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      Low Subsonic Wind Tunnel - Design and Construction

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          Abstract

          ABSTRACT: This paper describes the design and the construction details of a medium size subsonic low-speed wind tunnel, which has been designed to achieve 90 m/s in the working section with expected low intensity turbulence level, making it available for researching in areas such as low speed aerodynamics (flight and terrestrial vehicles), sport activities, civil engineering applications, fundamental research in Fluid Mechanics and other possibilities. To accomplish such objectives a very detailed design was carried on using theoretical analyses, CFD simulations and semi-empirical methods, all of them applied to improve the flow quality along the wind tunnel sections. A very careful attention has been focused to the design of the fan blades and the electrical engine assembly, which has been inserted in a "pusher" configuration. Flow control and stabilization also took place using screens, honeycombs and corner vanes, all of them optimized to induce low turbulence levels in the working section. The design and construction of each wind tunnel section has been presented and discussed shedding light to the most relevant technical aspects and an attempt is made here to present some design and manufacture guidance for the main components of a low subsonic wind tunnel.

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          Most cited references10

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          The prediction of separation of the turbulent boundary layer

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            Comprehensive Design of Axisymmetric Wind Tunnel Contractions

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              Numerical modeling of the flow conditions in a closed-circuit low-speed wind tunnel

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                jatm
                Journal of Aerospace Technology and Management
                J. Aerosp. Technol. Manag.
                Departamento de Ciência e Tecnologia Aeroespacial (São José dos Campos, SP, Brazil )
                2175-9146
                February 2018
                : 10
                : 0
                Affiliations
                [1] Uberlândia Minas Gerais orgnameUniversidade Federal de Uberlândia orgdiv1Faculdade de Engenharia Mecânica orgdiv2Centro de Pesquisa em Aerodinâmica Experimental Brazil
                Article
                S2175-91462018000100200
                10.5028/jatm.v10.716
                f319c924-05ed-4f87-8bdd-ab9a27adfce7

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 22, Pages: 0
                Product
                Product Information: website
                Categories
                Review Articles

                Flow control,Turbulence,Aerodynamics,Low speed,Wind tunnel
                Flow control, Turbulence, Aerodynamics, Low speed, Wind tunnel

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