[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Pickering, 2014 - Google Patents

Methods for validation of a turbomachinery rotor blade tip timing system

Pickering, 2014

View PDF
Document ID
5793085727004351327
Author
Pickering T
Publication year

External Links

Snippet

This research developed two innovative test methods that were used to experimentally evaluate the performance of a novel blade tip timing (BTT) system from Prime Photonics, LC. The research focused on creating known blade tip offsets and tip vibrations so that the …
Continue reading at vtechworks.lib.vt.edu (PDF) (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
    • 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
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • G01H1/003—Measuring characteristics of vibrations in solids by using direct conduction to the detector of rotating machines
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • 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
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/12—Analysing solids by measuring frequency or resonance of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING ENGINES OR PUMPS
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or anti-vibration means on the blades or the members
    • F01D5/12—Blades
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/26—Scanned objects

Similar Documents

Publication Publication Date Title
Pickering Methods for validation of a turbomachinery rotor blade tip timing system
KR101718251B1 (en) Method and system for monitoring rotating blade health
Joung et al. Analysis of vibration of the turbine blades using non-intrusive stress measurement system
Wu et al. Blade crack detection using blade tip timing
Hemberger et al. Investigations on maximum amplitude amplification factor of real mistuned bladed structures
Przysowa et al. Inductive sensors for blade tip-timing in gas turbines
Kielb et al. Experimental study of aerodynamic and structural damping in a full-scale rotating turbine
Szczepanik et al. Tip-timing and tip-clearance for measuring rotor turbine blade vibrations
Krizak et al. Experimental and Computational Study of a Rotating Bladed Disk with Under-Platform Dampers
Hemberger et al. Mistuning modeling and its validation for small turbine wheels
Maywald et al. Vacuum spin test series of a turbine impeller with focus on mistuning and damping by comparing tip timing and strain gauge results
Fan et al. A blade tip-timing method without once-per-revolution sensor for blade vibration measurement in gas turbine engines
Schoenenborn et al. Experimental and analytical mistuning analysis of a blisk at lab conditions and under rig conditions using tip timing
Jeffers et al. A novel technique for the measurement of blade damping using piezoelectric actuators
D’Souza et al. Mistuning and damping experiments at design speed combined with computational tools
Sever et al. Experimental and numerical investigation of rotating bladed disk forced response using under-platform friction dampers
Feiner et al. System identification of mistuned bladed disks from traveling wave response measurements
Xiao et al. Experimental study on the uncertainties of individual blade vibrational parameter estimation based on blade tip timing
Tomassini et al. Blade tip clearance and blade vibration measurements using a magnetoresistive sensor
Langheinrich et al. Validation of a Numerical Model Based on an Optical Surface Scan and Experimental Modal Analyses Under Vacuum Conditions
D'Souza et al. Design of a New Experimental Facility to Investigate the Vibratory Characteristics of Bladed Disks at Operational Speed
Prieto Comparison of Natural Frequencies for Detection of Cracked Rotor Wheels
Ivey et al. Tip timing techniques for turbomachinery HCF condition monitoring
Przysowa et al. Health monitoring of turbomachinery based on blade tip-timing and tip-clearance
Figaschewsky et al. A higher order linear least square fit for the assessment of integral and Non-Integral vibrations with blade tip timing