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Dissertations / Theses on the topic 'Savonius rotor'

Author: Grafiati

Published: 4 June 2021

Last updated: 24 July 2025

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1

Záviška, Radek. "Savoniova větrná turbína." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-231799.

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The diploma thesis is focused on designer works of Savounius rotor for Raječko location. Finish of this design work is equipment, which will be used in this location as decentralized source of electrical energy. In thesis are written manufacturing processes as so as the process of design part including the calculation part, which is focused on characteristic quantity of Savonius rotor. Thesis is finished by econominal assessment of project.

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2

Silva, André Filipe Matos da Cruz. "Desempenho de um Rotor de Savonius: avaliação experimental." Master's thesis, Universidade de Aveiro, 2016. http://hdl.handle.net/10773/22250.

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Mestrado em Engenharia Mecânica<br>A energia eólica é atualmente uma fonte de energia renovável utilizada pelo homem através de diferentes mecanismos. O rotor de Savonius, uma turbina de eixo vertical, é uma opção para produção de energia em pequena escala. A produção e venda de energia elétrica à rede pública, fruto de fontes renováveis, é hoje em dia uma opção enquadrada na nossa legislação. Com base no potencial das características dos rotores de Savonius analisou-se experimentalmente quatro configurações diferentes com o intuito de comparar as suas performances, sendo que a configuração

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3

Achilli, Isabella. "Study of a conventional Savonius rotor and optimization of a helical prototype." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amslaurea.unibo.it/15339/.

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The aim of this Master Thesis is to study numerically the aerodynamic performance of two small examples of horizontal axis domestic wind turbines: a conventional Savonius rotor, designed and built by a group of students of the Polytech of Tours (France), and its optimization, a helical Savonius rotor. In the first research project, the exploration is conducted even experimentally, testing the turbine in a wind tunnel present in the Polytech. The numerical investigation is carried out by the use of a software based on Computational Fluid Dynamics named Star CCM+, which helps studying the main

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4

Roth, Neal Joseph. "A prototype design and performance of the Savonius rotor based irrigation system." Thesis, University of British Columbia, 1985. http://hdl.handle.net/2429/25106.

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Important stages in the development of a wind energy operated irrigation system, which is simple in design and easy to maintain, are described from model tests in wind tunnels through to a prototype prepared for field tests. The attention is focussed on gross features of the protoype including the blade geometry and aspect ratio; mast, sleeve and bearing assemblies; braking system and a load matching concept. Described towards the end are the field test arrangements of the prototype and associated instrumentation. Even according to the most conservative estimate, the prototype tests suggest th

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5

Klečka, Jiří. "Větrná elektrárna se Savoniovým rotorem pro výrobu elektrické energie." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2009. http://www.nusl.cz/ntk/nusl-217858.

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Using of wind energy belongs to one of the fastest developing segments in the power production from renewable resources, which also relates to new studies and development of different types of power stations and brings new ideas to small wind sources spheres too. Savonius rotor is included in these spheres as well. This thesis deals with a complete design, realization and trial measurement of single-step Savonius rotor model. Introduction part treats of basic division and rotor utilization. Design part includes the design as well rotor graphical documentation. In the following part there is da

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6

Hořava, Pavel. "Simulace malé větrné elektrárny se Savoniovým-Darrieovým rotorem." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2014. http://www.nusl.cz/ntk/nusl-220933.

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This master‘s thesis deals with the simulation of small wind power plant with Savonius-Darrieus rotor. On the base of the actuator disk theory the performance of modeled power plant is predicted in theoretical part and the power coefficient as well. The process of designing the wind model is also described in this theoretical part. The practical part of this thesis is dedicated to the creating a model of DS300 vertical axis hybrid wind turbine in Matlab/Simulink. This model was used to generating of the power curve of modeled wind power plant and for the computing of power and total produced e

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7

Ôlo, Carlos David Vaz. "Projecto de uma turbina savonius com utilização de componentes em fim-de-vida." Master's thesis, Faculdade de Ciências e Tecnologia, 2012. http://hdl.handle.net/10362/8876.

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Dissertação para obtenção do Grau de Mestre em Engenharia Mecânica<br>O objectivo do presente trabalho, passa por encontrar soluções para a reutilização de componentes em fim-de-vida, usando-os exactamente como se encontram, desempenhando as mesmas funções para que foram projectados, fazendo apenas pequenas adaptações para se adequarem à nova utilização. Para a reutilizar estes componentes a solução escolhida, foi projectar uma turbina eólica, recorrendo a componentes de automóvel. Sendo o vento um recurso natural disponível em grande parte do globo terrestre, torna aliciante a possibilidade

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8

Oliveira, Cássia Pederiva de. "Análise do desempenho de uma turbina savonius helicoidal com torção de 180º empregando simulação numérica." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2014. http://hdl.handle.net/10183/108528.

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Este trabalho apresenta a simulação numérica do escoamento turbulento em torno de uma turbina eólica de eixo vertical de pequeno porte, Savonius tipo helicoidal com torção de 180° nas pás. Com o intuito de avaliar a metodologia computacional empregada os resultados numéricos obtidos são comparados com os resultados experimental e numérico contidos no estado da arte. Também, compara-se o coeficiente de toque da turbina Savonius helicoidal com a turbina Savonius convencional. As simulações numéricas são baseadas no Método de Volumes Finitos, e para tal emprega-se o programa Fluent /Ansys versão

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9

Zingman, Aron (Aron Olesen). "Optimization of a Savonius rotor vertical-axis wind turbine for use in water pumping systems in rural Honduras." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/40927.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2007.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Includes bibliographical references (p. 26).<br>The D-lab Honduras team designed and constructed a wind-powered water pump in rural Honduras during IAP 2007. Currently, the system does not work under its own power and water must be pumped by hand. This thesis seeks to explore a variety of mechanism and aerodynamic changes to allow the system to functio

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10

Akwa, João Vicente. "Estudo numérico e experimental do escoamento sobre um rotor eólico Savonius em canal aerodinâmico com alta razão de bloqueio." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2014. http://hdl.handle.net/10183/100132.

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Neste trabalho, são inicialmente discutidas as dificuldades referentes à obtenção de resultados numéricos para a operação de uma turbina Savonius independentes do grau de discretização, tamanho de domínio de cálculo e de máximo tempo físico simulado. Também são relatadas as divergências entre as metodologias numéricas e experimentais adotadas por diversos autores, que dificultam análises e comparações dos resultados obtidos por meio dessas metodologias com os resultados próprios obtidos. Devido a esses fatos, no presente trabalho, uma série de procedimentos experimentais e numéricos são realiz

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11

Kirke, Brian Kinloch, and n/a. "Evaluation of Self-Starting Vertical Axis Wind Turbines for Stand-Alone Applications." Griffith University. School of Engineering, 1998. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20050916.120408.

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There is an urgent need for economical, clean, sustainable energy supplies, not only in densely populated areas where electricity grids are appropriate, but also in rural areas where stand-alone power supply systems are often more suitable. Although electrical power supply is very versatile and convenient, it introduces unnecessary complexity for some off-grid applications where direct mechanical shaft power can conveniently be provided by a wind turbine. Wind energy is one of the more promising renewable energy sources. Most wind turbines are of the horizontal axis type, but vertical axis win

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12

Kirke, Brian. "Evaluation of Self-Starting Vertical Axis Wind Turbines for Stand-Alone Applications." Thesis, Griffith University, 1998. http://hdl.handle.net/10072/366205.

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There is an urgent need for economical, clean, sustainable energy supplies, not only in densely populated areas where electricity grids are appropriate, but also in rural areas where stand-alone power supply systems are often more suitable. Although electrical power supply is very versatile and convenient, it introduces unnecessary complexity for some off-grid applications where direct mechanical shaft power can conveniently be provided by a wind turbine. Wind energy is one of the more promising renewable energy sources. Most wind turbines are of the horizontal axis type, but vertical axis win

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13

Sundberg, Johanna, Martina Lundberg, Julia Solhed, and Aikaterini Manousidou. "Two-dimensional Study of Blade Profiles for a Savonius Wind Turbine." Thesis, Uppsala universitet, Elektricitetslära, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-412795.

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A Savonius wind turbine is a self-starting vertical axis rotor. It can be designed to be compact in size and also produces less noise which makes it suitable to integrate into urban spaces such as rooftops and sign-poles. These characteristics make it interesting from a sustainability point of view, especially when aiming to increase the decentralization of electricity production. This thesis aimed to investigate the aerodynamic performance of different two-bladed Savonius profiles by varying the blade arc angle and the overlap ratio. For evaluation, the dimensionless power coefficient and tor

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14

Jaohindy, Placide. "Modélisation des systèmes éoliens verticaux intégrés aux bâtiments : modélisation du couple production / Bâtiment." Thesis, La Réunion, 2012. http://www.theses.fr/2012LARE0005/document.

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La technique d'intégration des systèmes éoliens verticaux (VAWT) au service des logements individuels, collectifs et tertiaires est une approche intéressante pour les acteurs de la maitrise d'énergie pour promouvoir une utilisation rationnelle de l'énergie. Le choix de l'implantation d'une éolienne en milieu urbain est déterminé par la hauteur des bâtiments, la vitesse du vent et l'intensité de turbulence du site. Les conditions de vents sévères à faible altitude sont favorables à une implantation de VAWT. Dans certaines villes, la hauteur moyenne des bâtiments est relativement faible et ceci

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15

Doerffer, Krzysztof. "Badania i rozwój prototypów innowacyjnej elektrowni wiatrowej." Rozprawa doktorska, Uniwersytet Technologiczno-Przyrodniczy w Bydgoszczy, 2019. http://dlibra.utp.edu.pl/Content/1912.

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Praca doktorska podejmuje problematykę badania innowacyjnej elektrowni wiatrowej stworzonej do pracy w instalacjach przydomowych o małej mocy<br>This PhD thesis undertakes an issue of the innovative wind mill dedicated to small power plant installation for individual household use

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16

Hampl, Petr. "Design pouliční svítilny s nezávislým napájením." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2009. http://www.nusl.cz/ntk/nusl-228418.

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Oblast problémů, ze kterých konkrétní téma projektu vychází, zahrnuje současnou globální transformaci zdrojů energie a jejich dodávek se zvláštní pozorností na obnovitelné zdroje energie. Důraz je kladen zejména na hodnoty jež přináší produkt určený k užívání ve veřejných prostorách. Autorovým zadáním bylo navrhnout osvětlovací jednotku nezávislou na vnějším zdroji napájení. Cílem návrhu je přehodnotit způsob, jakým jsou dnes technologie využívání sluneční a větrné energie běžně používány, a navrhnout řešení přinášející nové vlastnosti a užitné hodnoty pro přímého uživatele i celou společnost.

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17

Ersson, David, and Robert Yngvesson. "Permakultur i Byggandet : En utredning inför uppförande av en miljöanpassad utbyggnad av skola i Ljusdal." Thesis, Högskolan i Gävle, Avdelningen för bygg- energi- och miljöteknik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-9394.

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Beräkningar visar att det med nuvarande befolkning och en västerländsk levnadsstandard behövs upp till sju jordklot för vår försörjning. Tillsammans förbrukar USA och Europa 2/3 av jordens resurser varav flera därtill redan är överutnyttjade. Jordens nuvarande befolkning förbrukar i dagsläget 120 % mer av jordens resurser än vad som är hållbart. Med den västerländska människans nuvarande genomsnittliga livsstil förmår jorden bara försörja en miljard innevånare på ett hållbart sätt. Ofta är energieffektiviseringar och energibesparingar de lösningar som föreslås för att lösa de problem som det m

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18

Yang, Cheng-Hsun, and 楊承勳. "Numerical Simulation Analysis on Optimized Structure of Savonius Rotor." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/39468230888415566643.

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碩士<br>健行科技大學<br>電機工程系碩士班<br>102<br>Savonius rotor is seldom applied in wind power generation system due to its lower output power. But the rotor with simple structure and low manufacturing cost is still worth to be studied more. Method of computational fluid dynamics simulation is applied to investigate the optimum output power, torque and power coefficient ( ) for three different configuration of Savonius rotors with the same cross section area and upstream wind speed. The tall and thin wind turbine is found to have the maximum output power and . The short and wide wind turbine has the maxim

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19

Chiang, Yi-Hsun, and 江奕勳. "Improving Performance of Savonius Rotor for Harvesting Energy from Water Stream by Local Flow Acceleration." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/54291675464683145916.

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碩士<br>國立交通大學<br>機械工程系所<br>104<br>In this study an experiment is conducted to investigate the possibility of improving the efficiency of extracting kinetic energy from water flow in a rectangular-channel by a Savonius rotor through installing a block upstream of the rotor in the channel. The channel is only partially blocked. The partial channel blockage intends to direct and strengthen the water flow toward the advancing blade of the rotor and meanwhile weaken the flow hitting the returning blade. A small-scale laboratory experimental system is established to test this concept. The rectangular

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20

Lin, Jin-Sheng, and 林晉生. "Numerical Study of the Effect of Geometric Parameters on Dynamic Performance of a Savonius Wind Rotor." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/rav38m.

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碩士<br>國立臺北科技大學<br>能源與冷凍空調工程系碩士班<br>100<br>Wind energy have once again sparked the discussion of the use of green energy because of energy shortage and climate anomalies and recent price increases on the petroleum. Savonius wind turbine has the advantages of low noise, simple structure, low cost and didn’t influence by wind direction, etc. Forecasting the drag type wind turbine will gradually become the mainstream in wind power generation. In this work, a numerical study has been carried out for analyzing the aerodynamic performance of drag type wind turbine. The study discussed about variation

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21

Wang, Pei-Ching, and 王沛晴. "The Study of Identification of Design Factors for Vertical Axis Wind Turbine Blades: Savonius Rotor as Example." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/47790435126680539189.

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碩士<br>中原大學<br>工業與系統工程研究所<br>99<br>Green energy is an alternative key to fossil fuels and the future life. In oil prices led to rises in the cost of power generation and global environmental degradation, coupled with chemical fuel of human dependence on oil is high, resulting in inadequate development of other energy technologies all the circumstances. The importance of renewable energy gradually, regeneration energy technologies can contribute to clean and secure energy in the human environment. Wind energy becomes a new source of energy because of its clean, inexhaustible, low-cost and other

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22

YANG, CHIH-HUANG, and 楊志煌. "Design and Numerical Analysis of Small Helical Savonius Rotors." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/23844887332612484747.

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碩士<br>建國科技大學<br>機械工程系暨製造科技研究所<br>99<br>The air pressure difference between upper and bottom of the rotors is the thrust for the rotation of traditional vertical axis Savonius-type wind turbine. The starting torque for Savonius-type wind turbine is large. However, the negative torque value can occur during the rotating process, reducing the efficiency of wind energy utilization. In this study, the rapid prototyping technology (RP) is used to produce small type Savonius helical rotor. The experimental and simulation methods are performed to explore the aerodynamic and the torque characteristics

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23

Syu, Shu-Yao, and 許書耀. "A Study of the effects of overlaps ratio of Savonius rotors on the output power." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/91317055241556157520.

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碩士<br>建國科技大學<br>機械工程系暨製造科技研究所<br>101<br>ABSTRACT For vertical axis Savonius wind turbine, the starting velocity is low and the output torque is high. The advantages for Savonius wind turbine include the simple structure, low cost and no fixed wind direction. and it is getting more attention recently. In this study, the experimental and simulation methods are performed to investigate the aerodynamic, the torque coefficient and output power coefficient with different values of blade overlap ratio and tip speed ratio. By means of experimental method, the blades of Savonius wind turbine are manuf

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24

Huang, Tien-Yang, and 黃天洋. "The Experimental Study of Power Efficiency of Two-bladed Savonius Wind Rotors in Parallel Matrix System." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/73938809214226416437.

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碩士<br>國立交通大學<br>機械工程學系<br>100<br>This study establishes a four two-bladed Savonius wind rotors system in parallel matrix which is installed at an open field, to generate electric power. Moreover, It employs a computational fluid dynamics (CFD) software, Fluent, to analyze the flow fields and system performance. It can be separated into two sections: effect of curtain and effect of battery. The experiments detect various wind velocity, wind direction and rotational speed of wind rotors to observe the relationship between tip-speed ratio (TSR) and power coefficient (Cp). Finally, compare and ana

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25

Su, Tzu-Po, and 蘇子博. "CFD Analysis for the Improvement on Power Efficiency of Savonius Wind Rotors in Parallel Matrix System." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/01105276645380363530.

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碩士<br>國立交通大學<br>機械工程系所<br>102<br>This study employs a computational fluid dynamics (CFD) software, Fluent, to analyze the flow fields around two-bladed Savonius wind rotors and their corresponding performances. This research includes three cases: the first one is a study of a single Savonius wind rotor, the second is the parallel matrix system, consisting of four two-bladed Savonius wind rotors, and the last one is the parallel matrix system of ten two-bladed Savonius wind rotors. All of the cases are carried out by the corresponding parametric studies, whose parameters include the wind veloci

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