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Dissertations / Theses on the topic 'Turgo turbine'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Benzon, Shaun. "The Turgo impulse turbine : a CFD based approach to the design improvement with experimental validation." Thesis, Lancaster University, 2016. http://eprints.lancs.ac.uk/82918/.

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The use of Computational Fluid Dynamics (CFD) has become a well-established approach in the analysis and optimisation of impulse hydro turbines. Recent studies have shown that modern CFD tools combined with faster computing processors can be used to accurately simulate the operation of impulse turbine runners and injectors in timescales suitable for design optimisation studies and which correlate well with experimental results. This work has however focussed mainly on Pelton turbines and the use of CFD in the analysis and optimisation of Turgo turbines is still in its infancy, with no studies

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2

Schrimpel, Michal. "Parovzduchová turbína s využitím přeplňovacích turbodmychadel PBS Turbo." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-227963.

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The purpose of this analysis is used PBS Turbo turbochargers like a steam-air turbine in the Flexible Energy System. The System is analogy of Brayton cycle with high efficiency, but heat is transferred to the cycle through a heat exchanger. Main parts of this work are the literature search, the thermodynamic model of the steam-air cycle, and solution for other possibilities. The goal is to find maximum available electrical output and efficiency. The thermodynamic model is used to: - check computation of the standard turbocharger - computation of the steam-air turbine contain one turbocharger -

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3

Hauser, Vavra Kim Santiago Maria. "Caracterización de Turbina Hidráulica Tipo Turgo para Microgeneración." Tesis, Universidad de Chile, 2011. http://www.repositorio.uchile.cl/handle/2250/104103.

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Ingeniero Civil Mecánico<br>Las microcentrales hidráulicas (centrales de menos de 100 [kW]) representan en Chile un campo de exploración obligatorio en el intento de avanzar hacia un modelo energético país eficiente y sustentable. Diversifican la matriz energética, aumentando la confiabilidad global del sistema, y son aptas para generación distribuida, es decir, inyección y venta de potencias excedentes en la red de distribución, lo que constituye un incentivo directo al consumo eficiente de energía por parte del usuario. En este contexto, el Centro de Energía de la Universidad de Chile desarr

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4

Lapáček, Martin. "Reverzační turbokompresor." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-231809.

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This diploma thesis is dedicated to a design of a reversing turbo-compressor. The thesis is divided into several parts. The introductory part includes the relevant theory and categorization of turbomachines. The second part describes the storage system the machine is designed for. A separate chapter is devoted to other examples of possible use of this machine. The next chapter provides a detail description of modes and individual parts of the machine. The most comprehensive chapter is then devoted to the design of the compressor, turbine calculation and design of integrated gearbox. The thesis

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5

Sansevero, Glaucio. "Controle preditivo baseado em modelo para turbo-geradores hidraulicos tipo Francis." [s.n.], 2006. http://repositorio.unicamp.br/jspui/handle/REPOSIP/258844.

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Orientador: Celso Pascoli Bottura<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Eletrica e de Computação<br>Made available in DSpace on 2018-08-07T10:43:12Z (GMT). No. of bitstreams: 1 Sansevero_Glaucio_M.pdf: 643820 bytes, checksum: 45c53dc9fa719ea530adb309c5ac4ee8 (MD5) Previous issue date: 2006<br>Resumo: Apesar de ter surgido na indústria há mais de 20 anos, o Controle Preditivo Baseado em Modelo (MPC) não encontrou muitas aplicações no campo de controle de máquinas rotativas. A maioria das aplicações hoje são processos químicos e petroquímicos. C

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6

Jousselin, Olivier. "Development of blade tip timing techniques in turbo machinery." Thesis, University of Manchester, 2013. https://www.research.manchester.ac.uk/portal/en/theses/development-of-blade-tip-timing-techniques-in-turbo-machinery(da682144-7009-4cdc-8f52-ff7cd0cf1cf1).html.

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In the current gas turbine market, the traditional design-test-redesign loop is not a viable solution to deploy new products within short timeframes. Hence, to keep the amount of testing to an absolute minimum, theoretical simulation tools like Finite Element Modelling (FEM) have become a driving force in the design of blades to predict the dynamic behaviour of compressor and turbine assemblies in high-speed and unsteady flows. The predictions from these simulation tools need to be supported and validated by measurements. For the past five years, Rolls-Royce Blade Tip Timing (BTT) technology h

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7

Alshammari, Fuhaid. "Radial turbine expander design, modelling and testing for automotive organic Rankine cycle waste heat recovery." Thesis, Brunel University, 2018. http://bura.brunel.ac.uk/handle/2438/16007.

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Since the late 19th century, the average temperature on Earth has risen by approximately 1.1 °C because of the increased carbon dioxide (CO2) and other man-made emissions to the atmosphere. The transportation sector is responsible for approximately 33% of the global CO2 emissions and 14% of the overall greenhouse gas emissions. Therefore, increasingly stringent regulations in the European Union require CO2 emissions to be lower than 95 gCO₂/km by 2020. In this regard, improvements in internal combustion engines (ICEs)must be achieved in terms of fuel consumption and CO2 emissions. Given that o

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8

Atkinson, M. J. "The design of efficient radial turbines for low power applications." Thesis, University of Sussex, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.262695.

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9

Longo, Joel Joseph. "Unsteady Turbomachinery Flow Simulation With Unstructured Grids Using ANSYS Fluent." The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1376875053.

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10

Mehdi, Ahad. "Effect of swirl distortion on gas turbine operability." Thesis, Cranfield University, 2014. http://dspace.lib.cranfield.ac.uk/handle/1826/12129.

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The aerodynamic integration of an aero-engine intake system with the airframe can pose some notable challenges. This is particularly so for many military air- craft and is likely to become a more pressing issue for both new military systems with highly embedded engines as well as for novel civil aircraft configurations. During the late 1960s with the advent of turbo-fan engines, industry became in- creasingly aware of issues which arise due to inlet total pressure distortion. Since then, inlet-engine compatibility assessments have become a key aspect of any new development. In addition to tota

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11

Hettasch, Georg. "Optimization of fir-tree-type turbine blade roots using photoelasticity." Thesis, Stellenbosch : University of Stellenbosch, 1992. http://hdl.handle.net/10019.1/993.

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Thesis (MEng.)-- University of Stellenbosch, 1992. 140 leaves on single pages, preliminary pages i-xi and numbered pages 1-113. Includes bibliography. Digitized at 600 dpi grayscale to pdf format (OCR),using an Bizhub 250 Konica Minolta Scanner and at 300 dpi grayscale to pdf format (OCR), using a Hp Scanjet 8250 Scanner.<br>Thesis (MEng (Mechanical and Mechatronic Engineering))--University of Stellenbosch, 1992<br>ENGLISH ABSTRACT: The large variety of turbo-machinery blade root geometries in use in industry prompted the question if a optimum geometry could be found. An optimum blade root w

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12

Gabrielli, Paolo. "Design and optimization of turbo-expanders for organic rankine cycles." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amslaurea.unibo.it/6829/.

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In a world focused on the need to produce energy for a growing population, while reducing atmospheric emissions of carbon dioxide, organic Rankine cycles represent a solution to fulfil this goal. This study focuses on the design and optimization of axial-flow turbines for organic Rankine cycles. From the turbine designer point of view, most of this fluids exhibit some peculiar characteristics, such as small enthalpy drop, low speed of sound, large expansion ratio. A computational model for the prediction of axial-flow turbine performance is developed and validated against experimental data. Th

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13

Luk, Daniel H. "Steady Heat Transfer Predictions For A Highly Loaded Single Stage Turbine With Flat Tip." The Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=osu1224705112.

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14

Hilding, Emil. "Enthalpy Based Boost Pressure Control." Thesis, Linköpings universitet, Fordonssystem, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-70682.

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A turbo system is driven by the excess energy in the exhaust gases. As a result, variation in exhaust temperature cause variations in boost pressure. By using the information about the available exhaust energy in the turbo controller directly through a feedforward controller, an unexpected variation in turbo boost can be avoided. A model based controller is developed that calculates the desired turbine power from the boost pressure reference and then, by observing the available exhaust energy, controls the generated turbine power to match the desired power. A Mean Value Engine Model h

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15

Scillitoe, Ashley Duncan. "Towards predictive eddy resolving simulations for gas turbine compressors." Thesis, University of Cambridge, 2017. https://www.repository.cam.ac.uk/handle/1810/270030.

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This thesis aims to explore the potential for using large eddy simulation (LES) as a predictive tool for gas-turbine compressor flows. Compressors present a significant challenge for the Reynolds Averaged Navier-Stokes (RANS) based CFD methods commonly used in industry. RANS models require extensive calibration to experimental data, and thus cannot be used predictively. This thesis explores how LES can offer a more predictive alternative, by exploring the sensitivity of LES to sources of uncertainty. Specifically, the importance of the numerical scheme, the Sub-Grid Scale (SGS) model, and the

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16

GUPTA, VIPUL KUMAR. "EFFECTS OF HOT STREAK MANAGEMENT ON SURFACE TEMPERATURE OF FIRST-STAGE TURBINE USING LINEARIZED METHOD." University of Cincinnati / OhioLINK, 2001. http://rave.ohiolink.edu/etdc/view?acc_num=ucin996854670.

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17

Ramunno, Michael Angelo. "Control Optimization of Turboshaft Engines for a Turbo-electric Distributed Propulsion Aircraft." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1587657623577243.

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18

Peng, Kuan. "Comportement d'une butée de groupe turbo-alternateur : aspects théoriques et expérimentaux." Châtenay-Malabry, Ecole centrale de Paris, 1989. http://www.theses.fr/1989ECAP0093.

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19

Karaca, Mehmet. "Overal Performance Prediction Of Turbo Rotary Compound (turc) Engine Using Simulation Results Of Engine Components." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/2/12606491/index.pdf.

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The thesis proposes an overall performance estimation procedure for a new turbo-rotary compound engine (TURC) and an associated novel thermodynamic cycle. In this engine, two or multiple spools are lined up in series within the engine. In the front spool, positive displacement rotary vane type turbines drive axial compressor the performance of which were estimated using stage stacking calculations. In the back spool, axial turbine stages drive positive displacement rotary vane type compressors, the performance of axial turbine was predicted by series matching of turbine stages. Two air streams

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20

Pramono, Hadi Sasongko. "Etude et réalisation de régulateurs adaptatifs numériques de tension et de vitesse d'un groupe turbo-alternateur." Grenoble INPG, 1988. http://www.theses.fr/1988INPG0052.

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Cette thèse décrit l'étude et la réalisation d'un régulateur numérique de groupe turbo alternateur dont les paramètres varient en fonction du point de fonctionnement de la machine. D'abord, une étude comparative d'application de la commande adaptative aux groupes de production est présentée. Les méthodes de commande adaptative comportant le schéma, la stratégie, le type et le nombre de variables sont analysées dans la suite de façon à trouver la plus convenable. Ensuite, est présentée l'étude théorique de la conception de régulateurs adaptatifs modal et optimal. Les performances des régulateur

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21

Gasco, Giorgio. "Bruno Taut e il Ministero della Cultura turco. Traiettorie professionali nella Turchia Repubblicana (1936-1938)." Doctoral thesis, Universitat Politècnica de Catalunya, 2007. http://hdl.handle.net/10803/6092.

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La tesis se compone de cuatro partes. <br/>La primera tiene carácter introductivo, ofreciendo un visión general de la breve pero intensa experiencia profesional de Bruno Taut en Turquía. En particular evidencia como el acercamiento a la modernidad ejercido por Taut, bajo un punto de vista teórico y práctico, haya encontrado perfecta sintonía en el contexto cultural de la joven Republica Turca. Gracias a esta empatía Taut ganó el papel privilegiado de Experto en los debates culturales de aquellos años en el país, no sólo por la propuesta de un lenguaje arquitectónico moderno y al mismo tiempo d

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22

Zou, Aihong. "Uncertainty quantification in high-density fluid radial-inflow turbo-expanders and diffusers for renewable low-grade temperature cycles." Thesis, Queensland University of Technology, 2019. https://eprints.qut.edu.au/128481/1/Aihong_Zou_Thesis.pdf.

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This research investigated the radial-inflow turbo-expander, the conical diffuser, and the annular-radial diffuser using high-density working fluid in typical renewable energy power system. This study highlights the need to achieve a high performance of a whole radial-inflow turbine including a radial-inflow turbo-expander and a new designed annular-radial diffuser in order to improve overall energy conversion efficiency, which is critical to further development of renewable power solutions.

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23

Chanduví, Siesquén Wilder Adrián. "Análisis fluido dinámico y energético de la microturbina J66-8 E&E turbo utilizando hidrógeno como combustible, con herramientas computacionales, para aumentar su empuje." Bachelor's thesis, Universidad Católica Santo Toribio de Mogrovejo, 2018. http://tesis.usat.edu.pe/handle/usat/1290.

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En el presente trabajo se realiza un análisis fluido dinámico y energético de la micro – turbina de gas J66 – 8, para determinar velocidades, presiones y variación de densidades, así como también la evolución de la temperatura y entalpía del aire en cada etapa de la micro – turbina, pero cambiando el combustible tradicional con el que funciona, Jet A1, el cual es un hidrocarburo, un combustible hecho a base de carbono; por un combustible de cero emisiones de carbono en su combustión y con un mayor poder calorífico que cualquier otro, el hidrógeno. Se explica también que, para generar el mismo

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24

Kohut, Vojtěch. "Výroba stlačeného vzduchu v TŽ Třinec." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229816.

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The main purpose of this master’s thesis is description of the current technology of compressed air production in the grounds of Třinecké Železárny, a.s. (TZ). Compressed air for companies in the TZ area is manufactured and distributed by company Energetika Třinec, a.s. (ET). The part of the thesis is the preparation and execution of measurement including evaluation of specific energy consumption for production of compressed air by compressors of ET company. In conclusion there is proposed the possibility of substitution of compressors including the economic evaluation.

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25

Schmalzl, Hans-Peter. "Aufladung von Pkw DI - Ottomotoren mit Abgasturboladern mit variabler Turbinengeometrie." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2006. http://nbn-resolving.de/urn:nbn:de:swb:14-1161446140522-95792.

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Das Konzept „Downsizing“ für Otto- und Dieselmotoren zur Verbesserung von Kraftstoffverbrauch und Schadstoffemission ist inzwischen durch viele praktische Beispiele und theoretische Untersuchungen zweifelsfrei bestätigt worden. Da „Downsizing“ aber untrennbar mit der Aufladung verbunden ist, wächst der Bedarf nach Aufladetechnologien, die das Hauptmanko des „Downsizing“ – das mangelhafte Drehmoment bei niedriger Motordrehzahl – überwinden. Mit zunehmender spezifischer Leistung und damit höheren Aufladegraden tritt diese Problematik immer stärker in den Vordergrund. Vor diesem Hintergrund hat s

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26

Mathison, Randall Melson. "Experimental and Computational Investigation of Inlet Temperature Profile and Cooling Effects on a One and One-Half Stage High-Pressure Turbine Operating at Design-Corrected Conditions." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1250281163.

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27

Bednář, František. "Analýza možností akumulační tepelné elektrárny v podmínkách ČR." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2014. http://www.nusl.cz/ntk/nusl-231650.

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This diploma’s thesis analyzes the possibility of accumulation of thermal power plants in the Czech Republic. The thesis is divided into several parts. The first part describes the different types of storage power plants, the historical development of power storage for compressed air and the appropriateness of their location. The second part is devoted to the design of storage power plant for compressed air in South Moravia. In the next chapter, a calculation is made of all equipment storage power plant, including turbo-compressor, combustion chamber, combustion turbines, the volume of storage

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28

Mohaded, Martín Gabriel. "Diversificación de la matriz energética: diseño de una micro turbina Turgo." Bachelor's thesis, 2018. http://hdl.handle.net/11086/11414.

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Práctica Supervisada (IC)--FCEFN-UNC, 2018<br>Desarrolla una Micro Turbina Hidráulica como forma de obtención de Energía Renovable limpia No Convencional (ERNC), estableciendo un soporte técnico y herramientas de trabajo para futuras generaciones con miras de fomentar su ejecución y extender esta propuesta a las localidades rurales aisladas, carentes del suministro de energía eléctrica

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29

talluri, lorenzo. "Micro turbo expander design for small scale ORC: Tesla turbine." Doctoral thesis, 2019. http://hdl.handle.net/2158/1153897.

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Over the last years, the increase in energy consumption coupled with ever more stringent regulations on pollutants emissions and the massive advent of renewables in the energy market, have promoted the development of distributed energy systems and thus of an increasing interest towards small and micro power generation systems. In this context, the ORC progressively became the leading technology in the field of low size energy conversion systems (<100 kW) and low temperature applications (<150°C). Nonetheless, this technology still deserves further developments, especially regarding the design

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30

Irazusta, María Belén. "Diseño de microturbina Turgo." Master's thesis, 2018. http://hdl.handle.net/11086/11366.

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Trabajo Final Integrador IC (Especialización en Hidráulica)--FCEFN-UNC, 2018<br>Desarrolla la ingeniería de una micro-turbina Turgo, una turbomáquina motora de acción, a chorro libre, turbina que permitirá trabajar en cauces que poseen saltos intermedios pero con bajos caudales, entre las turbinas Francis y Pelton, la cual podrá producir una potencia de 1,5 kw. Establece la factibilidad de construcción de las turbomáquinas con tecnología local, así como adaptar los diseños convencionales del exterior a las condiciones locales, mejorando su eficiencia

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31

Costa, Luís Filipe Gariso Agante. "Desenvolvimento de um sumo de maçã turvo." Master's thesis, 2020. http://hdl.handle.net/10773/28963.

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O sumo de maçã turvo, bebida naturalmente turva com cor amarelo claro, é uma fonte de compostos nutricionalmente importantes, como compostos fenólicos, fibras e vitaminas. Os sumos turvos são normalmente instáveis, devido à degradação da cor, sedimentação precoce e alterações de sabor e aroma durante o processamento e armazenamento, para além da possível proliferação microbiana. O objetivo deste trabalho foi o desenvolvimento de um sumo de maçã turvo estável por um longo período de tempo. Numa primeira fase deste estudo, realizaram-se ensaios com o intuito de perceber qual o efeito da concent

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