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Development And Demonstration Of Active Noise Control Concepts
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Book Synopsis DEVELOPMENT AND DEMONSTRATION OF ACTIVE NOISE CONTROL CONCEPTS FINAL REPORT... NASA by : United States. National Aeronautics and Space Administration
Download or read book DEVELOPMENT AND DEMONSTRATION OF ACTIVE NOISE CONTROL CONCEPTS FINAL REPORT... NASA written by United States. National Aeronautics and Space Administration and published by . This book was released on 2002* with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781721094202 Total Pages :154 pages Book Rating :4.0/5 (942 download)
Book Synopsis Development and Demonstration of Active Noise Control Concepts by : National Aeronautics and Space Administration (NASA)
Download or read book Development and Demonstration of Active Noise Control Concepts written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-13 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report details design methods for and feasibility of an Active Noise Control (ANC) system using flush-wall-mounted sensors and actuators to reduce turbofan engine rotor-stator interaction noise. ANC concepts capable of suppressing discrete-tone spinning modes containing several cut-on radial mode were identified, developed analytically, and evaluated. Separate ANC systems that suppressed at least three radial modes in a cylindrical inlet duct and three radial modes in an exhaust annulus were developed. These designs resulted in inlet duct and exhaust duct tests that were performed at NASA on the 4-ft ANC Fan in the NASA Glenn AAPL facility. Effective suppression of 2-BPF spinning mode m = 2 tone noise was achieved over a range of fan speeds 1800 to 2450 rpm, where up to 4 radials were present. In the inlet duct, up to 12 dB reduction was obtained for 3 radial modes, and up to 4 dB was obtained with 4 radial modes. In the exhaust duct, up to 15 dB PWL reduction was obtained with either two or three radial modes present. Thus, the ability to suppress multiple radial modes for tones in both the inlet and exhaust ducts has been successfully demonstrated. Implications of ANC system design requirements on installation and system integration issues for ANC systems capable of suppressing higher order radial mode content when applied to a 767 using twin CF6 engines were evaluated analytically. The analytical results indicated an ANC system must be part of an integrated design to be effective. Kraft, R. and Hu, Z. and Sommerfeldt, S. and Walker, B. and Hersh, A. and Luo, H. and Spencer, M. and Hallman, D. and Mitchell, C. and Sutliff, D. Glenn Research Center NAS3-27720; RTOP 522-81-11
Book Synopsis Development and Demonstration of Active Noise Control Concepts by :
Download or read book Development and Demonstration of Active Noise Control Concepts written by and published by . This book was released on 2000 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. House. Committee on Appropriations. Subcommittee on VA, HUD, and Independent Agencies Publisher : ISBN 13 : Total Pages :668 pages Book Rating :4.3/5 ( download)
Book Synopsis Departments of Veterans Affairs and Housing and Urban Development, and Independent Agencies Appropriations for 1998 by : United States. Congress. House. Committee on Appropriations. Subcommittee on VA, HUD, and Independent Agencies
Download or read book Departments of Veterans Affairs and Housing and Urban Development, and Independent Agencies Appropriations for 1998 written by United States. Congress. House. Committee on Appropriations. Subcommittee on VA, HUD, and Independent Agencies and published by . This book was released on 1997 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Understanding Active Noise Cancellation by : Colin N. Hansen
Download or read book Understanding Active Noise Cancellation written by Colin N. Hansen and published by CRC Press. This book was released on 2002-05-03 with total page 173 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding Active Noise Cancellation Provides a concise introduction to the fundamentals and applications of active control of vibration and sound for the non-expert. It is also a useful quick reference for the specialist engineer. The book emphasises the practical applications of technology, and complex control algorithms and structures are only discussed to the extent that they aid understanding. Extensive recommendations for further reading on the subject are provided, but the text will stand alone for those seeking an overview of the key issues: fundamentals, control systems, transducers, applications and possible future directions.
Author :United States. Congress. House. Committee on Appropriations. Subcommittee on VA, HUD, and Independent Agencies Publisher : ISBN 13 : Total Pages :1048 pages Book Rating :4.0/5 (5 download)
Book Synopsis Departments of Veterans Affairs and Housing and Urban Development, and Independent Agencies Appropriations for 1997: National Aeronautics and Space Administration by : United States. Congress. House. Committee on Appropriations. Subcommittee on VA, HUD, and Independent Agencies
Download or read book Departments of Veterans Affairs and Housing and Urban Development, and Independent Agencies Appropriations for 1997: National Aeronautics and Space Administration written by United States. Congress. House. Committee on Appropriations. Subcommittee on VA, HUD, and Independent Agencies and published by . This book was released on 1996 with total page 1048 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Noise Control written by Colin H. Hansen and published by CRC Press. This book was released on 2018-09-03 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: Noise Control: From Concept to Application presents the basic principles of noise control and their practical application to real problems. Numerous examples are worked out in detail and are used to illustrate the concepts in the book. There are few derivations of equations, but reference is made to texts from which these are derived. An excellent learning tool for students and practitioners, this guide to noise control will enable readers to use their knowledge to solve a wide range of industrial noise control problems. Working from basic scientific principles, the author shows how an understanding of sound can be applied to real-world settings.
Author :United States. Congress. House. Committee on Appropriations. Subcommittee on VA, HUD, and Independent Agencies Publisher : ISBN 13 : Total Pages :916 pages Book Rating :4.0/5 (18 download)
Book Synopsis Departments of Veterans Affairs and Housing and Urban Development, and Independent Agencies Appropriations for 1994: National Aeronautics and Space Administration by : United States. Congress. House. Committee on Appropriations. Subcommittee on VA, HUD, and Independent Agencies
Download or read book Departments of Veterans Affairs and Housing and Urban Development, and Independent Agencies Appropriations for 1994: National Aeronautics and Space Administration written by United States. Congress. House. Committee on Appropriations. Subcommittee on VA, HUD, and Independent Agencies and published by . This book was released on 1993 with total page 916 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Active Noise Control Primer by : Scott D. Snyder
Download or read book Active Noise Control Primer written by Scott D. Snyder and published by Springer Science & Business Media. This book was released on 2012-09-25 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: By providing all the basic knowledge needed to assess how useful active noise control will be for a given problem, this book assists in the designing, setting up, and tuning of an active noise-control system. Written for students who have no prior knowledge of acoustics, signal processing, or noise control but who do have a reasonable grasp of basic physics and mathematics, the text is short and descriptive, leaving all mathematical details and proofs concerning vibrations, signal processing and the like to more advanced texts or research monographs. The book can thus be used in independent study, in a classroom with laboratories, or in conjunction with a kit for experiment or demonstration. Topics covered include basic acoustics, human perception and sound, sound intensity and related concepts, fundamentals of passive noise- control strategies, basics of digital systems and adaptive controllers, and active noise control systems.
Author :United States. Congress. House. Committee on Appropriations. Subcommittee on VA, HUD, and Independent Agencies Publisher : ISBN 13 : Total Pages :1088 pages Book Rating :4.0/5 (7 download)
Book Synopsis Departments of Veterans Affairs and Housing and Urban Development, and Independent Agencies Appropriations for 2002 by : United States. Congress. House. Committee on Appropriations. Subcommittee on VA, HUD, and Independent Agencies
Download or read book Departments of Veterans Affairs and Housing and Urban Development, and Independent Agencies Appropriations for 2002 written by United States. Congress. House. Committee on Appropriations. Subcommittee on VA, HUD, and Independent Agencies and published by . This book was released on 2002 with total page 1088 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fundamentals of Signals and Systems Using MATLAB by : Edward W. Kamen
Download or read book Fundamentals of Signals and Systems Using MATLAB written by Edward W. Kamen and published by Macmillan College. This book was released on 1997 with total page 706 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text presents an accessible yet comprehensive analytical treatment of signals and systems, and also incorporates a strong emphasis on solving problems and exploring concepts using MATLAB
Book Synopsis An Active Noise Cancellation Development and Technology Demonstration Platform by : Michael D. Fleischer
Download or read book An Active Noise Cancellation Development and Technology Demonstration Platform written by Michael D. Fleischer and published by . This book was released on 1995 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of Active Noise-control Systems by : Javier Tapia
Download or read book Development of Active Noise-control Systems written by Javier Tapia and published by . This book was released on 1990 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. House. Committee on Appropriations. Subcommittee on VA, HUD, and Independent Agencies Publisher : ISBN 13 : Total Pages :894 pages Book Rating :4.0/5 (5 download)
Book Synopsis Departments of Veterans Affairs and Housing and Urban Development, and Independent Agencies Appropriations for 1996: National Aeronautics and Space Administration by : United States. Congress. House. Committee on Appropriations. Subcommittee on VA, HUD, and Independent Agencies
Download or read book Departments of Veterans Affairs and Housing and Urban Development, and Independent Agencies Appropriations for 1996: National Aeronautics and Space Administration written by United States. Congress. House. Committee on Appropriations. Subcommittee on VA, HUD, and Independent Agencies and published by . This book was released on 1995 with total page 894 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. House. Committee on Appropriations. Subcommittee on VA, HUD, and Independent Agencies Publisher : ISBN 13 : Total Pages :1060 pages Book Rating :4.3/5 ( download)
Book Synopsis Departments of Veterans Affairs and Housing and Urban Development, and Independent Agencies Appropriations for 2001: National Aeronautics and Space Administration by : United States. Congress. House. Committee on Appropriations. Subcommittee on VA, HUD, and Independent Agencies
Download or read book Departments of Veterans Affairs and Housing and Urban Development, and Independent Agencies Appropriations for 2001: National Aeronautics and Space Administration written by United States. Congress. House. Committee on Appropriations. Subcommittee on VA, HUD, and Independent Agencies and published by . This book was released on 2000 with total page 1060 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Journal of the Acoustical Society of America by : Acoustical Society of America
Download or read book The Journal of the Acoustical Society of America written by Acoustical Society of America and published by . This book was released on 2005 with total page 1596 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. House. Committee on Science. Subcommittee on Technology Publisher : ISBN 13 : Total Pages :112 pages Book Rating :4.0/5 ( download)
Book Synopsis Technology to Reduce Aircraft Noise by : United States. Congress. House. Committee on Science. Subcommittee on Technology
Download or read book Technology to Reduce Aircraft Noise written by United States. Congress. House. Committee on Science. Subcommittee on Technology and published by . This book was released on 1998 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
