Download or read book Loudness of Sonic Booms and Other Impulsive Sounds written by E. E. Zepler and published by . This book was released on 1965 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book On the Loudness of Sonic Booms and Other Impulsive Sounds written by A. Niedzwiecki and published by . This book was released on 1978 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: A loudspeaker-driven simulation booth with extended rise time capability (down to 0.22 ms) has been used for subjective loudness tests of sonic-boom and other types of impulsive sounds. The first series compared N-waves over a range of 0.22 to 10 ms rise time, 100 to 250 ms duration and from 0.5 to 4 psf (the latter for the longer rise times) (24 to 192 N/sq m) peak overpressure. The response tradeoff between rise time and overpressure, and duration and overpressure was measured. The second series tested certain 'flat top' sonic boom signatures, which according to current theory could be generated by special very long SST aircraft designed for minimized sonic-boom; these were compared for loudness with a reference N-wave (pN = 0.5 psf, 1 ms rise time, 150 ms duration). The third series compared filtered N-wave signatures, using a highpass digital filter with an unfiltered N-wave signature (1 psf, 1 ms rise time, 150 ms duration). In the last test series the tradeoff between overpressure and duration was found for idealized quarry blast signatures composed of sequences of 25 ms long pulses with 0.22 ms rise time. The range of durations extended from 25 to 400 ms. The results in each series were compared with theoretical predictions by the method of Johnson and Robinson. All but the long-duration quarry blast judgements were found to be in very good agreement in terms of relative loudness levels.

Download or read book The Effects of Sonic Boom and Similar Impulsive Noise on Strcutures written by United States. Environmental Protection Agency and published by . This book was released on 1971 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Effects of Sonic Boom and Similar Impulsive Noise on Structures written by United States. National Bureau of Standards and published by . This book was released on 1971 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book A Loudness Calculation Procedure Applied to Shaped Sonic Booms written by Kevin P. Shepherd and published by . This book was released on 1991 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book NASA Reference Publication written by and published by . This book was released on 1991 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Annoyance Loudness and Measurement of Repetitive Type Impulsive Noise Sources written by L. C. Sutherland and published by . This book was released on 1979 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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 456 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Aeroacoustics of Flight Vehicles Noise control written by Harvey H. Hubbard and published by . This book was released on 1991 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Aircraft Noise and Sonic Boom written by Louise K. Annus and published by . This book was released on 1966 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The effects of sonic boom and similar impulsive noise on structures written by and published by . This book was released on 1971 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book NASA Technical Paper written by and published by . This book was released on 1991 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Subjective Response to Sonic Booms Having Different Shapes Rise Times and Durations written by David A. McCurdy and published by . This book was released on 1994 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Comparisons of Methods for Predicting Community Annoyance Due to Sonic Booms written by Harvey H. Hubbard and published by . This book was released on 1996 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Physiological Effects of Noise written by Bruce Welch and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt: The remarkable symposium arranged by Bruce L. Welch and Annemarie S. Welch for the meeting of the American Association for the Advancement of Science in Boston, Massachusetts at the end of the year 1969 was devoted to the physiological effects of audible sound. Dr. Welch and his wife were able to bring together a distinguished group of scientists from all parts of the world. It was very remarkable to be able to discuss the physiological aspects of noise with representative scientists from Israel, France, Germany, Hungary, Russia, Australia, Canada and Argentina. Dr. and Mrs. Welch ran the meeting in a delightful manner and continued to maintain interest and enthusiasm. Now the results of the conference are available. It is to be hoped that this volume will find wide interest and attention. We must differentiate noise from sound. Noise is unpleasant, unwanted or intolerable sound. On the other hand, even ordinary sound may at times be unpleasant, simply because we are not con ditioned to it. The general impression that one gets from reading the various reports on the physiological effects of noise is bad. It's a pollutant that we can each individually reduce, and maybe we can have a great enough effect socially so that we can significantly lower the noise levels which may result in considerable harm to us. It is interesting that noise as a pollutant has only recently attracted attention.

Download or read book NASA Technical Paper written by United States. National Aeronautics and Space Administration and published by . This book was released on 1991 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Effects of Sonic Boom and Similar Impulsive Noise on Structures written by and published by . This book was released on 1971 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: