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Friday, April 17, 2020 | History

2 edition of Ultrasonic phenomena and methods of measurements found in the catalog.

Ultrasonic phenomena and methods of measurements

United States. Bureau of Mines.

Ultrasonic phenomena and methods of measurements

a bibliography

by United States. Bureau of Mines.

  • 393 Want to read
  • 38 Currently reading

Published by Bureau of mines in Washington, D.C .
Written in English


Edition Notes

Statementby C.A. Komar and J. Pasini.
SeriesInformation circular -- no. 8146.
ContributionsKomar, C A., Pasini, J.
The Physical Object
Pagination31p.
Number of Pages31
ID Numbers
Open LibraryOL14137607M

Liquid coupling direct measurement means that the pipe filled with liquid is inserted into the measured part and that the pressure is measured by liquid coupling of pipe end position in the body, which is the simplest method. Pipe-end sensing measurement employs pipe-end sensor to measure blood by: 2. Acoustics is a branch of physics that deals with the study of mechanical waves in gases, liquids, and solids including topics such as vibration, sound, ultrasound and infrasound.A scientist who works in the field of acoustics is an acoustician while someone working in the field of acoustics technology may be called an acoustical application of acoustics is present in almost all.   The Electromagnetic Flow Measuring Principle. - Duration: Endress+Hauser , views. For the Love of Physics - Walter Lewin - - Duration: Lectures by .


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Ultrasonic phenomena and methods of measurements by United States. Bureau of Mines. Download PDF EPUB FB2

Description. Ultrasonic Measurement Methods describes methods used in ultrasonic measurements and covers topics ranging from radiated fields of ultrasonic transducers to the measurement of ultrasonic velocity and ultrasonic attenuation, along with the physical principles of measurements Book Edition: 1.

Ultrasonic Methods for Measurement of Small Motion and Deformation of Biological Tissues for Assessment of Viscoelasticity (Biomedical & Nanomedical Technologies) by Hideyuki Hasegawa (Author), Hiroshi Kanai (Author)Author: Hideyuki Hasegawa.

Ultrasonic Measurement Methods describes methods used in ultrasonic measurements and covers topics ranging from radiated fields of ultrasonic transducers to the measurement of ultrasonic velocity and ultrasonic attenuation, along with the physical principles of measurements with electromagnetic-acoustic transducers (EMATs).Format: Hardcover.

Advanced Ultrasonic Methods for Material and Structure Inspection (Instrumentation and Measurement Series) [Kundu, Tribikram, Placko, Dominique] on *FREE* shipping on qualifying offers.

Advanced Ultrasonic Methods for Material and Structure Inspection (Instrumentation and Measurement Series)Format: Hardcover. This guide book presents the major nonlinear ultrasonic methodologies at a glance.

It provides key technological know-how from experts and tips for obtaining significant and good quality experimental data. It is especially useful for beginners in the field of ultrasonic nondestructive evaluation.

Modern Equipment 5. Diffraction Corrections 6. Absolute Accuracy 7. Summary References3 The Measurement of Ultrasonic Attenuation 1. Introduction 2. Fundamentals of Measurement 3. Experimental Situations to be Avoided 4.

Diffraction Corrections to Transform Raw Data into Absolute Measurements 5. Buffer Rod Method 6. Maintaining the features that made the first edition of this book a bestseller, Ultrasonics: Fundamentals, Technology, Applications, Second Edition describes the basic principles, theoretical background, and a wide range of applications of ultrasonic energy.

This edition includes an expanded discussion of beats that now contains mathematical relationships, equations for designing large horns. Buy JIS Z Method For Measurement On Ultrasonic Velocity Of Solid By Pulse Technique Using Reference Test Piece from SAI Global.

JIS Z Testing Non-destructive testing Metrology and measurement. Physical phenomena Acoustics and acoustic measurements Acoustic measurements and noise abatement in general. In covering ultrasonic nondestructive testing methods, the book emphasizes the engineering point of view, yet it relies on the physics and mathematics aspects involved in elastic wave propagation.

The state-of-the-art of ultrasonic methods is reviewed with reference to the basic measurements, signal acquisition and processing, strength property and morphological condition measurements, and Author: Alex Vary.

An Ultrasonic Method for Determining Adhesive Strength Article (PDF Available) in Russian Journal of Nondestructive Testing 54(7) July with Reads How we measure 'reads'. Ultrasonic Measurements and Technologies (Sensor Physics and Techniques Series) th Edition by Stefan Kocis (Author), Zdenko Figura (Author)Cited by: Conventional ultrasonic methods based on ultrasonic characteristics in the linear elastic region are Part of the Springer Series in Measurement Science and Technology book series the nonlinear ultrasonic characteristics are quite exacting compared to the linear phenomena so that they require vast experience and high proficiency in order.

To account for the anisotropic, three-dimensional structure of paper, orthotropic model and continuum mechanics concepts can be applied (Baum et al., ).Laboratory ultrasonic velocity measurement in various modes can provide measurements of nine elastic properties: three Young’s moduli, three shear moduli, and three Poisson ratios.

There is, however, a requirement of minimum testing size. Ultrasonic Doppler velocimetry (UDV), a non-invasion flow field measurement method with the advantage of high precision and flexibility, has been used to measure flow velocity in some studies.

We describe a time-resolved method for measuring nonlinear ultrasonic phenomena. Current approaches rely on a narrowband measurement of harmonic generation to identify and characterize nonlinearity. Concomitant with these techniques is poor time by: 2.

Treatise on Materials Science and Technology, Volume 3: Ultrasonic Investigation of Mechanical Properties summarizes the studies of mechanical properties by acoustic methods.

Aside from a comprehensive examination of acoustic-mechanical phenomena, fundamental concepts and applications are Author: Robert E. Green. Keywords: ultrasonic Doppler velocimetry, instantaneous uelocity field measurement, ultrasonic z;elocity profile, flow mapping, energy spectral density INTRODUCTION The instantaneous velocity profile is one of the most fundamental quantities in fluid flow phenomena, and its experimental measurement, especially quantitatively, has long been a Cited by: Genre/Form: Bibliography: Additional Physical Format: Online version: Komar, C.A.

Ultrasonic phenomena and methods of measurement. [Washington, D.C.]: U.S. Dept. Ultrasonic contrapropagation methods have been used to measure the flow of natural gas since the s, flare gases since the s, and smokestack gases in cem (continuous emissions monitoring) since the s.

Contrapropagation means sound waves are timed in a direction with the flow and later or simultaneously, against the Size: 2MB. Several nonlinear ultrasonic methods using piezo-transducers or laser ultrasonics have been used to realize one-dimensional scans to detect a crack in an advantageous position 11) − requirements for calibration block no 7 and method of use in ultrasonic thickness measurements 32 - general.

32 - dimensions. 32 - method of use. 33 - appendix a - recommendations on the use of ultrasonic testing equipment. 5 - Ultrasonic Velocity and Attenuation: Measurement Methods with Scientific and Industrial Applications Author links open overlay panel EMMANUEL P.

PAPADAKIS Show moreCited by: Ultrasonic Inspection is a very useful and versatile NDT method. Some of the advantages of ultrasonic inspection that are often cited include: It is sensitive to both surface and subsurface discontinuities.

The depth of penetration for flaw detection or measurement is superior to other NDT methods. In the field of industrial ultrasonic testing, ultrasonic thickness measurement (UTM) is a method of performing non-destructive measurement (gauging) of the local thickness of a solid element (typically made of metal, if using ultrasound testing for industrial purposes) based on the time taken by the ultrasound wave to return to the surface.

This type of measurement is typically performed with. AII these different experimental methods can be applied to on-line measure- ments.

Ultrasonic methods were also used to investigate the (~) Oxford University Pre~ and et al. dynamics of molecular processes. For example, some results were reported concerning ultrasonic relaxation of polysaccharides in the sol and gel states ().Cited by: and, therefore, to the loss modulus.

Accordingly, ultrasonic measurements have been used by several authors to monitor the evolution of the viscoelastic moduli of polymers as a function of time or temperature and, recently, become a characterization technique of its own right, generally known as ultrasonic dynamic mechanical analysis (UDMA).Cited by: The second edition of Streamflow Measurement meets the demands of engineers and managers in the water industry on how to obtain information on the flow in the world's rivers in view of the decreasing availability of usable water.

It deals with all aspects of establishing, operating and maintaining streamflow measurement stations to ensure they provide maximum information. In introducing ultrasonic measurement techniques, he enumerates the steps and methods—and also the pitfalls that await the unsuspecting novice. After a beautiful introduction to the prevalence of ultrasonics in nature and its emergence in our technological world, Cheeke devotes six chapters to fundamental : Moises Levy.

Purchase Ultrasonic Measurements for Process Control - 1st Edition. Print Book & E-Book. ISBNPages: Buy ASTM E Standard Practice for Measuring Thickness by Manual Ultrasonic Pulse-Echo Contact Method from SAI Global.

guidance document suggesting methods of achieving this, SIMPLE GUIDELINES ON CONDUCTING ULTRASONIC INTENSITY MEASUREMENTS. FIGURE 1. The time domain waveform as shown in Figure 1 is a Microsoft Word - Simple Guidelines on Conducting Ultrasonic Intensity Size: KB.

Abstract: In this monograph, an accurate ultrasonic method for measurement of small motion and deformation of biological tissue are described.

In the displacement estimation based on the phase change of echoes, the displacement estimates are biased when the center frequency of the RF echo changes. Ultrasonic methods of NDT use beams of mechanical waves (vibrations) of short wavelength and high-frequency, transmitted from a small probe and detected by the same or other probes.

Such mechanical waves can travel large distances in fine-grain metal, in the form of. ultrasonics - power measurement - high intensity therapeutic ultrasound (hitu) transducers and systems: i.s.

en ultrasonics - hydrophones - part 1: measurement and characterization of medical ultrasonic fields up to 40 mhz (iec (eqv)) i.s. en Measurement system, any of the systems used in the process of associating numbers with physical quantities and gh the concept of weights and measures today includes such factors as temperature, luminosity, pressure, and electric current, it once consisted of only four basic measurements: mass (), distance or length, area, and volume (liquid or grain measure).

Module 3 Chapter 5: Overview of Methods for Data Collection and Measurement Remember that one defining characteristic of scientific inquiry is that it involves observation.

This chapter is concerned with the many different approaches to observation that are commonly utilized in. On the other hand, ultrasonic NDE technique is one of the basic methods to characterize polymeric materials.

By the measurements of the velocity and attenuation of the bulk waves as a function of frequency and temperature [1–3], the moduli of PMMA can be deduced and various relaxation phenomena can be : D.

Fei, X. Zhang, C. Gan, S. Zhang. Though crude as this methods seems, it is accurate to about % with ranges up to about 20 feet. Although the dipstick and lead line method of level measurement are unrivalled in accuracy, reliability, and dependability, there are drawbacks to this technique.

Ultrasound methods for biodiesel production have developed continuously. Table 1 compiles several papers published in the last decade, whether by irradiation ultrasonic indirect (bath) or direct (probe and transducer), in the presence of acid or basic catalysts, using the most diverse raw : Pâmella A.

Oliveira, Raphaela M. Baesso, Gabriel C. Moraes, AndréV. Alvarenga, Rodrigo P.B. Costa-Fé. Overview. In electronics, one of the earliest devices using the principle are ultrasonic distance-measuring devices, which emit an ultrasonic pulse and are able to measure the distance to a solid object based on the time taken for the wave to bounce back to the ToF method is also used to estimate the electron ally, it was designed for measurement of low-conductive.Nondestructive testing (NDT) is a wide group of analysis techniques used in science and technology industry to evaluate the properties of a material, component or system without causing damage.

The terms nondestructive examination (NDE), nondestructive inspection (NDI), and nondestructive evaluation (NDE) are also commonly used to describe this technology.Standard Guide to Test Methods and Standards for Nondestructive Testing of Advanced Ceramics: ASTM D Standard Test Method for Measurement of Resin Content and Other Related Properties of Polymer Matrix Thermoset Prepreg by Combined Mechanical and Ultrasonic Methods (Withdrawn ) ABS