Results 41 to 50 of about 2,760,319 (175)
Machines, 2021 A turbomachine is a fundamental engineering apparatus meant to transfer energy between a rotor and a fluid. Turbomachines are the core of power generation in many engineering applications such as electric power generation plants, aerospace, marine power,
Alessandro Paolo Daga +3 more
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New Damped-Jerk trajectory for vibration reduction [PDF]
, 2014 This paper derives a jerk-shaped profile to address the vibration reduction of underdamped flexible dynamics of motion system. The jerk-limited profile is a widespread smooth command pattern used by modern motion systems.
BEAREE, Richard
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Shock and Vibration, 2019 The identification of operational modal parameters of a wind turbine blade is fundamental for online damage detection. In this paper, we use binocular photogrammetry technology instead of traditional contact sensors to measure the vibration of blade and ...
Wenyun Wang, Xuejun Li, Anhua Chen
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High-Precision Extraction Method for Blade Tip-Timing Signal with Eddy Current Sensor
International Journal of Rotating Machinery, 2020 Online monitoring of high-speed rotating blades has always been a hot topic. Of the various methods, the blade tip timing (BTT) technique, based on eddy current sensors, is considered to be the most promising.
Ji-wang Zhang, Ke-qin Ding, Guang Chen
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Uncovering the Root Causes of Stall Flutter in a Wide Chord Fan Blisk
International Journal of Turbomachinery, Propulsion and Power, 2022 Flutter was encountered at part speeds in a scaled wide chord fan blisk designed for a civil aeroengine during a rig test when the fan bypass flow was throttled toward its stall boundary.
Huang Huang, Mingming Yang, Dingxi Wang
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Analysis of Cavitation Instabilities in a Four-Blade Inducer [PDF]
, 2012 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
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Non-contact identification of rotating blade vibration
Mechanical Engineering Journal, 2015 This paper presents a non-contact measurement and diagnostic method for the parametric identification of vibrations of rotating engine blades, based on blade tip-timing (BTT) measured by optical sensors.
Peng WANG +5 more
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Static and dynamic analysis of 1 220 mm steel last stage blade for steam turbine [PDF]
Applied and Computational Mechanics, 2009 The 3 000 rpm 1 220 mm blade for a steam turbine was developed with application of new design features. The last stage moving blade is designed with an integral cover, a mid-span tie-boss connection and a fir-tree dovetail.
Kubín Z., Míšek T.
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Cutting Blade Measurement of an Ultrasonic Cutting Machine Using Multi-Step Detection
Applied Sciences, 2019 An algorithm for measurement of the cutting blade of the ultrasonic vibration cutting machine used in an automation machine is proposed in this paper.
Tae-Gu Kim +3 more
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A Blade Tip Timing Method Based on a Microwave Sensor
Sensors, 2017 Blade tip timing is an effective method for blade vibration measurements in turbomachinery. This method is increasing in popularity because it is non-intrusive and has several advantages over the conventional strain gauge method.
Jilong Zhang +4 more
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