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OCR for page 277
Aeronautical Technologies for the Twenty-First Century APPENDIX B ABBREVIATIONS AND ACRONYMS ACCL Advanced Computational Concepts Laboratory ACE Aircraft Efficiency program ACT advanced composites technology ADS Automated Dependent Surveillance AEDC Arnold Engineering Development Center AHS American Helicopter Society AIA Aerospace Industries Association ARC Ames Research Center ASIP Aircraft Structural Integrity Program ASM available seat-miles ASRS Aviation Safety Reporting System AST Advanced subsonic transport ATF Advanced Tactical Fighter ATM air traffic management BPR bypass ratio CDTI cockpit display of traffic information CFD computational fluid dynamics CIM computer-integrated manufacturing CIS Commonwealth of Independent States CMC ceramic matrix composite CPAS composite primary aircraft structure CRT cathode-ray tube CTM cargo ton-miles CTOL conventional takeoff and landing CVD chemical vapor deposition dB decibels DNS direct numerical simulation
OCR for page 278
Aeronautical Technologies for the Twenty-First Century DOC direct operating cost DoD Department of Defense DoE Department of Energy E3 Energy Efficient Engine program ECI Engine Component Improvement program ECS engine control system EPA Environmental Protection Agency EPNdB effective perceived noise in decibels FAA Federal Aviation Administration FAEDC full-authority electronic digital control FAR Federal Aviation Regulation GA general aviation GE General Electric GNSS Global Navigational Satellite System GPS Global Positioning System HB high bypass HF high frequency HP high pressure HPCI High-Performance Computing Initiative HSCT high-speed civil transport ICAO International Civil Aviation Organization IFR instrument flight rule IHPTET integrated high-performance turbine engine technology ILS instrument landing system IMC intermetallic matrix composite INS inertial navigation system IPC intelligent process control LaRC Langley Research Center lbf pounds force L/D lift-to-drag ratio LDV laser-Doppler velocimeter LeRC Lewis Research Center LFC laminar flow control LP low pressure LPP lean primed prevaporized MATE Materials for Advanced Technology Engine MFLOPS million floating point operations per second MLS microwave landing system MMC metal matrix composite MTBF mean time between failures NACA National Advisory Committee on Aeronautics
OCR for page 279
Aeronautical Technologies for the Twenty-First Century NAS National Academy of Sciences NAS Numerical Aerodynamic Simulation NASA National Aeronautics and Space Administration NASP National Aerospace Plane NDE nondestructive evaluation nmi nautical miles NOAA National Oceanic and Atmospheric Administration NOE nap-of-the-earth NOx nitrogen oxide NPSS Numerical Propulsion System Simulator NRC National Research Council NTF National Transonic Facility NTSB National Transportation Safety Board OAST Office of Aeronautics and Space Technology OEI operating environment information OSI open system interconnection OSTP Office of Science and Technology Policy P&W Pratt & Whitney PMC polymer matrix composite PNdB perceived noise in decibels psf pounds per square foot psi pounds per square inch RBQQ rich burn quick quench RCS reaction control system RPM revenue passenger-miles RTM revenue ton-miles RVR runway visual range SCAS stability and command augmentation system sfc specific fuel consumption shp specific horsepower SSR secondary surveillance radar SST supersonic transport STOL short takeoff and landing TCAS Terminal Collision Avoidance System TOGW total gross weight TRB Transportation Research Board TSFC thrust-specific fuel consumption UHF ultrahigh frequency USAF United States Air Force VEN variable exit nozzle VHB very high bypass VHF very high frequency
OCR for page 280
Aeronautical Technologies for the Twenty-First Century VOR VHF omnidirectional range VTOL vertical takeoff and landing
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