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Matteo Dellacasagrande, Davide Lengani, Daniele Simoni and Marina Ubaldi
The bursting phenomenon consists in the switch of a laminar separation bubble from a short to a long configuration. In the former case, reduced effects on profile pressure distribution are typically observed with respect to the attached condition. On the...
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Hao Chen, Luming Liu, Yassine Amirat, Zhibin Zhou, Nadia A?t-Ahmed and Mohamed Benbouzid
Renewable energy generation is increasingly important due to serious energy issues. A Doubly Salient Permanent Magnet Generator (DSPMG) can be an interesting candidate for tidal stream renewable energy systems. However, the special structure makes the sy...
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Alin Ilie Bosioc, Raul-Alexandru Szakal, Adrian Stuparu and Romeo Susan-Resiga
The current requirements of industrialized countries require the use of as much renewable energy as possible. One significant problem with renewable energy is that the produced power fluctuates. Currently, the only method available for energy compensatio...
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Katharina Brinkmann, Thomas Hoffmann, Lars Panning-von Scheidt and Heinrich Stüer
In this work, the vibration response of an academic free-standing turbine blisk is analyzed in regard to transient resonance passages. Measurement data are recorded using strain gauges and tip timing to evaluate the blades first bending mode both linearl...
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Yaping Zhao, Yanrong Li, Jianjun Feng, Mengfan Dang, Yajing Ren and Xingqi Luo
Tubular turbines are widely used in low water head and tidal power development due to their straight flow path, simple structure, and wide efficient area. However, the severe vibration during actual operation greatly affects the safe operation of the tub...
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Rafael Pereira Maciel, Phelype Haron Oleinik, Elizaldo Domingues Dos Santos, Luiz Alberto Oliveira Rocha, Bianca Neves Machado, Mateus das Neves Gomes and Liércio André Isoldi
In this work, we conducted a numerical analysis of an oscillating water column (OWC) wave energy converter (WEC) device. The main objective of this research was to conduct a geometric evaluation of the device by defining an optimal configuration that max...
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Joseph Haxel, Xiaoqin Zang, Jayson Martinez, Brian Polagye, Garrett Staines, Zhiqun Daniel Deng, Martin Wosnik and Patrick O?Byrne
Acoustic emissions from current energy converters remain an environmental concern for regulators because of their potential effects on marine life and uncertainties about their effects stemming from a lack of sufficient observational data. Several recent...
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Mohamad Hmedi, Emre Uzunoglu, Antonio Medina-Manuel, Jordi Mas-Soler, Felipe Vittori, Oscar Pires, José Azcona, Antonio Souto-Iglesias and C. Guedes Soares
This work evaluates the experimental test results regarding the operational performance of a free-float capable tension leg platform with a 10 MW wind turbine. It covers the platform dynamics in the selected installation area: Ribadeo, Spain. The model a...
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Amanda Lopes dos Santos, Cristiano Fragassa, Andrei Luís Garcia Santos, Rodrigo Spotorno Vieira, Luiz Alberto Oliveira Rocha, José Manuel Paixão Conde, Liércio André Isoldi and Elizaldo Domingues dos Santos
The present work aims to develop a computational model investigating turbulent flows in a problem that simulates an oscillating water column device (OWC) considering a Savonius turbine in the air duct region. Incompressible, two-dimensional, unsteady, an...
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Razvan Marius Catana, Gabriel Dediu and Cornel Mihai Tarabîc
The paper presents a detailed study of certain working regimes of a TV2-117A turboshaft engine, based on practical research using experimental data following the engine run tests. The engine run tests were made into the test bench, using a hydraulic dyna...
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