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Author : J. W. Russel
Publisher :
ISBN 13 :
Total Pages : 164 pages
Book Rating : 4.:/5 (31 download)
Download or read book A method for predicting the noise levels of coannular jets with inverted velocity profiles written by J. W. Russel and published by . This book was released on 1979 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. W. Russell
Publisher :
ISBN 13 :
Total Pages : 164 pages
Book Rating : 4.:/5 (317 download)
Download or read book A Method for Predicting the Noise Levels of Coannular Jets with Inverted Velocity Profiles written by J. W. Russell and published by . This book was released on 1979 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: A coannular jet was equated with a single stream equivalent jet with the same mass flow, energy, and thrust. The acoustic characteristics of the coannular jet were then related to the acoustic characteristics of the single jet. Forward flight effects were included by incorporating a forward exponent, a Doppler amplification factor, and a Strouhal frequency shift. Model test data, including 48 static cases and 22 wind tunnel cases, were used to evaluate the prediction method. For the static cases and the low forward velocity wind tunnel cases, the spectral mean square pressure correlation coefficients were generally greater than 90 percent, and the spectral sound pressure level standard deviation were generally less than 3 decibels. The correlation coefficient and the standard deviation were not affected by changes in equivalent jet velocity. Limitations of the prediction method are also presented.
Download or read book NASA Technical Paper written by and published by . This book was released on 1982 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Milo D. Dahl
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (317 download)
Download or read book Supersonic Coaxial Jet Noise Predictions written by Milo D. Dahl and published by . This book was released on 1995 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James W. Russell
Publisher :
ISBN 13 :
Total Pages : 128 pages
Book Rating : 4.F/5 ( download)
Download or read book An Empirical Method for Predicting the Mixing Noise Levels of Subsonic Circular and Coaxial Jets written by James W. Russell and published by . This book was released on 1984 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 798 pages
Book Rating : 4.:/5 (319 download)
Download or read book NASA Technical Memorandum written by and published by . This book was released on 1982 with total page 798 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 442 pages
Book Rating : 4.:/5 (317 download)
Download or read book The Noise and Flow Characteristics of Inverted-profile Coannular Jets written by and published by . This book was released on 1979 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. National Aeronautics and Space Administration
Publisher :
ISBN 13 :
Total Pages : 416 pages
Book Rating : 4.3/5 (91 download)
Download or read book NASA Technical Paper written by United States. National Aeronautics and Space Administration and published by . This book was released on 1978 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Superintendent of Documents
Publisher :
ISBN 13 :
Total Pages : 1546 pages
Book Rating : 4.:/5 (319 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 1982 with total page 1546 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
Author :
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ISBN 13 :
Total Pages : 1092 pages
Book Rating : 4.:/5 (319 download)
Download or read book NASA Reference Publication written by and published by . This book was released on 1977 with total page 1092 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 964 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 1987 with total page 964 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : W. E. Zorumski
Publisher :
ISBN 13 :
Total Pages : 82 pages
Book Rating : 4.:/5 (31 download)
Download or read book Empirical Source Noise Prediction Method with Application to Subsonic Coaxial Jet Mixing Noise written by W. E. Zorumski and published by . This book was released on 1982 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 480 pages
Book Rating : 4.F/5 ( download)
Download or read book NASA Conference Publication written by and published by . This book was released on 1979 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John P. Raney
Publisher :
ISBN 13 :
Total Pages : 46 pages
Book Rating : 4.:/5 (31 download)
Download or read book NASA Progress in Aircraft Noise Prediction written by John P. Raney and published by . This book was released on 1981 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 736 pages
Book Rating : 4.:/5 (31 download)
Download or read book Aeronautical Engineering written by and published by . This book was released on 1981 with total page 736 pages. Available in PDF, EPUB and Kindle. Book excerpt: A selection of annotated references to unclassified reports and journal articles that were introduced into the NASA scientific and technical information system and announced in Scientific and technical aerospace reports (STAR) and International aerospace abstracts (IAA).
Author : Milo D. Dahl
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (317 download)
Download or read book Noise Radiation by Instability Waves in Coaxial Jets written by Milo D. Dahl and published by . This book was released on 1994 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 632 pages
Book Rating : 4.:/5 (319 download)
Download or read book NASA SP. written by and published by . This book was released on 1985 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt:
