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Aero Propulso Elastic Analysis Of A Supersonic Transport
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Book Synopsis Aero-propulso-elastic Analysis of a Supersonic Transport by : Joseph W. Connolly
Download or read book Aero-propulso-elastic Analysis of a Supersonic Transport written by Joseph W. Connolly and published by . This book was released on 2018 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this dissertation is to develop a modeling methodology of a nonlinear dynamic propulsion system and its integration with a computational fluid dynamics tool suitable for aeroelastic studies. A sensitivity study is conducted to investigate the vehicle structural response and propulsion system performance. The new modeling capability expands typical computational fluid dynamics based aeroelastic analysis by adding a nonlinear dynamic model of the turbomachinery that is capable of capturing relevant gas dynamics. An example case of the aero-propulso-elastic (APE) modeling capability is explored for a supersonic transport with turbofan engines. The propulsion system is composed of an external compression inlet, variable cycle turbofan engine, and convergent-divergent nozzle, where each component model uses a computational fluid dynamics approach to capture the dominant dynamics. The turbomachinery is modeled using a volume dynamics approach, where the focus is on one-dimensional computational analysis. The internal ducts of the inlet and nozzle are modeled with a quasi-one-dimensional MacCormack method. Each individual propulsion component model is compared against independently developed higher fidelity modeling methods and experimental test data, where available. The individual component models are then integrated into an overall simple propulsion system model. This allows for dynamic analysis, control design studies, and for a comparative verification of the turbomachinery model integrated with the higher fidelity three-dimensional computational model required for APE analysis. An overview of the methodology for integrating the propulsion system and elastic vehicle is provided. This is followed by a sensitivity study to explore coupling sensitivities compared against typical aeroelastic analysis. Dynamic and static vehicle responses are considered across key flight conditions and vehicle-level angles of attack, where the inclusion of the propulsion system has a 10% increase in vehicle wing tip deformations. It is found that the propulsion system is stable at various operating conditions, with structural oscillations having little impact on propulsion system performance. Perceived loudness, a key performance metric for a supersonic transport, is investigated using the APE model. APE results lead to an approximately 4 dB increase in noise over a rigid body analysis that neglects the propulsion system. By including the propulsion system in the analysis, the greatest impacts are shown during off nominal conditions, indicating that this modeling capability provides a powerful tool for detailed analysis during maneuvers and off design conditions.
Book Synopsis Supersonic Propulsion Model for Use in Aero Propulso Servo Elastic Vehicle Dynamics Investigation by : Joseph W. Connolly
Download or read book Supersonic Propulsion Model for Use in Aero Propulso Servo Elastic Vehicle Dynamics Investigation written by Joseph W. Connolly and published by . This book was released on 2009 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Under the NASA Fundamental Aeronautics Program the Supersonics Project aims to overcome the obstacles associated with supersonic commercial flight. The proposed vehicles are long slim body aircraft with pronounced aero-servo-elastic modes. These modes, coupled with propulsion system dynamics, can potentially lead to design challenges that influence performance characteristics such as aircraft ride quality and stability. Other disturbances upstream of the engine generated from atmospheric wind gusts, angle of attack, and yaw may also affect ride quality and stability. These design considerations can also compete with each other as well, which further complicates the development of the vehicle. To study these phenomena and their interactions an integrated model is needed that includes both airframe structural dynamics as well as the propulsion system dynamics. The focus here will be for optimal propulsion system performance, where normal inlet-engine operations are required to be closer to compressor stall and inlet unstart. This paper covers the propulsion system component modeling and controls development of an integrated mixed compression inlet and turbojet engine that will be used for a preliminary overall vehicle Aero-Propulso-Servo- Elastic model.
Book Synopsis Dynamics of Flexible Aircraft by : Rafael Palacios
Download or read book Dynamics of Flexible Aircraft written by Rafael Palacios and published by Cambridge University Press. This book was released on 2023-06-30 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explore the connections among aeroelasticity, flight dynamics, and control with an up-to-date multidisciplinary approach. New insights into the interaction between these fields, which is a distinctive feature of many modern aircraft designed for very high aerodynamic efficiency, are fully illustrated in this one-of-a-kind book. Presenting basic concepts in a systematic and rigorous, yet accessible way, this book builds up to state-of-the-art models through an intuitive step-by-step approach. Both linear and nonlinear attributes are covered and, by revisiting classical solutions using modern analysis methods, this book provides a unique perspective to bridge the gap between disciplines. Numerous original numerical examples, including online source codes, help to build intuition through hands-on activities. This book will empower the reader to design better and more environmentally friendly aircraft, and is an ideal resource for graduate students, researchers, and aerospace engineers.
Book Synopsis The Supersonic Transport by : Langley Research Center
Download or read book The Supersonic Transport written by Langley Research Center and published by . This book was released on 1960 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Supersonic Transport Systems Analysis by : Cornell Aeronautical Laboratory
Download or read book Supersonic Transport Systems Analysis written by Cornell Aeronautical Laboratory and published by . This book was released on 1965 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Preliminary Study of Handling-qualities Requirements of Supersonic Transports in High-speed Cruising Flight Using Piloted Simulators by :
Download or read book A Preliminary Study of Handling-qualities Requirements of Supersonic Transports in High-speed Cruising Flight Using Piloted Simulators written by and published by . This book was released on 1963 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :North Atlantic Treaty Organization. Research and Technology Organization Publisher : ISBN 13 : Total Pages :342 pages Book Rating :4.E/5 ( download)
Book Synopsis Fluid Dynamics Research on Supersonic Aircraft by : North Atlantic Treaty Organization. Research and Technology Organization
Download or read book Fluid Dynamics Research on Supersonic Aircraft written by North Atlantic Treaty Organization. Research and Technology Organization and published by . This book was released on 1998 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contains the lecture notes prepared for a Special Course on Fluid Dynamics Research on Supersonic Aircraft organized by the RTO Applied Vehicle Technology Panel (AVT). The Course was held at the von Kármán Institute for Fluid Dynamics (VKI) Institute, Rhode-Saint-Genèse, Belgium 25-29 May 1998. The following topics were covered: History & Economics of Supersonic Transports, Supersonic Aerodynamics, Sonic Boom Theory and Minimization, Multi-Point Design Challenges, Vortex Plume Interactions, Propulsion System Design. Presentations on the major world wide supersonic transport programs were also included. The material assembled in this publication was prepared under the combined sponsorship of the RTO Applied Vehicle Technology Panel, the Consultant and Exchange Program of RTO, and the von Kármán Institute (VKI) for Fluid Dynamics.
Book Synopsis Supersonic Aeroelastic Effects on Static Stability and Control: Aeroelastic interaction, by V. W. Donato by : Bell Aircraft Corporation
Download or read book Supersonic Aeroelastic Effects on Static Stability and Control: Aeroelastic interaction, by V. W. Donato written by Bell Aircraft Corporation and published by . This book was released on 1960 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Summary of Current Economic Studies of the United States Supersonic Transport by : United States. Office of Supersonic Transport Development
Download or read book Summary of Current Economic Studies of the United States Supersonic Transport written by United States. Office of Supersonic Transport Development and published by . This book was released on 1969 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aerodynamic Characteristics of a Tailless Fixed-wing Supersonic Transport Configuration at Mach Number 2.20 by : Gerald V. Foster
Download or read book Aerodynamic Characteristics of a Tailless Fixed-wing Supersonic Transport Configuration at Mach Number 2.20 written by Gerald V. Foster and published by . This book was released on 1964 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Integrating Aerodynamics and Structures in the Minimum Weight Design of a Supersonic Transport Wing by :
Download or read book Integrating Aerodynamics and Structures in the Minimum Weight Design of a Supersonic Transport Wing written by and published by . This book was released on 1992 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aerodynamic Design and Analysis of the AST-200 Supersonic Transport Configuration Concept by :
Download or read book Aerodynamic Design and Analysis of the AST-200 Supersonic Transport Configuration Concept written by and published by . This book was released on 1979 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Supersonic Transports by : United States. Flight Standards Service
Download or read book Supersonic Transports written by United States. Flight Standards Service and published by . This book was released on 1961 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An analysis of the development of the supersonic transport aircraft in the United States by : Joe Ronald Bower
Download or read book An analysis of the development of the supersonic transport aircraft in the United States written by Joe Ronald Bower and published by . This book was released on 1967 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aeroelastic Analyses of the SemiSpan Supersonic Transport (S4T) Wind Tunnel Model at Mach 0.95 by : Jiyoung Hur
Download or read book Aeroelastic Analyses of the SemiSpan Supersonic Transport (S4T) Wind Tunnel Model at Mach 0.95 written by Jiyoung Hur and published by . This book was released on 2014 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis High-Speed Dreams by : Erik M. Conway
Download or read book High-Speed Dreams written by Erik M. Conway and published by JHU Press. This book was released on 2008-11-03 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: In High-Speed Dreams, Erik M. Conway constructs an insightful history that focuses primarily on the political and commercial factors responsible for the rise and fall of American supersonic transport research programs. Conway charts commercial supersonic research efforts through the changing relationships between international and domestic politicians, military/NASA contractors, private investors, and environmentalists. He documents post-World War II efforts at the National Advisory Committee on Aeronautics and the Defense Department to generate supersonic flight technologies, the attempts to commercialize these technologies by Britain and the United States during the 1950s and 1960s, environmental campaigns against SST technology in the 1970s, and subsequent attempts to revitalize supersonic technology at the end of the century. High-Speed Dreams is a sophisticated study of politics, economics, nationalism, and the global pursuit of progress. Historians, along with participants in current aerospace research programs, will gain valuable perspective on the interaction of politics and technology.
Book Synopsis Transonic Aerodynamic Characteristics of a Tailless Fixed-wing Supersonic Transport Model by : Edward J. Ray
Download or read book Transonic Aerodynamic Characteristics of a Tailless Fixed-wing Supersonic Transport Model written by Edward J. Ray and published by . This book was released on 1966 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
