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Year: 1969 Publisher: Washington, D.C. : National Aeronautics and Space Administratio,
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ISBN: 1536158992 9781536158991 1536158984 9781536158984 Year: 2019 Publisher: New York
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"Wind tunnels are facilities in which the wind is produced by fans or by compressed air to study and measure the action of the air flow around a solid. There are two basic types of wind tunnels: the closed-circuit and the open-circuit. Open-circuits draw air from the ambient environment and exhaust it back to the ambient after exiting the fan, while in closed-circuit, the air repeatedly circulates through the tunnel. The closed-circuit design delivers improved efficiency and generates less noise, but it is more expensive and more difficult to manufacture. Wind tunnels are typically used in aerodynamic research to analyze the behavior of flows under varying conditions, both within channels and over solid surfaces. The present book focus on uses and developments of wind tunnels. It consists on nine chapters presenting different studies on the design, uses and developments of the wind tunnel in different applications like wind turbines, building and aircraft models. The presented case studies and development approaches aim to provide the readers, such as engineers and PhD students, with basic and applied studies broadly related to the wind tunnels and its applications"--
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ISBN: 9535159771 9533072954 Year: 2011 Publisher: IntechOpen
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Although great advances in computational methods have been made in recent years, wind tunnel tests remain essential for obtaining the full range of data required to guide detailed design decisions for various practical engineering problems. This book collects original and innovative research studies on recent applications in wind tunnel tests, exhibiting various investigation directions and providing a bird’s eye view on this broad subject area. It is composed of seven chapters that have been grouped in two major parts. The first part of the book (chapters 1–4) deals with wind tunnel technologies and devices. The second part (chapters 5–7) deals with the latest applications of wind tunnel testing. The text is addressed not only to researchers but also to professional engineers, engineering lecturers, and students seeking to gain better understanding of the current status of wind tunnels.　Through its seven chapters, the reader will have an access to a wide range of works related to wind tunnel testing.
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Year: 1958 Publisher: [Paris] : North Atlantic Treaty Organization, Advisory Group for Aeronautical Research and Development,
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Year: 2021 Publisher: Karlsruhe : KIT Scientific Publishing,
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This study investigates the effects of swirl on the supersonic wake of longitudinally-aligned axisymmetric afterbodies. The swirl was introduced upstream of the base corner by either spinning non-canted or non-spinning canted fins. Depending on the introduced swirl rate, both the experimental and numerical results show two distinctively different wake flow structures. The fluid-dynamic processes present in the rotating wakes and the resulting structural changes are analyzed in detail.
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Year: 1988 Publisher: Washington, D.C. : National Aeronautics and Space Administration, Scientific and Technical Information Division,
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Wind tunnels. --- Condensation --- Measurement.
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Year: 1922 Publisher: [Washington, D.C.] : National Advisory Committee for Aeronautics,
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Wind tunnels --- Testing.
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Year: 1982 Publisher: [Washington, D.C.?] : National Aeronautics and Space Administration, Scientific and Technical Information Office,
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Year: 2021 Publisher: Karlsruhe : KIT Scientific Publishing,
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This study investigates the effects of swirl on the supersonic wake of longitudinally-aligned axisymmetric afterbodies. The swirl was introduced upstream of the base corner by either spinning non-canted or non-spinning canted fins. Depending on the introduced swirl rate, both the experimental and numerical results show two distinctively different wake flow structures. The fluid-dynamic processes present in the rotating wakes and the resulting structural changes are analyzed in detail.
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