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Development Of A Flush Airdata Sensing System On A Sharp Nosed Vehicle For Flight At Mach 3 To 8
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Book Synopsis Development of a Flush Airdata Sensing System on a Sharp-nosed Vehicle for Flight at Mach 3 to 8 by : Mark C. Davis
Download or read book Development of a Flush Airdata Sensing System on a Sharp-nosed Vehicle for Flight at Mach 3 to 8 written by Mark C. Davis and published by . This book was released on 2000 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: NASA Dryden Flight Research Center has developed a flush airdata sensing (FADS) system on a sharp-nosed, wedge-shaped vehicle. This paper details the design and calibration of a real-time angle-of-attack estimation scheme developed to meet the onboard airdata measurement requirements for a research vehicle equipped with a supersonic-combustion ramjet engine. The FADS system has been designed to perform in flights at speeds between Mach 3 and Mach 8 and at angles of attack between -6° and 12°. The description of the FADS architecture includes port layout, pneumatic design, and hardware integration. Predictive models of static and dynamic performance are compared with wind-tunnel results across Mach and angle-of-attack range. Results indicate that static angle-of-attack accuracy and pneumatic lag can be adequately characterized and incorporated into a real-time algorithm.
Book Synopsis Development of a Flush Airdata Sensing System on a Sharp-nosed Vehicle for Flight at Mach 3 to 8 by : Mark C. Davis
Download or read book Development of a Flush Airdata Sensing System on a Sharp-nosed Vehicle for Flight at Mach 3 to 8 written by Mark C. Davis and published by . This book was released on 2000 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Prediction and Validation Technologies of Aerodynamic Force and Heat for Hypersonic Vehicle Design by : Min Zhao
Download or read book Prediction and Validation Technologies of Aerodynamic Force and Heat for Hypersonic Vehicle Design written by Min Zhao and published by Springer Nature. This book was released on 2021-03-01 with total page 257 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an overview of advanced prediction and verification technologies for aerodynamics and aerothermodynamics and assesses a number of critical issues in advanced hypersonic vehicle design. Focusing on state-of-the-art theories and promising technologies for engineering applications, it also presents a range of representative practical test cases. Given its scope, the book offers a valuable asset for researchers who are interested in thermodynamics, aircraft design, wind tunnel testing, fluid dynamics and aerothermodynamics research methods, introducing them to inspiring new research topics.
Book Synopsis Advances in Guidance, Navigation and Control by : Liang Yan
Download or read book Advances in Guidance, Navigation and Control written by Liang Yan and published by Springer Nature. This book was released on 2023-02-10 with total page 7455 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book features the latest theoretical results and techniques in the field of guidance, navigation, and control (GNC) of vehicles and aircrafts. It covers a wide range of topics, including but not limited to, intelligent computing communication and control; new methods of navigation, estimation and tracking; control of multiple moving objects; manned and autonomous unmanned systems; guidance, navigation and control of miniature aircraft; and sensor systems for guidance, navigation and control etc. Presenting recent advances in the form of illustrations, tables, and text, it also provides detailed information of a number of the studies, to offer readers insights for their own research. In addition, the book addresses fundamental concepts and studies in the development of GNC, making it a valuable resource for both beginners and researchers wanting to further their understanding of guidance, navigation, and control.
Book Synopsis Development of a Pneumatic High-angle-of-attack Flush Airdata Sensing (HI-FADS) System by :
Download or read book Development of a Pneumatic High-angle-of-attack Flush Airdata Sensing (HI-FADS) System written by and published by . This book was released on 1991 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Flush Airdata Sensing (FADS) System Calibration Procedures and Results for Blunt Forebodies by : Brent R. Cobleigh
Download or read book Flush Airdata Sensing (FADS) System Calibration Procedures and Results for Blunt Forebodies written by Brent R. Cobleigh and published by . This book was released on 1999 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: Blunt-forebody pressure data are used to study the behavior of the NASA Dryden Flight Research Center flush airdata sensing (FADS) pressure model and solution algorithm. The model relates surface pressure measurements to the airdata state. Spliced from the potential flow solution for uniform flow over a sphere and the modified Newtonian impact theory, the model was shown to apply to a wide range of blunt-forebody shapes and Mach numbers. Calibrations of a sphere, spherical cones, a Rankine half body, and the F-14, F/A-18, X-33, X-34, and X-38 configurations are shown. The three calibration parameters are well-behaved from Mach 0.25 to Mach 5.0, an angle-of-attack range extending to greater than 30 deg., and an angle-of-sideslip range extending to greater than 15 deg. Contrary to the sharp calibration changes found on traditional pitot-static systems at transonic speeds, the FADS calibrations are smooth, monotonic functions of Mach number and effective angles of attack and sideslip. Because the FADS calibration is sensitive to pressure port location, detailed measurements of the actual pressure port locations on the flight vehicle are required and the wind-tunnel calibration model should have pressure ports in similar locations. The procedure for calibrating a FADS system is outlined.
Book Synopsis Preliminary Results from a Subsonic High Angle-of-attack Flush Airdata Sensing (HI-FADS) System: Design, Calibration, and Flight Test Evaluation by : Stephen A. Whitmore
Download or read book Preliminary Results from a Subsonic High Angle-of-attack Flush Airdata Sensing (HI-FADS) System: Design, Calibration, and Flight Test Evaluation written by Stephen A. Whitmore and published by . This book was released on 1990 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design and Calibration of the X-33 Flush Airdata Sensing (FADS) System by : Stephen A. Whitmore
Download or read book Design and Calibration of the X-33 Flush Airdata Sensing (FADS) System written by Stephen A. Whitmore and published by . This book was released on 1998 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis In-flight Demonstration of a Real-Time Flush Airdata Sensing (RT-FADS) System by :
Download or read book In-flight Demonstration of a Real-Time Flush Airdata Sensing (RT-FADS) System written by and published by . This book was released on 1995 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781720527091 Total Pages :32 pages Book Rating :4.5/5 (27 download)
Book Synopsis Flush Airdata Sensing (Fads) System Calibration Procedures and Results for Blunt Forebodies by : National Aeronautics and Space Administration (NASA)
Download or read book Flush Airdata Sensing (Fads) System Calibration Procedures and Results for Blunt Forebodies written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-05-31 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Blunt-forebody pressure data are used to study the behavior of the NASA Dryden Flight Research Center flush airdata sensing (FADS) pressure model and solution algorithm. The model relates surface pressure measurements to the airdata state. Spliced from the potential flow solution for uniform flow over a sphere and the modified Newtonian impact theory, the model was shown to apply to a wide range of blunt-forebody shapes and Mach numbers. Calibrations of a sphere, spherical cones, a Rankine half body, and the F-14, F/A-18, X-33, X-34, and X-38 configurations are shown. The three calibration parameters are well-behaved from Mach 0.25 to Mach 5.0, an angle-of-attack range extending to greater than 30 deg, and an angle-of-sideslip range extending to greater than 15 deg. Contrary to the sharp calibration changes found on traditional pitot-static systems at transonic speeds, the FADS calibrations are smooth, monotonic functions of Mach number and effective angles of attack and sideslip. Because the FADS calibration is sensitive to pressure port location, detailed measurements of the actual pressure port locations on the flight vehicle are required and the wind-tunnel calibration model should have pressure ports in similar locations. The procedure for calibrating a FADS system is outlined.Cobleigh, Brent R. and Whitmore, Stephen A. and Haering, Edward A., Jr. and Borrer, Jerry and Roback, V. EricArmstrong Flight Research Center; Johnson Space Center; Langley Research CenterPROCEDURES; CALIBRATING; FOREBODIES; MATHEMATICAL MODELS; ALGORITHMS; POTENTIAL FLOW; PRESSURE MEASUREMENT; NEWTON THEORY; ANGLE OF ATTACK; DETECTION; F-14 AIRCRAFT; MACH NUMBER; POSITION (LOCATION); SENSITIVITY; SHAPES; SIDESLIP; SPHERES; TRANSONIC SPEED; UNIFORM FLOW; WIND TUNNEL CALIBRATION; X-33 REUSABLE LAUNCH VEHICLE; X-34 REUSABLE LAUNCH VEHICLE; X-38 CREW RETURN VEHICLE
Book Synopsis Application of a Flush Airdata Sensing System to a Wing Leading Edge (LE-FADS) by : Stephen A. Whitmore
Download or read book Application of a Flush Airdata Sensing System to a Wing Leading Edge (LE-FADS) written by Stephen A. Whitmore and published by . This book was released on 1993 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781722149055 Total Pages :36 pages Book Rating :4.1/5 (49 download)
Book Synopsis Design and Calibration of the X-33 Flush Airdata Sensing (Fads) System by : National Aeronautics and Space Administration (NASA)
Download or read book Design and Calibration of the X-33 Flush Airdata Sensing (Fads) System written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper presents the design of the X-33 Flush Airdata Sensing (FADS) system. The X-33 FADS uses a matrix of pressure orifices on the vehicle nose to estimate airdata parameters. The system is designed with dual-redundant measurement hardware, which produces two independent measurement paths. Airdata parameters that correspond to the measurement path with the minimum fit error are selected as the output values. This method enables a single sensor failure to occur with minimal degrading of the system performance. The paper shows the X-33 FADS architecture, derives the estimating algorithms, and demonstrates a mathematical analysis of the FADS system stability. Preliminary aerodynamic calibrations are also presented here. The calibration parameters, the position error coefficient (epsilon), and flow correction terms for the angle of attack (delta alpha), and angle of sideslip (delta beta) are derived from wind tunnel data. Statistical accuracy of' the calibration is evaluated by comparing the wind tunnel reference conditions to the airdata parameters estimated. This comparison is accomplished by applying the calibrated FADS algorithm to the sensed wind tunnel pressures. When the resulting accuracy estimates are compared to accuracy requirements for the X-33 airdata, the FADS system meets these requirements. Whitmore, Stephen A. and Cobleigh, Brent R. and Haering, Edward A. Armstrong Flight Research Center RTOP 242-33-02-00-23...
Book Synopsis Flight and Wind Tunnel Calibrations of a Flush Airdata Sensor at High Angles of Attack and Sideslip and at Supersonic Mach Numbers by : Timothy R. Moes
Download or read book Flight and Wind Tunnel Calibrations of a Flush Airdata Sensor at High Angles of Attack and Sideslip and at Supersonic Mach Numbers written by Timothy R. Moes and published by . This book was released on 1993 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Flight Evaluation of the X-15 Ball-nose Flow-direction Sensor as an Air-data System by : John P. Cary
Download or read book Flight Evaluation of the X-15 Ball-nose Flow-direction Sensor as an Air-data System written by John P. Cary and published by . This book was released on 1965 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA SP. written by and published by . This book was released on 1992 with total page 654 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 1992 with total page 648 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).
Book Synopsis International Aerospace Abstracts by :
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1999 with total page 974 pages. Available in PDF, EPUB and Kindle. Book excerpt:
