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Collection of Technical Papers - AIAA 3rd "Unmanned-Unlimited" Technical Conference, Workshop, and Exhibit

作者： Grimsley, Frank M. Aeronautical Systems Center WPAFB OH 45433 Special Projects Division System Reconnaissance Program Office Bldg 557 2640 Loop Rd W. Wright-Patterson AFB OH 45433-7106

ISBN: (纸本)1563477173

This paper describes a methodology for determining what overall system reliability is required to be equivalent to Federal Aviation Administration (FAA) safety requirements. Department of Defense flight test ranges have developed a casual expectation methodology used to calculate the probability of casualty. The methodology uses population density, platform size, system reliability, etc. to calculate the expected casualty rate given a catastrophic in-flight failure. This information is used to plan the flight paths of Unmanned Aerospace Vehicles to avoid casualties. This methodology was expanded to determine equivalent safety for FAA airspace by comparing it to general aviation Federal Aviation Requirements (FAR 23) experience and determining an equivalent level of safety for unmanned aircraft. The results of this analysis were used to determine the required system level safety requirements as a function of Unmanned Aerospace Vehicle (UAV) platform size. Airworthiness regulation authorities can use this data as a basis for determining certification levels of safety for various classes of UAVs.

关键词： Accident prevention

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Doe's effort to reduce truck aerodynamic drag - joint experiments and computations lead to smart design

Doe's effort to reduce truck aerodynamic drag - joint experi...

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34th AIAA Fluid Dynamics Conference and Exhibit 2004

作者： McCallen, Rose C. Salari, Kambiz Ortega, Jason M. DeChant, Larry J. Hassan, Basil Roy, Christopher J. Pointer, W. David Browand, Fred Hammache, Mustapha Hsu, Tsun-Ya Leonard, Anthony Rubel, Mike Chatalain, Philippe Englar, Robert Ross, James Satran, D. Heineck, James T. Walker, Stephen Yaste, D. Storms, B. Lawrence Livermore National Laboratory Livermore CA 94551 United States Sandia National Laboratories Albuquerque NM 87185-0825 United States Auburn University Auburn AL 36849 United States Argonne National Laboratory Argonne IL 60439 United States University of Southern California LosAngeles CA 90089-1191 United States Georgia Tech Research Institute Atlanta GA 30332 United States NASA Ames Research Center Moffet Field CA 94035 United States Center for Applied Scientific Computing P.O. Box 808 L-98 United States New Technologies Engineering Division P.O. Box 808 L-644 United States Aerosciences and Compressible Fluid Mechanics Dept. PO Box 5800 MS 0825 United States Aerospace Engineering Dept. 211 Aerospace Engineering Bldg United States Nuclear Engineering Division NE-208 United States Aerospace and Mechanical Engineering MS 1191 United States Engineering and Applied Science 1200 East California Blvd. MC 301-46 United States Graduate Aeronautical Laboratories 1200 East California Blvd. MC 205-45 United States Aerospace Transportation and Advanced Systems Code 0844 United States Systems Analysis Branch MS 260-1 United States Aeronautical Projects and Program Office MS 260-1 United States

ISBN: (纸本)9781624100314

At 70 miles per hour, overcoming aerodynamic drag represents about 65% of the total energy expenditure for a typical heavy truck vehicle. The goal of this US Department of Energy supported consortium is to establish a clear understanding of the drag producing flow phenomena. This is being accomplished through joint experiments and computations, leading to the 'smart' design of drag reducing devices. This paper will describe our objective and approach, provide an overview of our efforts and accomplishments, and discuss our future direction. © 2004 by the American Institute of Aeronautics and Astronautics, Inc.

关键词： Aerodynamic drag

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NEW AMPHIBIOUS VEHICLE programS: Part I: Air Cushion Vehicles

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Naval Engineers Journal 1965年第3期77卷 401-406页

作者： WOSSER, J.L. The author is program manager for all air cushion vehicle (ACV) projects of Textron's Bell Aerosystems Company Buffalo New York. A veteran of 20 years in the U. S. Marine Corps Wosser retired in 1963 with the rank of Lieutenant Colonel. Since September 1958 Wosser has served as head of the Air Vehicle Design Branch of the Office of Naval Research in Washington D.C. In this post he was responsible for planning coordinating managing and providing technical supervision of a multi-million dollar contractor program of research and exploratory development. These programs included research in vertical/short takeoff and landing test vehicles and air cushion vehicles. Wosser authored some of the first technical papers on air cushion vehicles published in the United States beginning in 1958 when ACVs were in their infancy. Currently he is active in the administration of the several ACV projects conducted by Bell. Included are: the U. S. Navy's SKMR-1 Hydroskimmer and Bell/Westland SR.N5 air cushion vehicle test and mission suitability trials now going on at the U. S. Navy's Norfolk Va. base preparations for the first year-round ACV scheduled passenger service set to begin this summer in the San Francisco-Oakland area and two hydrokeel military amphibious assault projects. A native of Mill Valley Calif. Wosser became a Naval aviation cadet in 1943 after studying mechanical engineering at the University of California. During his 20 years as a Marine pilot Wosser accumulated 3600 hours of flight time including 350 combat hours. He holds a master of science degree in aeronautical engineering from Massachusetts Institute of Technology and bachelor of science degrees in military science and aeronautical engineering respectively from the University of Maryland and the U. S. Navy Postgraduate School.

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A SUBMARINE CONTROL-SYSTEM TEST VEHICLE

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NAVAL ENGINEERS JOURNAL 1980年第2期92卷 148-155页

作者： SEJD, JJ WATKINSON, KW HILL, WF Mr. James J. Sejd received his B.S. degree in Civil Engineering from Case Western Reserve University and has since undergone considerable graduate study at both The George Washington and American Universities. He served almost four years in the U.S. Navy as a Naval Aviator and enjoys the unique distinction of being qualified in both Heavier- and Lighter-than-Air aircraft. Early in his career he was employed at the Navy's Bureau of Ships in the capacity of a Structural Designer and Structural Research Monitor. In 1966 he joined the Staff of the Center for Naval Analyses where he was involved in the mathematical modeling of ships and aircraft and in economic “trade-off‘ analysis. In 1970. he went to the Naval Ship Engineering Center as an Operations Research Analyst in the Ship Design and Development Division. At the present time he is employed as a Program Manager for the Naval Sea Systems Command Ship Design Research and Development Office. A member of ASNE since 1973 he also is a member of the Association of Scientists and Engineers at NAVSEA the Operations Research Society of America and the Lighter-Than-Air Society. Mr. Kenneth W. Watkinson received both is B.S. and M.S. degrees in Engineering Science from Florida State University in 1970 and 1971 respectively. Since graduation he has been employed at the Naval Coastal Systems Center (NCSC). Panama City. Fla. where he is primarily involved in the investigation of the stability and control of underwater vehicles. For the past four years he has been the Task Leader and Principal Investigator for the NCSC portion of the Advanced Submarine Control Program involved in developing control design methods and the instrumentation system for the Submarine Control System Test Vehicle. Mr. William F. Hill is currently the ASCOP Program Manager at Lockheed Missiles & Space Company (LMSC) Inc. where he has the overall responsibility for design and construction of the Control System Test Vehicle (CSTV). He entered the aircraft industry in England as an Apprentice w

As part of the Advanced Submarine Control program (ASCOP), the Naval Sea Systems Command has developed an open water Submarine Control System Test Vehicle (CSTV). This vehicle is a 1/12 scale model of an SSN 688 Class Submarine, with provisions for easy geometric changes. Such changes include alternate Sail size and location, the addition of parallel middle-bodies, alternative tail sections, and alternative control configurations. A self-contained instrumentation and control system provides the capability for “on-board” recording of all relevant Submarine-state variables, over the entire speed and depth range, to a degree of data accuracy exceeding any known system. With the means thus available to correlate measured vehicle hydrodynamics with selected maneuvers, conditions, and changes in hull geometry and control surface configuration, modern mathematical techniques for improving submarine equations of motion can be employed to permit dramatic design enhancements in both safety and performance. This paper provides the rationale and history of the development of this vehicle, a description of the instrumentation and control package, and a description of the vehicle itself.

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ACQUISITION REFORM AND BEST PRODUCT PROCUREMENT - AN ENGINEERING VIEW

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NAVAL ENGINEERS JOURNAL 1994年第6期106卷 41-57页

作者： FISHER, DA SKOLNICK, A He has been involved with several weapon system developments. Among these were the Trident II fire control and navigation systems the BSY-I Anti-Submarine Warfare System and the Navy standard computers (UYK44 and EMSP). He served as manager of the Digital Circuits Engineering Branch and was then appointed as manager of the Automatic Test Equipment (ATE) Technology Division. As manager of the ATE Technology Division he was responsible for the SP-23 Fire Control System Support Project the SP-24 Navigation Project and the Fleet Progressive Maintenance Program (2M/ATE). This Division was responsible for selection and application of electronic product technology and for developing fleet test and repair techniques. He holds a B.S. in Electrical Engineering from the University of Evansville and is currently pursuing a Masters of Public Administration at Indiana University-Purdue University Indianapolis. Dr. Alfred Skolnick:retired from the Navy in 1983 with the rank of captain. He is president of System Science Consultants (SSC) specializing in strategic planning technical program definition technology assessment and engineering analyses on selected matters of national interest. Dr. Skolnick taught mathematics and management sciences at University of Virginia and Marymount University. He is adjunct faculty at Northern Virginia Community College. From 1985 to 1989 he was president of the American Society of Naval Engineers. In the Navy he served at Applied Physics Laboratory/The Johns Hopkins University then aboard USSBoston(CAG-1) and played leading roles in several weapon system developments inertial navigation (Polaris) deep submergence (DSRV) and advanced ship designs (SES). He later was director Combat System Integration Naval Sea Systems Command and head Combat Projects Naval Ship Engineering Center. In 1975 he became a major project manager and led the Navy's High Energy Lasers Program in 1981 he was assigned all Navy Directed Energy Weapons development efforts. He was vice president advanced tech

The military services are being moved in the direction of performance-based specifications and standards. They are being steered against dictating ''how to'' produce an item since such action forecloses on the ability to gain access to components or technology that may have a commercial equivalent. Why should the engineering community embrace the new approach? Aside from the obvious weight of it being approved policy, therefore currently mandated, it warrants examination because it is the correct approach at this time when applied to appropriate products. Military specifications and standards are to be displaced then, by acceptable alternative contractor design solutions. Industry bidders will be allowed to propose the particular design details, permitting procurement flexibility by contractually citing only system level or interface requirements, both physical and functional. Hopefully, this can broaden the industrial base and increase competition with reduced costs to follow. Conceptually, the approach appears both performance-sensible and cost-attractive (there are, of course, consequent risks) but how does implementation proceed? Is it possible to pursue the goals envisioned along paths that are not in themselves experimental? Can the American postulate, minimal loss of life and limb to U.S. military people, continue to be honored? Experience and track record elsewhere imply encouraging possibilities in select situations-useful prospects are identified and discussed in practical terms.

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THE IMPACT OF SYSTEMS ON NAVAL ENGINEERING

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Naval Engineers Journal 1968年第3期80卷 387-392页

作者： ROOT, L. EUGENE Mr. Root registered professional engineer in California received his B.A. in Engineering and Mathematics in 1932 from the University of the Pacific. He also received a M.S. in both Mechanical and Aeronautical Engineering from the California Institute of Technology in 1933 and 1934 respectively. Mr. Root joined Douglas Aircraft Company in 1934 where he served in such positions as Assistant Chief Aerodynamics Section (1934-39) Chief Aerodynamics Section (1939-46) and from 1946-48 he was assigned to special engineering projects (Project Rand) where he pioneered parametric approach to aircraft design. He joined the Rand Corporation as Chief Aircraft Division in 1948. While on leave from Rand in 1951-52 he acted as Special Assistant to Deputy Chief of Staff/Development Headquarters USAF. He also aided substantially in establishing the Directorate of Development Planning in the Office of Deputy Chief of Staff/Development. In 1953 Mr. Root was offered the position of Director of Development Planning Department with Lockheed Aircraft Corporation where he established a centralized planning effort generally toward a corporate diversification plan and specifically toward the development of missile and space system programs. In 1965 he became Vice President of Lock-heed Aircraft Corporation and General Manager of the Missiles and Space Division. In 1957 Mr. Root was made Group Vice President Missiles and Electronics of Lockheed Missiles and Space Division Lockheed Electronics Company and Grand Central Rocket Company where he served in this capacity until 1961 when he became President of Lockheed Missiles and Space Company in which position he is currently serving. Mr. Root has been very active in the aeronautic field serving on many committees and acting as aircraft design consultant. He holds the patent for central surface shape for aerodynamic balancing and has published many papers within the field. He has also been listed in “Who's Who in America” “Who's Who in the West” “Who's Who in Space” “Men of Space”

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