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Friday, July 24, 2020 | History

2 edition of factors affecting the optimal performance of eddy-current machines. found in the catalog.

factors affecting the optimal performance of eddy-current machines.

Henry Donald Luddington Clark

factors affecting the optimal performance of eddy-current machines.

by Henry Donald Luddington Clark

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  • 6 Currently reading

Published by Universityof Aston in Birmingham. Department of Electrical Engineering in Birmingham .
Written in English


Edition Notes

SeriesM. Phil thesis
ID Numbers
Open LibraryOL21002279M

At the beginning of the design, the above factors affecting the accuracy of the eddy current thickness gauge are Linshang eddy current thickness gauge has temperature compensation function and the working temperature is from 0 °C to 50 °C. Eddy Current Material Separators can be used to separate metals from non-metal trash. For example, machines using this method can be used to separate aluminum cans from trash. Identification of metals: Coin operated vending machines utilize eddy currents are used to detect counterfeit coins. Because the eddy currents are different for a real.

Factors Affecting Eddy Current Measurements • Factors affecting eddy current transducers – Lift-off: Separation between the coil and the specimen surface • Impedance of the coil changes as the probe is moved from air till it touches the material surface – liftoff curve • Minimized by the use of surface-riding probes or multifrequency. Viewing Condition Factors That Affect Object Visibility. The image below is an image of the array of objects we used to demonstrate the effects of image quality factors. We now use it to demonstrate how the factors associated with the viewing process affect our ability to see the objects.

Start studying Eddy Currents Part 2 Chapters Learn vocabulary, terms, and more with flashcards, games, and other study tools. on basic eddy current principles. The subject is presented under the following headings: Basic Eddy Current Concepts, Eddy Current Generation and Distribution, Coil-Specimen Coupling Factors, Specimen's Magnetic and Electrical Effects, and Basic Electrical Concepts Related to Eddy Current Testing. High product reliability.


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Factors affecting the optimal performance of eddy-current machines by Henry Donald Luddington Clark Download PDF EPUB FB2

Many factors affect the magnitude of eddy current flow in the material under inspection. Some of these can create problems during the inspection but many can be exploited to determine specific material characteristics.

The most significant factors are described in the following: Electrical conductivity. This thesis presents an examination of the factors which influence the performance of eddy-current machines and the way in which they affect optimality of those machines.

After a brief introduction to the types of eddy-current machine considered, the applications to which these machines Author: Henry D.L. Clark. Finally, groups of eddy current sensors may be used in tandem to form an array, which gives the advantage of higher defect resolution and removes the need to scan the probe in one axis.

Factors that affect Eddy Current Inspection. A number of factors, apart from flaws, will affect the eddy current response from a probe.

Factors affecting eddy current response A number of factors, apart from flaws, will affect the eddy current response from a probe. Successful assessment of flaws or any of these factors relies on holding the others constant, or somehow eliminating their effect on the results.

It is this elimination of undesired response that forms theFile Size: KB. Human-factors engineering, also called ergonomics or human engineering, science dealing with the application of information on physical and psychological characteristics to the design of devices and systems for human use.

The term human-factors engineering is used to designate equally a body of knowledge, a process, and a profession. As a body of knowledge, human-factors engineering is a. Go back to Motor Efficiency Factors ↑ 2. Magnetic steel.

Magnetic steel is the most expensive component of the motor, so any increase in the total amount used is undesirable on cost grounds. The iron losses are of two types – hysteresis loss and eddy current loss. 3D model showing induced eddy current magnitude and direction at t = 0 s (left).

Time evolution of the torque in the eddy current braking system (right). Using electromagnetics modeling software, you can study the induced eddy current density and time evolution of the angular velocity, braking torque, and dissipated power.

Factors to be considered while Designing Machine. Ease of assembly: The elements of the machine should be such that the machine can be assembled very the mass production of the complex machines like automobiles, type writers etc, the concept of unit assemblies are common.

Performance factors and best practices for non-hybrid deployment migrations. This section describes factors that affect migrations using the IMAP, cutover, or staged migration methods.

It also identifies best practices to improve migration performance. Factor 1: Data source. FACTORS AFFECTING PERFORMANCE MANAGEMENT SYSTEM OUTCOMES Journal of Information Technology Management Volume XVII, Number2, 27 Stepwise Regression Results and Hypothesis Testing Table 2 shows the results of the stepwise regression used to test the hypotheses in the study (all Beta values significant at).

While the relative rock hardness has an effect both on drilling and explosives performance, environmental factors exert their influence as well. Among the factors to consider in studying drilling costs are: bit costs, labor, fuel consumption, penetration rates, maintenance, machine life, and machine cost.

For example, severe water. Factors Affecting Construction Labor Productivity 6 6. Factors Affecting Labor Productivity There are many factors that affect the productivity of labor in construction. These are generally set forth in publications or manuals made available through associations like the Mechanical Contractors Association of America (MCAA) and other organizations.

Nagato et al. studied the Eddy current (EC) losses in the rotor surfaces [1] where he attained some conclusions on factors affecting the EC. In another work S. Wu et al. analysed ways to improve. Semi-conductor detecting devices are not used very extensivelyin Eddy Current testing, but there has been a lot of research and development with semi-conductor devices.

The principle behind a semi-conductor Eddy Current sensor is called the Hall Effect. The. A review of previous studies that examined testing samples, eddy current testing probe structures and a review of factors contributing to eddy current signals is also presented.

In this video from SuperMagnetMan we look at the main factors affecting eddy current drag: copper thickness, air gap, angular spacing, magnet orientation, and if. Fig. 1 Factors affecting production lines Analyses are carried out by the management on production line problems almost daily and counter measures are taken to further strengthen the performance of the production line.

Analysis is simplified when data is translated into various categories base on critical factors which affects the production lines.

The economic factors that most affect the demand for consumer goods are employment, wages, prices/inflation, interest rates, and consumer confidence. line in Adam Smith's famous book. Search the world's most comprehensive index of full-text books. My library.

Conductivity and permeability are two important factors that affect eddy current penetration and eddy current distribution density. The standard penetration depth formula of the eddy current is shown as: (1) δ = 1 π f μ 0 μ r σ where f is the excitation frequency, μ 0 is the permeability of vacuum, μ r is the relative permeability, and.

With so many VPN connections on networks today, security and interoperability are starting to take a back seat to performance. These insights into the factors that affect VPN performance will help. Subsequently, the magnetic field and eddy current distribution are analyzed using the finite element method followed by manufacturing two MR dampers.

It is noted here that in this work major factors causing the response delay are analyzed and the influence level of the factors affecting response time are determined through Taguchi method.ETher NDE believes that our customers deserve the best; the best Eddy Current equipment, the best Eddy Current probes, the best Eddy Current knowledge and the best service.

We know that the Eddy Current NDT market is very specialised so we strive to give our customers the highest level of Eddy Current expertise.