Uninhabited Air Vehicles Enabling Science for Military Systems (2000) / Chapter Skim
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List of Findings and Recommendations
List of Findings and Recommendations
Pages 101-106
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From page 101... ...
The U.S. Air Force should establish a research and development program to develop fundamental technologies that will advance the use of UAVs by enabling them to carry out unique missions or by providing significant cost savings.
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From page 102... ...
improved flow modeling with part-chord natural laminar flow · techniques for real-time flow sensing and actuation · design architectures for complex multidisciplinary problems, including highly integrated systems aeroelastic analysis and design approaches, especially for very flexible, unrestrained, actively-controlled aircraft · novel vehicle control concepts, including flow control · exploitation and modeling of unsteady, nonlinear, three-dimensional aerodynamics · design concepts for very low Reynolds numbers, including steady and unsteady systems aerodynamic modeling concepts for designing vehicle control systems CHAPTER 4 Airframe Materials and Structures Recommendation. To support the development and introduction of probabilistic methods for UAVs, the U.S.
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From page 103... ...
The U.S. Air Force should conduct research to develop a fundamental understanding of metals processes applicable to UAV structures, such as research on low-cost processing of UAV airframe components.
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From page 104... ...
capabilities · computational modeling capability to reduce the need for engine testing during development · cost-reducing technologies that, for example, reduce parts count and complexity The following specific research topics should be considered: low Reynolds number turbomachinery, which is very important for both high-altitude operation and very small vehicles low Reynolds number heat rejection for high-altitude coolers and for cooling very small propulsion systems at lower altitudes · turbomachinery tip clearance desensitization (for highly loaded engines, high-altitude operation, and very small systems) · desensitization to leakage and better, cheaper seals to reduce cost and enhance performance for highly maneuverable and very small vehicles · thrust vectoring for highly maneuverable vehicles · magnetic, air, and solid lubricated bearings to improve long-term storage, enhance high-altitude operation, and reduce complexity and cost · technologies for low-cost accessories, which tend to dominate the cost of smaller engines low-cost vapor and liquid cooling schemes and affordable high-temperature materials (e.g., structural, magnetic, and electronic materials)
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From page 105... ...
The U.S. Air Force should enhance the capabilities of available design tools and planning aids by supporting ongoing efforts related to realtime path planning and optimization algorithms, and by embarking on a program of basic research in control of dynamic networks.
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