Ultrasonic Acoustic Characteristics Of Air Bubbles In The Surf Zone

Author : Trevor A. McIntyre
Publisher : Unknown
Page : 122 pages
File Size : 49,5 Mb
Release : 1995
Category : Bubbles
ISBN : UCSD:31822020656278

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Ultrasonic Acoustic Characteristics of Air Bubbles in the Surf Zone by Trevor A. McIntyre Pdf

Understanding the movement of sediment in the nearshore region due to wave motion and longshore currents is important in beach erosion studies, and has tactical significance in beach front mine warfare. In the surf zone, an bubbles and sediment are both suspended within the water column. At the Naval Postgraduate School in Monterey, California, a sediment flux probe has been developed to study small scale processes. Using ultrasonic acoustic backscatter, the Coherent Acoustic Sediment Flux Probe (CASP) is capable of tracking the movement of scatterers within the surf zone. As it is important that the CASP system is capable of distinguishing between sediment and entrained air bubbles, laboratory experiments were run to determine the ultrasonic acoustic backscatter characteristics of surf zone bubbles. Bulk void fraction and optical sizing methods were explored to develop a means of measuring bubble populations produced in the laboratory for calibration of the backscattered energy received by the CASP system in the presence of bubbles.

Author : United States. Naval Postgraduate School, Monterey, CA.
Publisher : Unknown
Page : 564 pages
File Size : 51,6 Mb
Release : 1995
Category : Dissertations, Academic
ISBN : UCSC:32106014454703

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Compilation of Theses Abstracts, October 1994-September 1995 by United States. Naval Postgraduate School, Monterey, CA. Pdf

Author : Albert M. Bottoms,Barbara Honegger
Publisher : Unknown
Page : 978 pages
File Size : 41,8 Mb
Release : 1996
Category : Mines (Military explosives)
ISBN : UCSD:31822026245811

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Proceedings of the Technology and the Mine Problem Symposium by Albert M. Bottoms,Barbara Honegger Pdf

Author : Cheryl E. Pollock
Publisher : Unknown
Page : 130 pages
File Size : 50,5 Mb
Release : 1995
Category : Barbers Point Harbor (Hawaii)
ISBN : UOM:39015086524496

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Effectiveness of Spur Jetties at Siuslaw River, Oregon by Cheryl E. Pollock Pdf

Author : Anonim
Publisher : Unknown
Page : 306 pages
File Size : 49,9 Mb
Release : 1995
Category : Coastal engineering
ISBN : UCSD:31822009377086

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Effectiveness of Spur Jetties at Siuslaw River, Oregon by Anonim Pdf

Author : Waterways Experiment Station (U.S.)
Publisher : Unknown
Page : 124 pages
File Size : 48,8 Mb
Release : 1995
Category : Electronic
ISBN : UOM:39015030242187

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Technical Memodrandum by Waterways Experiment Station (U.S.) Pdf

Author : Natalia Morkun,Andrii Pikilniak,Vladimir Morkun
Publisher : Cambridge Scholars Publishing
Page : 142 pages
File Size : 49,5 Mb
Release : 2019-01-08
Category : Medical
ISBN : 9781527524446

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The Propagation of Ultrasonic Waves in Gas-containing Suspensions by Natalia Morkun,Andrii Pikilniak,Vladimir Morkun Pdf

This book presents the results of research in the field of automated systems for the monitoring and control of technological processes of mining production. It offers the first mathematical description of Lamb waves’ propagation processes on surfaces in contact with randomly heterogeneous media (gas-containing suspensions). It is also the first book to explore the analytical dependencies of the attenuation values of Lamb and volume ultrasound waves on the number, size, density, and other characteristics of heterogeneous media during their natural and specially organized movements.

Author : Anonim
Publisher : Unknown
Page : 1244 pages
File Size : 51,8 Mb
Release : 1996-09
Category : Science
ISBN : WISC:89061537791

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Government Reports Announcements & Index by Anonim Pdf

Author : Roy C. Preston
Publisher : Springer Science & Business Media
Page : 190 pages
File Size : 51,8 Mb
Release : 2012-12-06
Category : Technology & Engineering
ISBN : 9781447118831

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Output Measurements for Medical Ultrasound by Roy C. Preston Pdf

Medical applications of ultrasound range from therapy, foetal monitoring, diagnostic imaging and blood flow measurement, to surgery and lithotripsy. Ever since the earliest developments of medical ultrasound there has been an interest in the measurement and characterisation of the ultrasonic fields generated in these applications, either for assessment of performance of equipment or for safety. Until recently, procedures for acoustic output measurements were ill-defined, but standards are now being developed internationally by the International Electrotechnical Commission (1EC) and reliable commercial measuring equipment is becoming more widely available. The aim of this book is to introduce acoustic output measurement techniques and to provide an insight into the measurement methods. The material presented is based on a course originally run during November 1989 at the National Physical Laboratory. In addition to the lectures, the course consisted of a series of practicals to allow participants to gain experience of making measurements. Teddington, UK Roy C. Preston February 1991 Contents List of Contributors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii List of Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 Safety of Diagnostic Ultrasonic Equipment: The Relevance of Acoustic Output Information to the Clinical User R. C. Preston 1. 1 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1. 2 The Relevance of Acoustic Output Information. . . . . . . . . . . . . 6 1. 2. 1 What Is Acoustic Output Information? . . . . . . . . . . . . . . . . . . . 6 1. 2. 2 What Is Acoustic Output Information Used For? . . . . . . . 6 1. 2. 3 Why Should You Know the Acoustic Output Levels of Your Equipment? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1. 2. 4 Are Acoustic Output Levels Really that Important? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Author : T Leighton
Publisher : Academic Press
Page : 641 pages
File Size : 50,6 Mb
Release : 2012-12-02
Category : Science
ISBN : 9780323144131

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The Acoustic Bubble by T Leighton Pdf

The Acoustic Bubble describes the interaction of acoustic fields with bubbles in liquid. The book consists of five chapters. Chapter 1 provides a basic introduction to acoustics, including some of the more esoteric phenomena that can be seen when high-frequency high-intensity underwater sound is employed. Chapter 2 discusses the nucleation of cavitation and basic fluid dynamics, while Chapter 3 draws together the acoustics and bubble dynamics to discuss the free oscillation of a bubble and acoustic emissions from such activity. The acoustic probes that are often applied to study the behavior of a bubble when an externally-applied acoustic field drives it into oscillation is deliberated in Chapter 4. The last chapter outlines a variety of effects associated with acoustically-induced bubble activity. The bubble detection, sonoluminescence, sonochemistry, and pulse enhancement are also covered. This publication is a good reference for physics and engineering students and researchers intending to acquire knowledge of the acoustic interactions of acoustic fields with bubbles.

Author : Muthupandian Ashokkumar
Publisher : Unknown
Page : 128 pages
File Size : 45,9 Mb
Release : 2024-07-01
Category : Ultrasonics
ISBN : 9812874704

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Handbook of Ultrasonics and Sonochemistry by Muthupandian Ashokkumar Pdf

Author : Adem Ozcelik,Ryan Becker,Tony Jun Huang
Publisher : John Wiley & Sons
Page : 405 pages
File Size : 52,6 Mb
Release : 2023-10-10
Category : Science
ISBN : 9783527841318

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Acoustic Technologies in Biology and Medicine by Adem Ozcelik,Ryan Becker,Tony Jun Huang Pdf

Acoustic Technologies in Biology and Medicine Complete, balanced resource encompassing all required technical, theoretical, and applied multidisciplinary knowledge related to acoustics Taking a multidisciplinary approach involving fluid mechanics, physics, chemistry, electronics, and the life sciences to provide a unified and competent overview of the field, Acoustic Technologies in Biology and Medicine covers the fundamental principles of acoustic wave generation and propagation, different acoustic systems and technologies with the interplay of physical forces, theoretical foundations, and the state-of-the-art biomedical applications of acoustics. State-of-the-art applications of acoustics in biology and medicine are presented, including single cell and organism manipulation, acoustic biosensing, cancer cell isolation (liquid biopsy), cell/tissue stimulation and ablation, micro-robot actuation, acoustic imaging, and drug delivery. Contributed to and edited by highly qualified professionals with significant experience in the field, Acoustic Technologies in Biology and Medicine covers sample topics such as: Materials for acoustic wave generation and modulation, ultrasound imaging, and photoacoustic imaging and sensing for biomedical applications Therapeutic ultrasound, application of ultrasound responsive reagents for drug delivery systems, and acoustic levitation and acoustic holograms Application of ultrasonic waves in bioparticle manipulation and separation, acoustic biosensors, and acoustic micro and nanorobots in medicine Different technologies of acoustic systems, including bulk and surface acoustic wave-based platforms, acoustic imaging, acoustic sensors, and acoustic levitators A cornerstone reference bridging the gap between rapidly advancing acoustic technologies with state-of-the-art applications in biology and medicine, Acoustic Technologies in Biology and Medicine is an essential resource on the subject for biophysicists, materials scientists, biotechnologists, bioengineers, sensor developers, electronics engineers, and all professionals in the greater biotechnological industry.

Author : Lisa J. Koenig,Dania Tamimi,Susanne E. Perschbacher,Husniye Demirturk
Publisher : Elsevier Health Sciences
Page : 1208 pages
File Size : 43,7 Mb
Release : 2023-11-21
Category : Medical
ISBN : 9780443105067

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Diagnostic Imaging: Oral and Maxillofacial E-Book by Lisa J. Koenig,Dania Tamimi,Susanne E. Perschbacher,Husniye Demirturk Pdf

Bridging the gap between dentistry and medical radiology, the third edition of Diagnostic Imaging: Oral and Maxillofacial, is an invaluable resource for anyone who requires an easily accessible, highly visual reference in this complex area of imaging, from new and seasoned radiologists to dental specialists and general practitioners currently using CT and/or cone beam CT (CBCT). Drs. Lisa J. Koenig, Dania Tamimi, Susanne E. Perschbacher, and Husniye Demirturk, building upon contributions from a diverse legacy authoring team of oral and maxillofacial and medical radiologists, provide up-to-date information on the oral and maxillofacial complex from a dentist’s perspective to help you make informed decisions at the point of care. The text is lavishly illustrated, delineated, and referenced, making it a useful learning tool for readers at all levels of experience as well as a handy reference for daily practice. Covers the anatomic zones, imaging modalities, patient conditions, and presenting clinical signs and symptoms shared by dentistry and medicine Incorporates complete and accurate dental anatomy and nomenclature throughout as well as findings that affect the many aspects of dental treatment Includes sweeping updates throughout, such as a new chapter on the expanded use of artificial intelligence (AI) in oral radiology, a new chapter on ultrasound use for maxillofacial lesions, and new chapters on CBCT applications in implant planning, endodontics, orthodontics, and analysis of sleep-disordered breathing risks Features more than 4,800 print and online images, including CT and CBCT images, radiographs, ultrasound images, full-color illustrations, MR images, 3D reconstruction images, videos and clinical photographs Includes 200+ diagnoses in chapters organized by anatomic section, with extensive coverage of TMJ disorders Features more than 35 differential diagnosis chapters that provide a unique and intuitive method for interpreting pathology according to radiographic appearance Contains comprehensive details on the anatomy of oral and maxillofacial areas, including embryology of the teeth to carotid arteries Uses bulleted, succinct text and highly templated chapters for quick comprehension of essential information at the point of care Serves as an excellent review for the American Board of Oral and Maxillofacial Radiology exam Any additional digital ancillary content may publish up to 6 weeks following the publication date

Author : Defense Documentation Center (U.S.)
Publisher : Unknown
Page : 356 pages
File Size : 53,6 Mb
Release : 1962
Category : Science
ISBN : UOM:39015033895767

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Thesaurus of ASTIA Descriptors by Defense Documentation Center (U.S.) Pdf

Author : Anonim
Publisher : Unknown
Page : 440 pages
File Size : 44,7 Mb
Release : 1995
Category : Aeronautics
ISBN : MINN:30000006324267

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Scientific and Technical Aerospace Reports by Anonim Pdf