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Wednesday, May 13, 2020 | History

3 edition of Prediction of forces and moments for hypersonic flight vehicle control effectors found in the catalog.

Prediction of forces and moments for hypersonic flight vehicle control effectors

Prediction of forces and moments for hypersonic flight vehicle control effectors

progress report and workplan

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Published by Dept. of Aerospace Engineering, Pennsylvania State University, National Aeronautics and Space Administration, National Technical Information Service, distributor in University Park, PA, [Washington, DC, Springfield, Va .
Written in English


Edition Notes

StatementMark D. Maughmer
SeriesNASA contractor report -- NASA CR-184666
ContributionsUnited States. National Aeronautics and Space Administration
The Physical Object
FormatMicroform
Pagination1 v
ID Numbers
Open LibraryOL14983267M

A hypersonic vehicle configuration with waverider derived wings is shown in Fig. 5. It is composed of an inlet as main body and two star-shaped geometries as wings. A total of three shockwaves are attached to this vehicle. Besides the added lift, the wings provide more volume to the entire vehicle. II.C. Scramjet Combustor Design.   Indeed, the hypersonic flight regime is defined as flight at Mach 5 or higher. This is, however, just a rule of thumb. As a vehicle accelerates from Mach to , the flow does not change from green to red, and there is no clap of thunder, unlike what happens when a vehicle accelerates from Mach to entering the supersonic flight.

  An artist's illustration of DARPA's Hypersonic Technology Vehicle 2 (HTV-2) travelling at 13, mph, or M during its Aug. 11, test flight. Other articles where Hypersonic flight is discussed: supersonic flight: sound (Mach 5), the term hypersonic flight is employed. An object traveling through Earth’s atmosphere at supersonic speed generates a sonic boom—i.e., a shock wave heard on the ground as a sound like a loud explosion.

  On Thursday, DARPA's unmanned Falcon Hypersonic Technology Vehicle-2 (HTV-2) was launched from Vandenberg Air Force Base in California aboard an Air Force Minotaur IV . Another concept is an air-launch enabled vehicle propelled by its own rocket, ramjet, or scramjet. In the late s and into the mids, the joint X hypersonic research program’s three rocket-powered vehicles flew a total of times investigating all aspects of piloted hypersonic flight.


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Prediction of forces and moments for hypersonic flight vehicle control effectors Download PDF EPUB FB2

PREDICTION OF FORCES AND MOMENTS FOR FLIGHT VEHICLE CONTROL EFFECTORS-- FINAL REPORT PART I: VALIDATION OF METHODS FOR PREDICTING HYPERSONIC VEHICLE CONTROLS FORCES AND MOMENTS i NASA Grant NAG g The National Aeronautics and Space Administration Langley Research Center ATTN: Dr.

John Shaughnessy MS Hampton, VA u. PREDICTION OF FORCES AND MOMENTS FOR HYPERSONIC FLIGHT VEHICLE CONTROL EFFECTORS Mark D. Maughmer Associate Professor of Aerospace Engineering •,r f" /,Lyle N. Long Assistant Professor of Aerospace Engineering Peter Graduate Resezrch Assistant Department of Aerospace Engineering Hammond Building The Pennsylvania State File Size: 2MB.

Get this from a library. Prediction of forces and moments for hypersonic flight vehicle control effectors: final report. [Mark D Maughmer; United States. National Aeronautics and Space Administration.;].

Maughmer, et al, "Prediction of Forces and Moments for Flight Vehicle Control Effectors," Final Report for NASA Grantfor the NASA Langley Research Center, May, Gilbert, M.G., et al, "The Application of Active Controls Technology to a Generic Hypersonic Aircraft Configuration," NASA TMMay, Author: D.K.

Schmidt. [Show full abstract] prediction of forces and moments for flight control studies. Specifically, several vehicle configurations for which experimental or flight-test data are available are being.

A vehicle designed to fly at hypersonic speed (more than five times the speed of sound) or to reenter the atmosphere must be able to withstand searing heat due to friction and shock waves. Special materials must be used to protect it and insulate the people and instruments on board from the heat.

Hypersonic Technology Vehicle 2 (HTV-2) is an experimental hypersonic glide vehicle developed as part of the DARPA Falcon Project capable of flying at 13, mph (Mach21, km/h).

It is a test bed for technologies to provide the United States with the capability to reach any target in the world within one hour (Prompt Global Strike) using an unmanned hypersonic bomber aircraft. hypersonic vehicle.

The overall goal of this hypersonic vehicle mod-eling effort is to create a three-dimensional flight simulation frame-work that includes coupled inertial, aerodynamic, propulsive, elastic, and thermal analysis in such a way to enable accurate control simula-tion.

The model should be accurate to within 10% and able to analyze. Title: A Comparison of Hypersonic Vehicle Flight and Prediction Results Author: Kenneth W. Iliff and Mary F.

Shafer Subject: NASA TM Keywords. For hypersonic flight control, the dynamic surface control is investigated on the dynamics with input constrains. Given the widespread use of digital computers and microprocessors for controls applications, the discrete-time case is certainly warranted and many papers are focusing on controller design for discrete-time systems [12], [13].Cited by: Hypersonic Vehicle Flight Dynamics with Coupled Aerodynamics and Reduced-order Propulsive Models only to calculate the net forces and moments on the inlet, combustor, and nozzle.

The result is a control-oriented hypersonic vehicle model that qualitatively captures the nonlinear interactions between vehicle dynamics and the scramjet engine.

With the capability of high speed flying, a more reliable and cost efficient way to access space isprovided by hypersonic flight vehicles. Controller design, as key technology to make hypersonic flight feasibleand efficient, has numerous challenges stemming from large flight envelope with extreme range of operationconditions, strong interactions between elastic airframe, the propulsion system Cited by: Unlike studies aimed at validating such methods for predicting overall vehicle aerodynamics, this effort emphasizes validating the prediction of forces and moments for flight control studies.

A modern treatment of hypersonic aerothermodynamics for students, engineers, scientists, and program managers involved in the study and application of hypersonic flight. It assumes an understanding of the basic principles of fluid mechanics, thermodynamics, compressible flow, and heat transfer.

Ten chapters address: general characterization of hypersonic flows; basic equations of motion 3/5(1). This volume addresses selected aerothermodynamic design problems for three vehicle classes: winged reentry, non-winged reentry, and airbreathing hypersonic flight vehicles.

Following an introductory chapter, the book presents the basics of flight trajectory mechanics, giving the aerothermodynamicist an understanding of the principal issues. The DARPA Falcon Project (Force Application and Launch from CONtinental United States) is a two-part joint project between the Defense Advanced Research Projects Agency (DARPA) and the United States Air Force (USAF) and is part of Prompt Global Strike.

One part of the program aims to develop a reusable, rapid-strike Hypersonic Weapon System (HWS), now retitled the Hypersonic Cruise Vehicle. The U.S. Air Force's $ million, nine-year test program for a hypersonic plane ended on a high note this week, when the last of its XA Waverider vehicles made the longest flight of its kind.

Endsley said the Air Force and DARPA, the Pentagon's research entity, plan to have a new and improved hypersonic air vehicle by "X was really a proof of concept test.

Scientists were discussing the possibilities of hypersonic flight early in the history of air power. InAustrian scientist, Eugen Sänger, wrote about a rocket flying at Mach 10 atfeet.6 Over the following decade, German scientists would make great strides in achieving hypersonic flight as they developed Germany’sFile Size: 1MB.

The X, shown in Figureis the only true manned hypersonic airplane flown to date. It was rocket powered, and started flight by being dropped from a B, so it was purely a research airplane. The first flight was by Scott Crossfield in June of The X reachedfeet in File Size: 1MB.

IMAGE: This issue has a special focus on advanced nonlinear control of hypersonic flight more. Credit: ©Science China Press.

Near space is of both military and commercial interest. And the Air Force worked with DARPA on the $ million XA program, which began in and wrapped up this month with the test flight of .A modern treatment of hypersonic aerothermodynamics for students, engineers, scientists, and program managers involved in the study and application of hypersonic flight.

It assumes an understanding of the basic principles of fluid mechanics, thermodynamics, compressible flow, and heat transfer.5/5(1).