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

Lawson et al., 2005 - Google Patents

Tubomachinery blade vibration amplitude measurement through tip timing with capacitance tip clearance probes

Lawson et al., 2005

View PDF
Document ID
968220255065547158
Author
Lawson C
Ivey P
Publication year
Publication venue
Sensors and Actuators A: Physical

External Links

Snippet

Turbomachinery blade vibrations can cause high cycle fatigue (HCF), which reduces blade life. In order to observe this vibration a non-intrusive monitoring system is sought. The vibration can be detected by measuring blade tip timing since in the presence of vibration …
Continue reading at www.researchgate.net (PDF) (other versions)

Classifications

    • 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
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
    • G01M15/00—Testing of engines
    • G01M15/04—Testing of internal-combustion engines, e.g. diagnostic testing of piston engines
    • G01M15/12—Testing of internal-combustion engines, e.g. diagnostic testing of piston engines by monitoring vibrations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • 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
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic means
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/86—Indirect mass flowmeters, e.g. measuring volume flow and density, temperature or pressure
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P13/00—Indicating or recording presence, absence, or direction, of movement
    • G01P13/02—Indicating direction only, e.g. by weather vane
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency in general
    • G01L3/02—Rotary-transmission dynamometers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow
    • G01F1/74—Devices for measuring flow of a fluid or flow of a fluent solid material in suspension in another fluid

Similar Documents

Publication Publication Date Title
Lawson et al. Tubomachinery blade vibration amplitude measurement through tip timing with capacitance tip clearance probes
Heath et al. A survey of blade tip-timing measurement techniques for turbomachinery vibration
Chen et al. Non-contact crack detection of high-speed blades based on principal component analysis and Euclidian angles using optical-fiber sensors
Rzadkowski et al. Analysis of middle bearing failure in rotor jet engine using tip-timing and tip-clearance techniques
US8380450B2 (en) Determination of blade vibration frequencies and/or amplitudes
Fan et al. Blade vibration difference-based identification of blade vibration parameters: A novel blade tip timing method
US8606541B2 (en) Combined amplitude and frequency measurements for non-contacting turbomachinery blade vibration
Russhard Blade tip timing (BTT) uncertainties
Dreier et al. Interferometric sensor system for blade vibration measurements in turbomachine applications
JP2824523B2 (en) Method and apparatus for measuring fatigue of vibrating member
Neumann et al. A laser-optical sensor system for blade vibration detection of high-speed compressors
CN105466550B (en) Non-homogeneous lack sampling blade tip-timing vibration signal reconstruction method and its device
Lavagnoli et al. High-fidelity rotor gap measurements in a short-duration turbine rig
Ji-wang et al. Blade tip-timing technology with multiple reference phases for online monitoring of high-speed blades under variable-speed operation
Szczepanik et al. Application of blade-tip sensors to blade-vibration monitoring in gas turbines
CN108827567A (en) A kind of blade vibration monitoring experimental rig that sensor setting angle is continuously adjustable
JP2015125146A (en) Methods and systems to monitor health of rotor blades
Ren et al. An error correction blade tip-timing method to improve the measured accuracy of blade vibration displacement during unstable rotation speed
Sheard Blade by blade tip clearance measurement
Zhang et al. Five dimensional movement measurement method for rotating blade based on blade tip timing measuring point position tracking
Szczepanik et al. Tip-timing and tip-clearance for measuring rotor turbine blade vibrations
Oberholster et al. Online condition monitoring of axial-flow turbomachinery blades using rotor-axial Eulerian laser Doppler vibrometry
Fan et al. An improved multiple per revolution-based blade tip timing method and its applications on large-scale compressor blades
Sridhar et al. Tip-clearance measurements on an engine high pressure turbine using an eddy current sensor
Yue et al. The parameter identification method of blade asynchronous vibration under sweep speed excitation