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ISBN 13 :
Total Pages : 140 pages
Book Rating : 4.:/5 (317 download)
Download or read book A Formulation of Rotor-airframe Coupling for Design Analysis of Vibrations of Helicopter Airframes written by and published by . This book was released on 1982 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert Sopher
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ISBN 13 :
Total Pages : 214 pages
Book Rating : 4.:/5 (317 download)
Download or read book Coupled Rotor/airframe Vibration Analysis written by Robert Sopher and published by . This book was released on 1982 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes a Coupled Rotor/Airframe Vibration Analysis which was developed as a design tool for predicting helicopter vibrations, and a research tool to quantify the effects of structural properties, aerodynamic interactions and vibration reduction devices on vehicle vibration levels. The analysis consists of a Base Program utilizing an impedance matching technique to represent the coupled rotor/airframe dynamics of the system supported by inputs from several External Programs supplying sophisticated rotor and airframe aerodynamic and structural dynamic representation. The Base Program has a stand-alone capability to provide assessment of the effects of changes in airframe dynamics and vibration reduction devices on vehicle vibration levels. The Base Program is too restricted in input support from any particular programs and can be executed interactively from any particular programs and can be executed interactively for many pertinent applications.
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781723548345
Total Pages : 228 pages
Book Rating : 4.5/5 (483 download)
Download or read book Correlation of Ah-1g Airframe Flight Vibration Data with a Coupled Rotor-Fuselage Analysis written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-24 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: The formulation and features of the Rotor-Airframe Comprehensive Analysis Program (RACAP) is described. The analysis employs a frequency domain, transfer matrix approach for the blade structural model, a time domain wake or momentum theory aerodynamic model, and impedance matching for rotor-fuselage coupling. The analysis is applied to the AH-1G helicopter, and a correlation study is conducted on fuselage vibration predictions. The purpose of the study is to evaluate the state-of-the-art in helicopter fuselage vibration prediction technology. The fuselage vibration predicted using RACAP are fairly good in the vertical direction and somewhat deficient in the lateral/longitudinal directions. Some of these deficiencies are traced to the fuselage finite element model. Sangha, K. and Shamie, J. Unspecified Center NASA-CR-181974, NAS 1.26:181974 NAS1-17498; RTOP 505-63-51-01...
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ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.:/5 (317 download)
Download or read book Langley Rotorcraft Structural Dynamics Program: Background, Status, Accomplishments, Plans written by and published by . This book was released on 1989 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 702 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Shmuel Fledel
Publisher :
ISBN 13 :
Total Pages : 304 pages
Book Rating : 4.:/5 (229 download)
Download or read book Coupled Rotor/airframe Vibration Analysis written by Shmuel Fledel and published by . This book was released on 1989 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.:/5 (317 download)
Download or read book The NASA/industry Design Analysis Methods for Vibrations (DAMVIBS) Program: Accomplishments and Contributions written by and published by . This book was released on 1991 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michael J. Rutkowski
Publisher :
ISBN 13 :
Total Pages : 84 pages
Book Rating : 4.:/5 (31 download)
Download or read book The Vibration Characteristics of a Coupled Helicopter Rotor-fuselage by a Finite Element Analysis written by Michael J. Rutkowski and published by . This book was released on 1983 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 980 pages
Book Rating : 4.:/5 (318 download)
Download or read book NASA's Contributions to Aeronautics: Aerodynamics, structures, propulsion, controls written by and published by . This book was released on 2010 with total page 980 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two-volume collection of case studies on aspects of NACA-NASA research by noted engineers, airmen, historians, museum curators, journalists, and independent scholars. Explores various aspects of how NACA-NASA research took aeronautics from the subsonic to the hypersonic era.-publisher description.
Author : Ming-Sheng Huang
Publisher :
ISBN 13 :
Total Pages : 196 pages
Book Rating : 4.:/5 (12 download)
Download or read book Coupled Rotor/airframe Vibrations with Elastic Fuselage and Inplane Degrees of Freedom written by Ming-Sheng Huang and published by . This book was released on 1983 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 538 pages
Book Rating : 4.3/5 (91 download)
Download or read book Aeronautical Engineering written by and published by . This book was released on 1991 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Superintendent of Documents
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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (89 download)
Download or read book Monthly Catalog of United States Government Publications written by United States. Superintendent of Documents and published by . This book was released on 1985 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index
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ISBN 13 :
Total Pages : 410 pages
Book Rating : 4.F/5 ( download)
Download or read book NASA Scientific and Technical Publications written by and published by . This book was released on 1987 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 980 pages
Book Rating : 4.3/5 ( download)
Download or read book NASA's Contributions to Aeronautics written by and published by . This book was released on 2010 with total page 980 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ahmed Khairy Noor
Publisher :
ISBN 13 :
Total Pages : 536 pages
Book Rating : 4.X/5 (2 download)
Download or read book Flight-vehicle Materials, Structures, and Dynamics--assessment and Future Directions: Structural dynamics and aeroelasticity written by Ahmed Khairy Noor and published by . This book was released on 1992 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fifth volume of a six-volume monograph, the objective of which is to broaden the awareness among material scientists, engineers, and research workers about the recent developments which can impact future flight vehicles. The present volume, Volume 5, is divided into three parts. The first part h
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Publisher : DIANE Publishing
ISBN 13 : 1428995803
Total Pages : 115 pages
Book Rating : 4.4/5 (289 download)
Download or read book A Historical Overview of Aeroelasticity Branch and Transonic Dynamics Tunnel Contributions to Rotorcraft Technology and Development written by and published by DIANE Publishing. This book was released on 2001 with total page 115 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 396 pages
Book Rating : 4.3/5 (91 download)
Download or read book NASA SP. written by and published by . This book was released on 1962 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt:
