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Download or read book AIRCRAFT ENGINE NOISE REDUCTION- PROCEEDINGS OF A CONFERENCE- NASA. written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Lewis Research Center
Publisher :
ISBN 13 :
Total Pages : 317 pages
Book Rating : 4.:/5 (247 download)
Download or read book Aircraft Engine Noise Reduction written by Lewis Research Center and published by . This book was released on 1972 with total page 317 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 332 pages
Book Rating : 4.:/5 (31 download)
Download or read book Aircraft Engine Noise Reduction written by and published by . This book was released on 1972 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. National Aeronautics and Space Administration
Publisher :
ISBN 13 :
Total Pages : 354 pages
Book Rating : 4.F/5 ( download)
Download or read book Progress on NASA Research Relating to Noise Alleviation of Large Subsonic Jet Aircraft written by United States. National Aeronautics and Space Administration and published by . This book was released on 1968 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 317 pages
Book Rating : 4.:/5 (89 download)
Download or read book Aircraft Engine Noise Reduction written by and published by . This book was released on 1972 with total page 317 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (637 download)
Download or read book Aircraft Engine Noise Reduction written by and published by . This book was released on 1972 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.:/5 (317 download)
Download or read book Publications in Acoustics and Noise Control from the NASA Langley Research Center During 1940 - 1974 written by and published by . This book was released on 1975 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Harvey H. Hubbard
Publisher :
ISBN 13 :
Total Pages : 620 pages
Book Rating : 4.F/5 ( download)
Download or read book Aeroacoustics of Flight Vehicles written by Harvey H. Hubbard and published by . This book was released on 1991 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781719396455
Total Pages : 48 pages
Book Rating : 4.3/5 (964 download)
Download or read book NASA Glenn's Contributions to Aircraft Engine Noise Research written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-05-22 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report reviews all engine noise research conducted at the NASA Glenn Research Center over the past 70 years. This report includes a historical perspective of the Center and the facilities used to conduct the research. Major noise research programs are highlighted to show their impact on industry and on the development of aircraft noise reduction technology. Noise reduction trends are discussed, and future aircraft concepts are presented. Since the 1960s, research results show that the average perceived noise level has been reduced by about 20 decibels (dB). Studies also show that, depending on the size of the airport, the aircraft fleet mix, and the actual growth in air travel, another 15 to 17 dB reduction will be required to achieve NASA's long-term goal of providing technologies to limit objectionable noise to the boundaries of an average airport. Huff, Dennis L. Glenn Research Center ENGINE NOISE; NOISE INTENSITY; NOISE REDUCTION; AEROACOUSTICS; TURBOFAN ENGINES; AIR TRANSPORTATION; AIRPORTS
Author : United States. National Aircraft Noise Abatement Council
Publisher :
ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.:/5 (11 download)
Download or read book Conference on Progress of NASA Research Relating to Noise Alleviation of Large Sub-sonic Jet Aircraft written by United States. National Aircraft Noise Abatement Council and published by . This book was released on 1968 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ira R. Schwartz
Publisher :
ISBN 13 :
Total Pages : 560 pages
Book Rating : 4.:/5 (33 download)
Download or read book Basic Aerodynamic Noise Research written by Ira R. Schwartz and published by . This book was released on 1969 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 528 pages
Book Rating : 4.:/5 (43 download)
Download or read book NOISE-CON ... Proceedings written by and published by . This book was released on 1977 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (63 download)
Download or read book Fünf neue Weltliche-Lieder written by and published by . This book was released on 1770 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Congress. House. Committee on Science and Astronautics. Subcommittee on Aeronautics and Space Technology
Publisher :
ISBN 13 :
Total Pages : 2022 pages
Book Rating : 4.3/5 (121 download)
Download or read book Aircraft Noise Abatement written by United States. Congress. House. Committee on Science and Astronautics. Subcommittee on Aeronautics and Space Technology and published by . This book was released on 1974 with total page 2022 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781721830640
Total Pages : 24 pages
Book Rating : 4.8/5 (36 download)
Download or read book Technologies for Aircraft Noise Reduction written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-24 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Technologies for aircraft noise reduction have been developed by NASA over the past 15 years through the Advanced Subsonic Technology (AST) Noise Reduction Program and the Quiet Aircraft Technology (QAT) project. This presentation summarizes highlights from these programs and anticipated noise reduction benefits for communities surrounding airports. Historical progress in noise reduction and technologies available for future aircraft/engine development are identified. Technologies address aircraft/engine components including fans, exhaust nozzles, landing gear, and flap systems. New "chevron" nozzles have been developed and implemented on several aircraft in production today that provide significant jet noise reduction. New engines using Ultra-High Bypass (UHB) ratios are projected to provide about 10 EPNdB (Effective Perceived Noise Level in decibels) engine noise reduction relative to the average fleet that was flying in 1997. Audio files are embedded in the presentation that estimate the sound levels for a 35,000 pound thrust engine for takeoff and approach power conditions. The predictions are based on actual model scale data that was obtained by NASA. Finally, conceptual pictures are shown that look toward future aircraft/propulsion systems that might be used to obtain further noise reduction. Huff, Dennis L. Glenn Research Center
Author : National Aeronautics and Space Adm Nasa
Publisher : Independently Published
ISBN 13 : 9781793954404
Total Pages : 26 pages
Book Rating : 4.9/5 (544 download)
Download or read book Emerging Community Noise Reduction Approaches written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2019-01-14 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: An overview of the current NASA research portfolio in the area of aircraft noise reduction is presented. The emphasis of the research described herein is on meeting the aggressive near- and mid-term national goals for reducing aircraft noise emissions, which NASA internal studies have shown to be feasible using noise reduction technologies currently being developed in-house or in partnership with NASA s industry and academic partners. While NASA has an active research effort in airframe noise reduction, this overview focuses on propulsion noise reduction only. Envia, Edmane Glenn Research Center WBS 699959.02.09.03.06
Author :
Publisher :
ISBN 13 :
Total Pages : 452 pages
Book Rating : 4.3/5 (243 download)
Download or read book General Aviation Propulsion written by and published by . This book was released on 1980 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt:
