Results 21 to 30 of about 976,747 (247)
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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Flow and Vibration in the Small Steam Turbine Last Stage [PDF]
MATEC Web of Conferences, 2022 The paper deals with evaluation of experimental data obtained from the real-size 30 MW output Waste to Energy steam turbine. For many turbine regimes pressures in the last stage area were obtained.
Hoznedl Michal +2 more
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Parameter Identification of Bladed Assemblies Using a Subspace Method [PDF]
International Journal for Simulation and Multidisciplinary Design Optimization, 2008 This paper is aimed at identifying a dynamical model for bladed assemblies such as turbines. Unknown excitation forces are applied to bladed disk assemblies leading to forced vibration responses.
Salhi Bendali +2 more
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Tipping the Scales of Time [PDF]
Physical Therapy, 2000 I truly am pleased to see so many of you here today and want to thank you from the bottom of my heart for sharing this special day with me … being that this is the last Presidential Address of my term as President. However, to see so many people in the audience reminds me of a comment that was once made by Sir Winston Churchill when he was ...
openaire +1 more source
Sensors, 2017 Safety and performance of the turbo-engine in an aircraft is directly affected by the health of its blades. In recent years, several improvements to the sensors have taken place to monitor the blades in a non-intrusive way.
José Miguel Gil-García +3 more
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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
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Rotating blade vibration parameter identification based on genetic algorithm
Advances in Mechanical Engineering, 2023 In this paper, aiming at the identification of blade vibration parameters such as constant speed synchronization, constant speed asynchronous, and variable speed synchronization, the simulation platform Simulink is used to model the blade vibration ...
Shen Xiangxiang, Chen Guo, Liu Fuhai
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transit-timing/transit-timing: Transit Timing En Masse
, 2022 This repository contains source code for the "TESS Transit Timing of 277 Planets" paper. The repository provides code (1) to process TESS light curves (with 2, 10, or 30-minute sampling) to extract transit times, and (2) to automatically download arXiv ...
transit-timing
core +1 more source
Tip timing techniques for turbomachinery HCF condition monitoring [PDF]
, 2002 High Cycle Fatigue (HCF) has been established as the major common failure mode in the US Air Force large fleet of aero-engines. Corrective measures for this failure mode in themselves deliver additional technical, managerial and cost pressures.
Ivey, P. C. +2 more
core +7 more sources
An Improved Circumferential Fourier Fit (CFF) Method for Blade Tip Timing Measurements
Applied Sciences, 2020 Rotating blade vibration measurements are very important for any turbomachinery research and development program. The blade tip timing (BTT) technique uses the time of arrival (ToA) of the blade tip passing the casing mounted probes to give the blade ...
Zhibo Liu +5 more
doaj +1 more source