investigations of non-linear cylindrical casing joints using base excitation testing
Singh et al. Identification of damping mechanism in layered and welded structures
RU2323426C1 (en) Method of checking characteristics of shock absorbers at vibration
Firrone et al. Modelling a friction damper: analysis of the experimental data and comparison with numerical results
Ahmed et al. Experimental Investigation of Three-Dimensional Shroud Contact Forces in Forced-Vibration Testing of a Shrouded Blade