Rapid Prototyping Of Wind Tunnel Models
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Rapid Prototyping Of Wind Tunnel Models
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Author : Aviva Blum
language : en
Publisher:
Release Date : 2000
Rapid Prototyping Of Wind Tunnel Models written by Aviva Blum and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with categories.
Application Of Rapid Prototyping Methods To High Speed Wind Tunnel Testing
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-07-08
Application Of Rapid Prototyping Methods To High Speed Wind Tunnel Testing written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-08 with categories.
This study was undertaken in MSFC's 14-Inch Trisonic Wind Tunnel to determine if rapid prototyping methods could be used in the design and manufacturing of high speed wind tunnel models in direct testing applications, and if these methods would reduce model design/fabrication time and cost while providing models of high enough fidelity to provide adequate aerodynamic data, and of sufficient strength to survive the test environment. Rapid prototyping methods utilized to construct wind tunnel models in a wing-body-tail configuration were: fused deposition method using both ABS plastic and PEEK as building materials, stereolithography using the photopolymer SL-5170, selective laser sintering using glass reinforced nylon, and laminated object manufacturing using plastic reinforced with glass and 'paper'. This study revealed good agreement between the SLA model, the metal model with an FDM-ABS nose, an SLA nose, and the metal model for most operating conditions, while the FDM-ABS data diverged at higher loading conditions. Data from the initial SLS model showed poor agreement due to problems in post-processing, resulting in a different configuration. A second SLS model was tested and showed relatively good agreement. It can be concluded that rapid prototyping models show promise in preliminary aerodynamic development studies at subsonic, transonic, and supersonic speeds. Springer, A. M. Marshall Space Flight Center...
Wind Tunnel Model Design And Test Using Rapid Prototype Materials And Processes
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Author : Richard R. Heisier
language : en
Publisher:
Release Date : 2001
Wind Tunnel Model Design And Test Using Rapid Prototype Materials And Processes written by Richard R. Heisier and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.
Whether an airframe is a new design, modification of an existing design, or evaluation of a competing or foreign design, an accurate, high-confidence representation of the airframe aerodynamics is paramount to any low-risk design or evaluation effort. These aerodynamic estimates are used for vehicle and component sizing, performance estimates, and autopilot design and evaluation. The advent of new rapid prototyping manufacturing techniques and materials could provide a means to reduce the cost associated with the acquisition of a wind tunnel model (WTM), provided the data obtained with the rapid prototype model (RPM) were of sufficient fidelity to justify its use. The Johns Hopkins University Applied Physics Laboratory (JHU/APL) has developed a WTM design that consists of a steel strongback with rapid prototype plastic components attached to it to provide the overall vehicle configuration. In a test at the Lockheed Martin Missile and Fire Control%Dallas High-Speed Wind Tunnel (HSWT), this model (designated RPM-01) demonstrated acceptable data quality and test-to-test data repeatability with a geometrically similar steel and aluminum model. RPM-01 was built for approximately a quarter of the cost and a fraction of the time required of the all-metal high-fidelity model.
Application Of Rapid Prototyping Models To Transonic Wind Tunnel Testing
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Author : A. Springer
language : en
Publisher:
Release Date : 1997
Application Of Rapid Prototyping Models To Transonic Wind Tunnel Testing written by A. Springer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.
Application Of Rapid Prototyping Methods To High Speed Wind Tunnel Testing
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Author : A. M. Springer
language : en
Publisher:
Release Date : 1998
Application Of Rapid Prototyping Methods To High Speed Wind Tunnel Testing written by A. M. Springer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Prototypes, Engineering categories.
Models For Wind Tunnel Tests Based On Additive Manufacturing Technology
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Author : Weijun Zhu
language : en
Publisher: Springer Nature
Release Date : 2024-01-15
Models For Wind Tunnel Tests Based On Additive Manufacturing Technology written by Weijun Zhu and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-01-15 with Technology & Engineering categories.
This book systematically introduces design and fabrication of physical models for wind tunnel tests based on additive manufacturing technology, including model design technology, model fabrication process, strengthening technology, etc. On this basis, it introduces in detail the specific implementation process of commonly used models, e.g., force measurement models, pressure measurement models, elastic models, and flutter models. This book mainly provides references for researchers and engineers who are engaged in aircraft design, experimental fluid mechanics, and additive manufacturing technology research.
Rapid Prototyping Technology
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Author : Kenneth Cooper
language : en
Publisher: CRC Press
Release Date : 2001-01-09
Rapid Prototyping Technology written by Kenneth Cooper and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-01-09 with Technology & Engineering categories.
"Reviews operation principles and methods for most Solid Freeform technologies and historical systems data. Illustrates the uses and mechanical details for a number of systems, including JP-System 5, Ballistic Particle Manufacturing, Fused Deposition Modeling, Laminated Object Manufacturing, Stereolithography, and Selective Laser Sintering, and more."
Rapid Prototyping Technology
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Author : Kenneth Cooper
language : en
Publisher: CRC Press
Release Date : 2001-01-09
Rapid Prototyping Technology written by Kenneth Cooper and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-01-09 with Technology & Engineering categories.
"Reviews operation principles and methods for most Solid Freeform technologies and historical systems data. Illustrates the uses and mechanical details for a number of systems, including JP-System 5, Ballistic Particle Manufacturing, Fused Deposition Modeling, Laminated Object Manufacturing, Stereolithography, and Selective Laser Sintering, and more."
On Subscale Flight Testing
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Author : Alejandro Sobron
language : en
Publisher: Linköping University Electronic Press
Release Date : 2018-11-05
On Subscale Flight Testing written by Alejandro Sobron and has been published by Linköping University Electronic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-11-05 with categories.
Downscaled physical models, also referred to as subscale models, have played an essential role in the investigation of the complex physics of flight until the recent disruption of numerical simulation. Despite the fact that improvements in computational methods are slowly pushing experimental techniques towards a secondary role as verification or calibration tools, real-world testing of physical prototypes still provides an unmatched confidence. Physical models are very effective at revealing issues that are sometimes not correctly identified in the virtual domain, and hence can be a valuable complement to other design tools. But traditional wind-tunnel testing cannot always meet all of the requirements of modern aeronautical research and development. It is nowadays too expensive to use these scarce facilities to explore different design iterations during the initial stages of aircraft development, or to experiment with new and immature technologies. Testing of free-flight subscale models, referred to as Subscale Flight Testing (SFT), could offer an affordable and low-risk alternative for complementing conventional techniques with both qualitative and quantitative information. The miniaturisation of mechatronic systems, the advances in rapid-prototyping techniques and power storage, as well as new manufacturing methods, currently enable the development of sophisticated test objects at scales that were impractical some decades ago. Moreover, the recent boom in the commercial drone industry has driven a quick development of specialised electronics and sensors, which offer nowadays surprising capabilities at competitive prices. These recent technological disruptions have significantly altered the cost-benefit function of SFT and it is necessary to re-evaluate its potential in the contemporary aircraft development context. This thesis aims to increase the comprehension and knowledge of the SFT method in order to define a practical framework for its use in aircraft design; focusing on low-cost, short-time solutions that don’t require more than a small organization and few resources. This objective is approached from a theoretical point of view by means of an analysis of the physical and practical limitations of the scaling laws; and from an empirical point of view by means of field experiments aimed at identifying practical needs for equipment, methods, and tools. A low-cost data acquisition system is developed and tested; a novel method for semi-automated flight testing in small airspaces is proposed; a set of tools for analysis and visualisation of flight data is presented; and it is also demonstrated that it is possible to explore and demonstrate new technology using SFT with a very limited amount of economic and human resources. All these, together with a theoretical review and contextualisation, contribute to increasing the comprehension and knowledge of the SFT method in general, and its potential applications in aircraft conceptual design in particular.
Airplane Numerical Simulation For The Rapid Prototyping Process
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Author : Paul F. Roysdon
language : en
Publisher:
Release Date : 2010
Airplane Numerical Simulation For The Rapid Prototyping Process written by Paul F. Roysdon and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.