Results 11 to 20 of about 11,806 (306)
At present, there are very few vibration test designs for compressor stator blades in damped blade test research, and there is a lack of consideration of the holding ring structure of the blade installation.
Jiaobin Ma +3 more
doaj +1 more source
There are many kinds of assembly structures in heavy-duty gas turbine compressor stator blades which have significant influence on the complex damping vibration characteristics.
Jiaobin Ma +3 more
doaj +1 more source
Effect of blade tips ice on vibration performance of wind turbines
There are abundant wind resources in cold regions. Therefore, it is essential to systematically study some icing situation of wind turbines blades (especially the blade tip area) to reduce the loss of wind turbines blades caused by faults, which has ...
Yuanjun Dai +4 more
doaj +1 more source
Flutter Prediction Method for Long Blade of Steam Turbine
A three-dimensional fluid-solid coupling calculation model of long blade of steam turbine was established based on the aerodynamic and structural vibration simulation platform. Taking the second last stage blade of a foreign 60Hz steam turbine unit as an
Changchun LIU +4 more
doaj +1 more source
A description of the stand based on a digital speckle interferometer with a diffuse reference wave and separated branches is given, which allows determining the natural frequencies and vibration modes of objects in real time.
Mykhaylo Tkach +5 more
doaj +1 more source
A circular saw blade is a commonly used tool in wood processing. The transverse vibration of the saw blade plays an important role in processing quality during cutting and affects its service life as well.
Xinyu Yan +5 more
doaj +1 more source
The Study of Wind Turbine Blade Fatigue Test [PDF]
The fatigue test of wind turbine blade is an important means to verify the fatigue life of wind turbine blade. This paper analyses the problems existing in the fatigue test of wind turbine blade, focuses on the excitation mode, the relationship between ...
Zheng Jiaqi +7 more
doaj +1 more source
Turbocharger blade vibration: Measurement and validation through laser tip-timing [PDF]
High Cycle Fatigue (HCF) of turbine blades is a major cause of failure in turbochargers. In order to validate changes to blades intended to reduce fatigue failure, accurate measurement of blade dynamics is necessary. Strain gauging has limitations, so an
Allport, John +11 more
core +1 more source
Analysis of Cavitation Instabilities in a Four-Blade Inducer [PDF]
The cavitating behavior of a four-blade inducer tested in the LML laboratory large test facility is considered in the present paper. Experimental investigations based on unsteady pressure measurements and records from a six-component balance mounted on ...
DAZIN, Antoine +7 more
core +1 more source
Identification of Vibration Events in Rotating Blades Using a Fiber Optical Tip Timing Sensor
The blade tip timing (BTT) technique has been widely used in rotation machinery for non-contact blade vibration measurements. As BTT data is under-sampled, it requires complicated algorithms to reconstruct vibration parameters.
Dechao Ye +5 more
doaj +1 more source

