Дисертації з теми "Wind tunnel cascade test"
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Baydar, Adem. "Hot-wire measurements of compressor blade wakes in a cascade wind tunnel/." Thesis, Monterey, California. Naval Postgraduate School, 1988. http://hdl.handle.net/10945/23254.
Повний текст джерелаHamilton, Christianne Rhea. "Design of Test Sections for a High Enthalpy Wind Tunnel." MSSTATE, 2003. http://sun.library.msstate.edu/ETD-db/theses/available/etd-04082003-114126/.
Повний текст джерелаSparks, Russell. "A novel six degree of freedom dynamic wind tunnel test facility." Thesis, University of Manchester, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.492066.
Повний текст джерелаMurray, Kenneth Douglas. "Automation and extension of LDV measurements of off-design flow in a cascade wind tunnel." Thesis, Monterey, California. Naval Postgraduate School, 1989. http://hdl.handle.net/10945/25708.
Повний текст джерелаTourn, Cremona Silvana Cecilia. "Characterization of a New Open Jet Wind Tunnel to Optimize and Test Vertical Axis Wind Turbines." Doctoral thesis, Universitat Rovira i Virgili, 2017. http://hdl.handle.net/10803/461079.
Повний текст джерелаBasado en el creciente interés en las tecnologías ambientales urbanas, el estudio de turinas de eje vertical de pequeña escala muestra desafíos motivadores. En esta tesis, se presentan los criterios de diseño, las características y potencialidades de un nuevo túnel de viento de seccion de prueba abierta. Tiene un área de salida e la boquilla del túnel de 1,5 x 1,5 m2, y se puede operar con velocidades de salida de 3 m/s a 17 m/s. La caracterización del flujo se ha llevado a cabo con tubos pitot calibrados, anemómetros de cazoletas y anemómetros de hilo caliente. Se consideran dos configuraciones diferentes del área de prueba, con y sin techo. Las mediciones en el rango de velocidades de salida disponibles muestran que la sección transversal, donde las intensidades de velocidad y turbulencia muestran un nivel aceptable de uniformidad, tiene un área de 0,8 x 0,8 m2 y una dimensión de 2 m desde la salida de la boquilla del túnel. En esta sección de trabajo, la intensidad máxima de la turbulencia es del 4%. La caracterización detallada del flujo realizado indica que el túnel de viento se puede utilizar para probar modelos a de aerogeneradores de pequeña escala.
Based on the increasing interest in urban environmental technologies, the study of small scale vertical axis wind turbines shows motivating challenges. In this thesis, we present the design criteria, characteristics and potentials of a new open jet wind tunnel. It has a nozzle exit area of 1.5 x1.5 m2, and it can be operated with exit velocities from 3 m/s to 17 m/s. The characterization of the flow has been carried out with calibrated pitot tubes, cup anemometers, and hot wire anemometers. Two different configurations of the test area, with and without a ceiling, are considered. Measurements in the range of available exit velocities show that the cross section, where the velocity and turbulence intensities show an acceptable level of uniformity, has an area of 0.8 x 0.8 m2 and a streamwise dimension of 2 m from the nozzle exit of the tunnel. In this working section, the maximum turbulence intensity is 4%. The detailed characterization of the flow carried out indicates that the wind tunnel can be used to test small scale models of wind turbines.
Dalley, Sam. "Wind tunnel measurements on a low rise building and comparison with full-scale." Thesis, University of Surrey, 1993. http://epubs.surrey.ac.uk/886/.
Повний текст джерелаCapasso, Michael Anthony. "Construction and wind tunnel test of a 1/12th scale helicopter model." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1994. http://handle.dtic.mil/100.2/ADA288487.
Повний текст джерелаHamm, Christopher Eric. "AN ASSESSMENT OF FLOW QUALITY IN AN OPEN TEST SECTION WIND TUNNEL." MSSTATE, 2009. http://sun.library.msstate.edu/ETD-db/theses/available/etd-11022009-115210/.
Повний текст джерелаJames, Ralph William. "The effect of boundary layer blowing in the corner region of a linear compressor cascade wind tunnel." Thesis, This resource online, 1995. http://scholar.lib.vt.edu/theses/available/etd-05092009-040547/.
Повний текст джерелаMuthanna, Chittiappa. "The Effects of Free Stream Turbulence on the Flow Field through a Compressor Cascade." Diss., Virginia Tech, 2002. http://hdl.handle.net/10919/28753.
Повний текст джерелаPh. D.
Ying, Pei. "Aerodynamic analysis of a novel wind turbine for an omni-flow wind energy system." Thesis, University of Hertfordshire, 2016. http://hdl.handle.net/2299/17355.
Повний текст джерелаWestin, Michelle Fernandino. "Aeroelastic modeling and experimental analysis of a flexible wing for wind tunnel flutter test." Instituto Tecnológico de Aeronáutica, 2010. http://www.bd.bibl.ita.br/tde_busca/arquivo.php?codArquivo=1121.
Повний текст джерелаRogers, Daniel R. "Design of a Three-Passage Low Reynolds Number Turbine Cascade with Periodic Flow Conditions." Diss., CLICK HERE for online access, 2008. http://contentdm.lib.byu.edu/ETD/image/etd2684.pdf.
Повний текст джерелаBin, Ab Wahab Abas. "The development of computer package for determining and solving pedestrian wind environmental discomfort and its wind tunnel validity test." Thesis, University of Salford, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.305099.
Повний текст джерелаTaylor, Nigel John. "Adaptive wall technology for two-dimensional wind tunnel testing at high subsonic through to low supersonic speeds." Thesis, University of Southampton, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.294622.
Повний текст джерелаBroughton, Cabot A. Carleton University Dissertation Engineering Aeronautical. "Experimental investigation of slotted wall wind tunnel test sections for low interference road vehicle testing." Ottawa, 1990.
Знайти повний текст джерелаSidelko, Stephanie. "Benchmark of aerodynamic cycling helmets using a refined wind tunnel test protocol for helmet drag research." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/40486.
Повний текст джерелаIncludes bibliographical references (leaf 30).
The study of aerodynamics is very important in the world of cycling. Wind tunnel research is conducted on most of the equipment that is used by a rider and is a critical factor in the advancement of the sport. However, to date, a comprehensive study of time-trial helmets has not been performed. This thesis presents aerodynamic data for the most commonly used time-trial helmets in professional cycling. The helmets were tested at a sweep of yaw angles, from 0⁰ to 15⁰, in increments of 5⁰. The helmets were tested at three head angle positions at each yaw angle in order to best mimic actual riding conditions. A control road helmet was used to serve as a comparative tool. In order to maintain manufacturer confidentiality, the helmets were all randomly assigned variables. Thus, the thesis presents ranges of benefit and drag numbers, but does not rank by helmet name. The testing results showed that aerodynamic helmets offer drag reduction over a standard road helmet. The best and the worst performing helmets are all more aerodynamic than a road helmet.
by Stephanie Sidelko.
S.B.
Ehrmann, Robert S. "Development of Measurement Methods for Application to a Wind Tunnel Test of an Advanced Transport Model." DigitalCommons@CalPoly, 2010. https://digitalcommons.calpoly.edu/theses/369.
Повний текст джерелаUnal, Sadullah Utku. "Design, Construction And Preliminary Testin Of An Aeroservoelastic Test Apparatus To Be Used In Ankara Wind Tunnel." Master's thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/12607034/index.pdf.
Повний текст джерелаSzleper, Michele Lee. "Converging nozzle design for a subsonic wind tunnel to test heat sinks under impinging and parallel airflows." Thesis, Georgia Institute of Technology, 2002. http://hdl.handle.net/1853/17124.
Повний текст джерелаYu, Kevin Xin Jun. "Investigation of Recessed and Concealed Sprinklers Activation in Wind Tunnel Plunge Test and in BRANZFIRE Computer Model." Thesis, University of Canterbury. Civil Engineering, 2007. http://hdl.handle.net/10092/1184.
Повний текст джерелаZientarski, Lauren Ann. "Wind Tunnel Testing of a Variable Camber Compliant Wing with a Unique Dual Load Cell Test Fixture." University of Dayton / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1448893315.
Повний текст джерелаMcDonald, William J. "Design and computational analysis of aerodynamics in an annular cascade." Honors in the Major Thesis, University of Central Florida, 2008. http://digital.library.ucf.edu/cdm/ref/collection/ETH/id/1112.
Повний текст джерелаBachelors
Engineering and Computer Science
Aerospace Engineering
Lines, Philipp A. "Upgrade of a LabVIEW based data acquisition system for wind tunnel test of a 1/10 scale OH-6A helicopter fuselage." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2003. http://library.nps.navy.mil/uhtbin/hyperion-image/03Jun%5FLines.pdf.
Повний текст джерелаThesis advisor(s): E. Roberts Wood, Richard M. Howard. Includes bibliographical references (p. 53-54). Also available online.
Fisher, David T. "Wind tunnel performance comparative test results of a circular cylinder and 50% ellipse tailboom for circulation control antitorque applications." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1994. http://handle.dtic.mil/100.2/ADA283335.
Повний текст джерелаBrown, Kenneth Alexander. "A Study of Aerodynamics in Kevlar-Wall Test Sections." Thesis, Virginia Tech, 2014. http://hdl.handle.net/10919/49383.
Повний текст джерелаMaster of Science
Chen, Ru-Ching. "Development of a Supersonic Nozzle and Test Section for use with a Magnetic Suspension System for Re-Entry Aeroshell Models." Case Western Reserve University School of Graduate Studies / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=case1544179612537658.
Повний текст джерелаDwyer, William P. (William Patrick). "Measurement of flow boundary condition data and wing pressures in a wind tunnel test of a 45 deg swept wing." Thesis, Massachusetts Institute of Technology, 1990. http://hdl.handle.net/1721.1/42182.
Повний текст джерелаSchouten, Shane Michael. "Complete CFD analysis of a Velocity XL-5 RG with flight-test verification." Texas A&M University, 2008. http://hdl.handle.net/1969.1/85894.
Повний текст джерелаScharnberg, Fábio Augusto. "Caracterização aerodinâmcia de edifícios através do espectro das cargas totais medidas em túnel de vento." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2018. http://hdl.handle.net/10183/181819.
Повний текст джерелаIn recent years many high-rise buildings have been built, which are a way to represent the economic and technological power of nations. Concomitantly, the structures have become slender and more flexible, and the dynamic phenomena of wind, which in low buildings do not represent a great relevance in the loading, start to show their effects. In this way, it is extremely important to know how the wind flow and the pressure distribution occur around these structures. In this research, two real projects, present in the national engineering, are characterized aerodynamically through data from wind tunnel tests. The loadings were processed through the simultaneous integration of pressures and transformed into force spectra, which aid in the visualization of the kinetic energy contained in the bursts, in the occurrence of vortex shedding, buffeting and the influence of the neighboring buildings on the wind flow. The analysis is performed locally and globally, making it possible to verify which "zone", or height range, is more significant to the loading of the structure as a whole. It can be seen that the phenomenon of vortex shedding is characterized by a peak in the crosswind spectrum and the buffeting phenomenon appears when there are buildings or obstacles in the windward region. Finally, the results presented here can be helpful in the pre-design of structures with similar configurations, in the comparison and validation for future researches and as a reference in the review of normative codes. Emphasis is given to the importance of wind tunnel testing, which allows the designer to simulate all loading cases and neighborhood effects with greater precision compared to simplified methods currently contained in codes and standards.
Heim, Eugene Henry DeWendt. "Development of Methods for Improved Data Integrity and Efficient Testing of Wind Tunnel Models for Dynamic Test Conditions in Unsteady and Nonlinear Flight Regimes." Thesis, Virginia Tech, 2003. http://hdl.handle.net/10919/31050.
Повний текст джерелаMaster of Science
CAPPANERA, GIANLUCA. "Analisi fluidodinamica ed acustica di appendici palari per turbina eolica di piccola taglia e studio preliminare di sistema di accumulo in aria compressa." Doctoral thesis, Università Politecnica delle Marche, 2020. http://hdl.handle.net/11566/274610.
Повний текст джерелаRecently, the technology development in renewable energy sector, especially for wind energy, has brought a wide presence of large and small wind turbines in rural areas. For these applications, noise emitted from rotating blades is a hot topic in worldwide scientific research. On the other hand, in the sight of an evolved electric system the delivery of energy storage systems is crucial. Thus, the study of storage techniques alternative to batteries is of absolute scientific and industrial interest. The research work here presented is aimed at the study of aerodynamic appendages known as Trailing-Edge Serrations (TES) conceived for wind turbine blades noise mitigation and at the preliminary evaluation of an energy storage system, both applicable to small wind turbines. The experimental campaign has firstly seen the fluid-dynamic study of TES from global and local points of view by the use of a fixed wing model with high performance NACA 642 014A airfoil, placed in the wind tunnel. Results allowed the evaluation of different aerodynamic performance due to the presence of the appendages, in order to foresee them impact on power production. Secondly, experiments proceeded with the acoustic characterization of TES applied to a rotating blade model placed in the semi-anechoic chamber. By a special measurement setup and the use of most recent algorithms for sound source localization, the acoustic footprint of the model with and without TES has been analysed, resulting in global noise emission and noise source mapping. The whole has been accompanied by a study of a Compressed Air Energy Storage (CAES) system of small size designed to support small wind turbine power production for electric supply of remote areas.
ORLANDO, ANDREA. "Full-scale monitoring of the wind-induced response of vertical slender structures, with fixed and rotating masses." Doctoral thesis, Università degli studi di Genova, 2021. http://hdl.handle.net/11567/1049839.
Повний текст джерелаPerkins, Hugh Douglas. "Development and Demonstration of a Computational Tool for the Analysis of Particle Vitiation Effects in Hypersonic Propulsion Test Facilities." Case Western Reserve University School of Graduate Studies / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=case1227553721.
Повний текст джерелаWang, Haoting. "Experimental and Modeling Study of the Thermal Management of Li-ion Battery Packs." Diss., Virginia Tech, 2017. http://hdl.handle.net/10919/79660.
Повний текст джерелаPh. D.
Kichkie, Nabil. "Comportement dynamique en lacet d'une eolienne a axe horizontal." Paris, ENSAM, 1987. http://www.theses.fr/1987ENAM0007.
Повний текст джерелаMinair, Catherine. "Les angles privilégiés, grands invariants universaux : une approche par la dynamique des fluides, l'esthétique et la physio-biologie." Valenciennes, 1987. https://ged.uphf.fr/nuxeo/site/esupversions/a2fee09c-75f7-461c-88c5-71e89bf41c12.
Повний текст джерелаLemoult, Bernard. "Contribution a la connaissance des actions du vent sur les batiments a structure metallique." Poitiers, 1988. http://www.theses.fr/1988POIT2201.
Повний текст джерелаDi, Nicola Federico. "Energy harvesting from piezoelectric devices embedded in a 3D printed wing." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2015. http://amslaurea.unibo.it/9705/.
Повний текст джерелаTarbadar, Rima. "Étude expérimentale en vraie grandeur et modélisation des pressions induites par le vent dans les combles : application à l'étanchéité des toitures à l'eau." Châtenay-Malabry, Ecole centrale de Paris, 1995. http://www.theses.fr/1995ECAP0414.
Повний текст джерелаGenerally, the rain penetration through pitched lapped roofs is created by the difference of external and internal pressure, generated by the wind. In this thesis, a numerical model has been developped for prediction of internal pressure under the elements (the external pressure can be measured on a model in a boundary layer wind-tunnel). Two cases have been studied : roof without underlay, roof with flexible or stiff underlay. The dynamics of internal pressure is, in general, a complex problem. This is due to the poor knowledge on the leakage paths characteristics. Therefore, full-scale experimental studies have been carried out to characterize the roof wind permeability (test appartus) and to investigate the effects of windspeed, atmospheric turbulence and rain intensity on this permeability (climatic wind-tunnel). The analytical results were compared with full-scale results (roof without underlay case), and they matched closely. Parametric studies (underlay case) have shown that it is possible to reduce considerably the wind loads. Through a complete knowledge of the controlling parameters it will be possible to design and construct pitched lapped roofs, from which the problems of rain penetration is strongly reduced
Moses, Kenneth C. "A Durable Terrestrial Drive Train for a Small Air Vehicle." Cleveland, Ohio : Case Western Reserve University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=case1270233578.
Повний текст джерелаDepartment of EMC - Mechanical Engineering Title from PDF (viewed on 2010-05-25) Includes abstract Includes bibliographical references and appendices Available online via the OhioLINK ETD Center
Bonnardel, Xavier-Henri. "Etude théorique et expérimentale d'interactions aérodynamiques : application à l'effet de sol et à l'interaction rotor arrière-dérivé d'un hélicoptère." Aix-Marseille 2, 1987. http://www.theses.fr/1987AIX22059.
Повний текст джерелаFerret, Bernard. "Etude expérimentale de l'intéraction entre un tourbillon isolé et un profil d'aile." Poitiers, 1988. http://www.theses.fr/1988POIT2317.
Повний текст джерелаJourne, Paul. "Anémomètre ultrasonore corrélatif." Grenoble 1, 1989. http://www.theses.fr/1989GRE10128.
Повний текст джерелаFletcher, Nathan James. "Design and Implementation of Periodic Unsteadiness Generator for Turbine Secondary Flow Studies." Wright State University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=wright1560810428267352.
Повний текст джерелаBrožek, Petr. "Návrh zařízení pro měření aerodynamických sil a momentů v aerodynamickém tunelu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2014. http://www.nusl.cz/ntk/nusl-231647.
Повний текст джерелаZedník, Roman. "Příprava experimentálního měření aerodynamických charakteristik na zmenšeném modelu automobilu v aerodynamickém tunelu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-417795.
Повний текст джерелаSanchez, Marc. "Etude des extracteurs d'air hybrides éoliens : conception de géométries et analyse des écoulements." Thesis, Perpignan, 2015. http://www.theses.fr/2015PERP0040/document.
Повний текст джерелаThis PhD work concerns the study of hybrid air extractors. It is composed of upstream and applied investigations. In the upstream part, fine simulations are realized in square duct flow with and without rotation to analyse the impact of rotation on turbulence. It is found that rotation removes symmetry property of the flow with turbulent Reynolds number of 600. The applied part is dedicated to the conception of a new air extractor geometry. This geometry is proposed from the analyse of RANS simulations. Its performances are confirmed by experimental measurements on test rig. Wind tunnel tests of a wind power capturing system, designed for the extractor, show a good adequation to the operating regime of the extractor. Experimental investigations on the complete air extractor, show the wind power capturing system brings a significant part of the energy. Wind tunnel tests allow to observe the complete air extractor behaviour
Harion, Jean-Luc. "Influence de différences de densité importantes sur les propriétés de transfert d'une couche limite turbulente." Grenoble INPG, 1994. http://www.theses.fr/1994INPG0133.
Повний текст джерелаVillafañe, Roca Laura. "Experimental Aerothermal Performance of Turbofan Bypass Flow Heat Exchangers." Doctoral thesis, Universitat Politècnica de València, 2014. http://hdl.handle.net/10251/34774.
Повний текст джерелаVillafañe Roca, L. (2013). Experimental Aerothermal Performance of Turbofan Bypass Flow Heat Exchangers [Tesis doctoral no publicada]. Universitat Politècnica de València. https://doi.org/10.4995/Thesis/10251/34774
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