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The Accelerometer Methods Of Obtaining Aircraft Performance From Flight Test Data Dynamic Performance Testing
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Book Synopsis The Accelerometer Methods of Obtaining Aircraft Performance from Flight Test Data (Dynamic Performance Testing). by : William R. Simpson
Download or read book The Accelerometer Methods of Obtaining Aircraft Performance from Flight Test Data (Dynamic Performance Testing). written by William R. Simpson and published by . This book was released on 1979 with total page 403 pages. Available in PDF, EPUB and Kindle. Book excerpt: There are, in general, two basic methods of obtaining aircraft performance from flight test data. The first of these methods, the Direct method, is to fly a particular maneuver of interest and mathematically correct this maneuver to a given set of standard conditions. Several similar maneuvers at different flight conditions are then combined in a composite map representing one aspect of the aircraft performance. The Indirect method is more subtle and has its basis deeper in theory. By this method, a group of aerodynamic and propulsion parameters are developed which in themselves are only numbers and do not represent performance. These parameters are not tied to a specific maneuver or maneuver type, but in general relate the physical forces required to achieve a certain flight condition. Such parameters for an aircraft would be the drag coefficient, lift coefficient, thrust available, fuel flow requirements, etc. However, these parameters can be combined with known facts about the airframe and propulsion system in such a fashion as to compute airplane performance. With the advent of highly accurate accelerometers, the dynamic maneuvers have become attractive for development of aerodynamic data when obtaining aircraft performance using the Indirect Method.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Use of Flight Path Accelerometers in Performance Flight Testing: Test Techniques, Data Analysis Methods and Typical Results by : Lester H. Berven
Download or read book Use of Flight Path Accelerometers in Performance Flight Testing: Test Techniques, Data Analysis Methods and Typical Results written by Lester H. Berven and published by . This book was released on 1969 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: The application of flightpath accelerometers in performance flight testing has been of continuing interest to the Air Force Flight Test Center. Much practical experience in flightpath accelerometer technology was gained during performance testing the Cessna A-37A aircraft at the AFFTC. Flight test techniques used during this program were designed to take advantage of the characteristics of the FPA. The results of this testing show that the FPA can provide accurate, consistent data for defining constant Mach drag polars, external store drag, climb/ accelerate potential and can be used for in-flight calibration of jet exhaust nozzles. The accuracy and consistency of the FPA data is however, dependent on corrections for manufacturing errors, aero-dynamic upwash, errors caused by aircraft pitch rates and accelerations and for the response lag of the FPA/vane unit during rapid angle of attack changes. This report explains some of the problems encountered while using the FPA and the corrections which were devised to solve them. It explains the data analysis methods used and presents flight test data for the maneuvers described. (Author).
Book Synopsis Index of Selected Publications by : Center for Naval Analyses
Download or read book Index of Selected Publications written by Center for Naval Analyses and published by . This book was released on 1980 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Index of Selected Publications (through December 1983). by : Center for Naval Analyses
Download or read book Index of Selected Publications (through December 1983). written by Center for Naval Analyses and published by . This book was released on 1984 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Collection of Technical Papers by :
Download or read book A Collection of Technical Papers written by and published by . This book was released on 1972 with total page 716 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Aeronautical Engineering written by and published by . This book was released on 1971 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt: A selection of annotated references to unclassified reports and journal articles that were introduced into the NASA scientific and technical information system and announced in Scientific and technical aerospace reports (STAR) and International aerospace abstracts (IAA)
Download or read book NASA SP. written by and published by . This book was released on 1988 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Comparison of the Energy Method with the Accelerometer Method of Computing Drag Coefficients from Flight Data by : Thomas L. Keller
Download or read book Comparison of the Energy Method with the Accelerometer Method of Computing Drag Coefficients from Flight Data written by Thomas L. Keller and published by . This book was released on 1945 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comparison was made between the energy and the accelerometer methods of computing drag coefficients from flight tests of the P-51B and the P-39N airplanes. The energy method was found to be unreliable with the present types of instrumentation except under the practically unattainable conditions of very steady flight at constant indicated airspeed within a vertically stationary air mass.
Download or read book Technical Abstract Bulletin written by and published by . This book was released on with total page 1048 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Airplane Performance on Grass Airfields by : Jaroslaw A. Pytka
Download or read book Airplane Performance on Grass Airfields written by Jaroslaw A. Pytka and published by CRC Press. This book was released on 2023-03-14 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt: Airplane Performance on Grass Airfields presents an experiment-based approach to analysis and flight testing of airfield performance on grass runways. It discusses improvements for operational efficiency and safety of these airfields. The book analyzes the interaction between the landing gear wheels and the surface of a grass runways during both takeoff and landing. Considering the ground performance of an aircraft on a grass runway, the book covers test methods and devices for measuring performance and introduces an information system for the surface condition of grass airfields: GARFIELD. The system is based on a tire-grass interaction model and uses digital soil maps, as well as current meteorological data obtained from a weather server. The book is intended for researchers and practicing engineers in the fields of aviation and aircraft safety and performance.
Download or read book Rotorcraft Dynamics 1984 written by and published by . This book was released on 1985 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Confidential Documents by : United States. Army Air Forces
Download or read book Confidential Documents written by United States. Army Air Forces and published by . This book was released on 1948-08 with total page 1252 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Research Reviews written by and published by . This book was released on 1958 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Naval Research Reviews written by and published by . This book was released on 1958 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research Reviews by : United States. Office of Naval Research
Download or read book Research Reviews written by United States. Office of Naval Research and published by . This book was released on 1958 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book X-29 Flight-research Program written by and published by . This book was released on 1984 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
