Principles and Applications of Underwater Sound, Originally Issued as Summary Technical Report of Division 6, NDRC, Vol. 7, 1946, Reprinted...1968 PDF Download
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Author: United States. Navy Department
Publisher:
ISBN:
Category :
Languages : en
Pages : 320
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Author: United States. Navy Department
Publisher:
ISBN:
Category :
Languages : en
Pages : 320
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Author: Herbert Ellern
Publisher: Chemical Publishing Company
ISBN: 9780820603643
Category :
Languages : en
Pages : 0
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Book Description
Written for manufacturers, laboratory pyrotechnicians, and lay students, this book contains an enormous amount of invaluable data on the properties and production of pyrotechnic materials, on heat and light production, on aerosols, energy, and noise. Includes a manufacturing formulary, and a good reference section. Its wealth of information and highly readable style make it a 'must have' in every pyrotechnician's library. These titles may also pair well with these books: Brauer, Karl O., Handbook of Pyrotechnics: ISBN 978-0-8206-0349-0 Rev. Ronald Lancaster, Fireworks, Principles and Practice, 4th Edition: ISBN 0-8206-0407-0; Weingart, George W., Pyrotechnics: ISBN 0-8206-0112-8 Visit us at www.chemical-publishing.com
Author: United States. Office of Scientific Research and Development. National Defense Research Committee
Publisher:
ISBN:
Category : Sonar
Languages : en
Pages : 356
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Author: Alec Eden
Publisher: Springer Science & Business Media
ISBN: 3709166772
Category : Medical
Languages : en
Pages : 143
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Book Description
It is now 150 years ago, on 25th May 1842, that the son of a Salzburg ston emason presented a scientific work "On the coloured light of the double stars and certain other heavenly bodies" at a meeting of the Royal Bo hemian Society of Sciences held in Prague. Christian Andreas Doppler, then professor at the Prague Technical Institute, set a milestone in scien tific history in the meeting room of the Royal Society in the Charles Uni versity, just a few meters from the National Theatre where another genius from Salzburg, Wolfgang Amadeus Mozart, had celebrated his musical triumph with the premiere of his opera Don Giovanni fifty-five years earlier. Doppler's lecture set out in brilliant simplicity what we now call the Doppler principle, which since has found numerous uses in astronomy, which was of primary interest to Christian Doppler. In addition, it has found countless practical applications in physics, navigation, aeronautics, geodesy, medicine, science and technology. In medicine alone, Doppler sonography is now an established diagnostic procedure in the fields of childbirth, cardiology and diseases of the blood vessels, neurology, neuro surgery and vascular surgery, and is continually finding new medical appli cations in today's world of high technology.
Author: Antony Joseph
Publisher: Newnes
ISBN: 0123914280
Category : Science
Languages : en
Pages : 447
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Book Description
Measuring Ocean Currents: Tools, Technologies, and Data covers all major aspects of ocean current measurements in view of the implications of ocean currents on changing climate, increasing pollution levels, and offshore engineering activities. Although more than 70% of the Earth is covered by ocean, there is limited information on the countless fine- to large-scale water motions taking place within them. This book fills that information gap as the first work that summarizes the state-of-the-art methods and instruments used for surface, subsurface, and abyssal ocean current measurements. Readers of this book will find a wealth of information on Lagrangian measurements, horizontal mapping, imaging, Eulerian measurements, and vertical profiling techniques. In addition, the book describes modern technologies for remote measurement of ocean currents and their signatures, including HF Doppler radar systems, satellite-borne sensors, ocean acoustic tomography, and more. Crucial aspects of ocean currents are described in detail as well, including dispersion of effluents discharged into the sea and transport of beneficial materials—as well as environmentally hazardous materials—from one region to another. The book highlights several important practical applications, showing how measurements relate to climate change and pollution levels, how they affect coastal and offshore engineering activities, and how they can aid in tsunami detection. - Coverage of measurement, mapping and profiling techniques - Descriptions of technologies for remote measurement of ocean currents and their signatures - Reviews crucial aspects of ocean currents, including special emphasis on the planet-spanning thermohaline circulation, known as the ocean's "conveyor belt," and its crucial role in climate change
Author: United States. Bureau of Naval Personnel
Publisher:
ISBN:
Category : Airplanes, Military
Languages : en
Pages : 358
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Author: Florian Ion Petrescu
Publisher: BoD – Books on Demand
ISBN: 3848229900
Category : Science
Languages : en
Pages : 82
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Book Description
The Doppler effect (or Doppler shift), named after Austrian physicist Christian Doppler who proposed it in 1842 in Prague, is the change in frequency of a wave for an observer moving relative to the source of the wave. It is commonly heard when a vehicle sounding a siren or horn approaches, passes, and recedes from an observer. The received frequency is higher (compared to the emitted frequency) during the approach, it is identical at the instant of passing by, and it is lower during the recession. The relative changes in frequency can be explained as follows. When the source of the waves is moving toward the observer, each successive wave crest is emitted from a position closer to the observer than the previous wave. Therefore each wave takes slightly less time to reach the observer than the previous wave. Therefore the time between the arrival of successive wave crests at the observer is reduced, causing an increase in the frequency. While they are travelling, the distance between successive wave fronts is reduced; so the waves \\\\\\\"bunch together\\\\\\\". Conversely, if the source of waves is moving away from the observer, each wave is emitted from a position farther from the observer than the previous wave, so the arrival time between successive waves is increased, reducing the frequency. The distance between successive wave fronts is increased, so the waves "spread out". For waves that propagate in a medium, such as sound waves, the velocity of the observer and of the source is relative to the medium in which the waves are transmitted. The total Doppler Effect may therefore result from motion of the source, motion of the observer, or motion of the medium. Each of these effects is analyzed separately. For waves which do not require a medium, such as light or gravity in general relativity, only the relative difference in velocity between the observer and the source needs to be considered.
Author: John William Strutt Baron Rayleigh
Publisher:
ISBN:
Category : Sound
Languages : en
Pages : 322
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Book Description
Author: A. A. Shidlovskiy
Publisher: Amer Fireworks News
ISBN: 9780929931135
Category : Technology & Engineering
Languages : en
Pages : 272
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Book Description
Author: Joe Rosen
Publisher: Infobase Publishing
ISBN: 1438119097
Category : Science
Languages : en
Pages : 767
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Book Description
An A-Z encyclopedia of facts and information on topics relevant to physical science, including the structure of atoms, motions and forces, chemical reactions and more.
