Results 41 to 50 of about 233 (128)
CALIBRATION OF BTT MEASUREMENT WITH RESPECT TO SENSOR POSITION OVER SHROUDED LSB
Acta Polytechnica CTU Proceedings, 2018 In order to increase efficiency and reliability of steam turbines, last stage blades are equipped with mid-span tie-boss and shroud. We can use Blade Tip-Timing method (BTT) to measure vibration of shrouded blades, but the measured level of vibration is ...
Tereza Dadáková, Zdeněk Kubín
doaj +1 more source
Advanced Materials Interfaces, Volume 5, Issue 1, January 9, 2018., 2018 Spiro‐MeOTAD is the most commonly used hole transport material for perovskite solar cells. In this article, various aspects of spiro‐MeOTAD including its properties, additives, stability, alternatives, its applications in perovskite solar cells as well as other applications are reviewed.
Zafer Hawash, Luis K. Ono, Yabing Qi
wiley +1 more source
A novel method for the design of proximity sensor configuration for rotor blade tip timing [PDF]
, 2018 Blade tip timing (BTT) is a noncontact method for measuring turbomachinery blade vibration. Proximity sensors are mounted circumferentially around the turbomachine casing and used to measure the tip displacements of blades during operation.
Heyns, P.S. (Philippus Stephanus) +1 more
core +1 more source
International Journal of Aerospace Engineering, Volume 2018, Issue 1, 2018., 2018 The performance of airplane engines is influenced by the performance of their bladed disks. The loads those engines are under, both internal and external, are the origin of vibrations than can jeopardize their integrity. Traditionally, monitoring of those vibrations has been circumscribed to prototyping and quality tests of manufactured disks. However,
José Miguel Gil-García +3 more
wiley +1 more source
Integrin‐Mediated Cell‐Matrix Interaction in Physiological and Pathological Blood Vessel Formation
Journal of Oncology, Volume 2012, Issue 1, 2012., 2012 Physiological as well as pathological blood vessel formation are fundamentally dependent on cell‐matrix interaction. Integrins, a family of major cell adhesion receptors, play a pivotal role in development, maintenance, and remodeling of the vasculature.
Stephan Niland +2 more
wiley +1 more source
International Journal of Rotating Machinery, Volume 2007, Issue 1, 2007., 2007 Blade tip timing is a technique for the measurement of vibrations in rotating bladed assemblies. Although the fundamentals of the technique are simple, the analysis of data obtained in the presence of simultaneously occurring synchronous resonances is problematic.
J. Gallego-Garrido +3 more
wiley +1 more source
International Journal of Rotating Machinery, Volume 2007, Issue 1, 2007., 2007 Blade tip timing is a technique for the measurement of vibrations in rotating bladed assemblies. In Part I of this work a class of methods for the analysis of blade tip timing data from bladed assemblies undergoing two simultaneous synchronous resonances was developed.
J. Gallego-Garrido +4 more
wiley +1 more source
Nihon Kikai Gakkai ronbunshu, 2023 To develop turbomachinery blades with high reliability, it is indispensable to verify the natural frequency, damping, resonant stress, etc. under operating condition, and utilize these data in the mechanical design of a new blade.
Yasutomo KANEKO +2 more
doaj +1 more source
Blade-Tip Timing Measurement Of Synchronous Vibrations Of Rotating Bladed
, 2002 peer reviewedBlade-tip timing (BTT) is a promising method for the detection, measurement and analysis of blade vibrations in rotating bladed assemblies.
Wright, Jan Robert +3 more
core +1 more source
The Determination of Simultaneous Steady-State Movements Using Blade Tip Timing Data [PDF]
, 2019 Blade tip timing (BTT) includes a number of uncertainties that discourage its use. One of the main ones is the shift in the equilibrium position of the blade tip due to steady (non-oscillatory) bending and/or twisting of the blade, and axial movement of ...
Russhard, Peter +5 more
core +1 more source