A special apparatus for workpieces' magnetic measurement of joule balance at NIM

2012 ◽  
Author(s):  
B. Han ◽  
Q. He ◽  
Y. Wang ◽  
S. Li ◽  
Z. Li ◽  
...  
Keyword(s):  
Magnetic Measurement ◽  
Special Apparatus

Effects of contact gap on nondestructive evaluation using magnetic measurement for ferromagnetic steel

2020 ◽  
Vol 64 (1-4) ◽  
pp. 969-975
Author(s):  
Hiroaki Kikuchi ◽  
Yuki Sato
Keyword(s):  
Magnetic Flux ◽  
Nondestructive Evaluation ◽  
Effective Permeability ◽  
Magnetic Circuit ◽  
Magnetic Measurement ◽  
Air Gap ◽  
Motive Force ◽  
Hysteresis Curve ◽  
Evaluation Technique ◽  
Ferromagnetic Steel

We investigated effects of contact gap on magnetic nondestructive evaluation technique using a magnetic single-yoke probe. Firstly, we evaluated hysteresis curves and impedance related to permeability of the material measured by a single-yoke probe, when an air gap length between the probe and specimens changes. The hysteresis curve gradually inclines to the axis of the magneto-motive force and magneto-motive force at which the magnetic flux is 0 decreases with increasing the gap length. The effective permeability also decreases with increasing the gap thickness. The incremental of gap thickness increases the reluctance inside the magnetic circuit composed of the yoke, specimen and gap, which results in the reduction of flux applying to specimen.

Study on Magnetic Measurement Method for Electrical Steels under Stress

2017 ◽  
Vol 137 (11) ◽  
pp. 654-660
Author(s):  
Kunihiro Senda ◽  
Shinji Koseki ◽  
Yoshiaki Zaizen ◽  
Takeshi Omura ◽  
Yoshiaki Oda
Keyword(s):  
Measurement Method ◽  
Magnetic Measurement ◽  
Electrical Steels

Automatic Magnetic Measurement Facility for Synchrotron Magnets

1970 ◽  
Author(s):  
H. Feng ◽  
E. Malamud ◽  
J. Schivell ◽  
C. Schmidt ◽  
R. Yamada
Keyword(s):  
Magnetic Measurement ◽  
Measurement Facility

scholarly journals Parameter Modeling Analysis and Experimental Verification on Magnetic Shielding Cylinder of All-Optical Atomic Spin Magnetometer

2015 ◽  
Vol 2015 ◽  
pp. 1-7 ◽  
Author(s):  
Hong Zhang ◽  
Sheng Zou ◽  
Xi-Yuan Chen ◽  
Wei Quan
Keyword(s):  
Magnetic Measurement ◽  
Magnetic Shielding ◽  
Key Factors ◽  
Actual Measurement ◽  
Atomic Spin ◽  
Modeling Analysis ◽  
Measurement Results ◽  
All Optical ◽  
Ultrahigh Sensitivity ◽  
Shielding Effects

The ultrahigh sensitivity atomic spin magnetometer as the magnetic measurement sensor has received much concern. The performance of the magnetic shielding cylinder is one of the key factors constraining the atomic spin magnetometer’s sensitivity. In order to effectively improve the performances of the magnetic shielding, the parameter optimization models of the magnetic shielding cylinder were established in this paper. Under the condition of changing only one parameter while the others keeping constant, the effects of various parameters influencing the axial shielding coefficient were comprehensively analyzed, and the results showed that the smaller the innermost length, the innermost radius, and the radial spacing were, and the greater the axial spacing was, the better the shielding performance could be obtained. According to these results and the actual needs, the magnetic shielding cylinder was optimally designed, and then the shielding effects were simulated via the software Ansoft. The simulation results showed that the optimized magnetic shielding cylinder had the advantages of small size, high shielding performance, and lager uniformity than that of the nonoptimized one. The actual measurement results showed that the residual magnetism in the optimized magnetic shielding cylinder was below 0.1 nT, which was 2~4 times lower than the nonoptimized one.

INTENTIONAL SYNTHESIS OF BINARY RADICAL THAT BEARING NITRONYL AND IMINO NITROXIDES: X-RAY ANALYSIS AND MAGNETIC MEASUREMENT

Heterocycles ◽  
2013 ◽  
Vol 87 (10) ◽  
pp. 2031
Author(s):  
Fumiyasu Iwahori ◽  
Takayuki Suzuki ◽  
Kosuke Kato
Keyword(s):  
Magnetic Measurement ◽  
X Ray

Non-destructive magnetic measurement of steel grain size

1976 ◽  
Vol 9 (3) ◽  
pp. 117-120 ◽  
Author(s):  
S. Titto ◽  
M. Otala ◽  
S. Säynäjäkangas
Keyword(s):  
Grain Size ◽  
Magnetic Measurement ◽  
Non Destructive

scholarly journals Magnetic assessment and modelling of the Aramis undulator beamline

2018 ◽  
Vol 25 (3) ◽  
pp. 686-705 ◽  
Author(s):  
M. Calvi ◽  
C. Camenzuli ◽  
R. Ganter ◽  
N. Sammut ◽  
Th. Schmidt
Keyword(s):  
Magnetic Properties ◽  
Magnetic Measurement ◽  
Hall Probe ◽  
Measurement Equipment ◽  
Series Production ◽  
Close Collaboration ◽  
X Ray ◽  
Short Period ◽  
Reduction Methods ◽  
Paul Scherrer

Within the SwissFEL project at the Paul Scherrer Institute (PSI), the hard X-ray line (Aramis) has been equipped with short-period in-vacuum undulators, known as the U15 series. The undulator design has been developed within the institute itself, while the prototyping and the series production have been implemented through a close collaboration with a Swiss industrial partner, Max Daetwyler AG, and several subcontractors. The magnetic measurement system has been built at PSI, together with all the data analysis tools. The Hall probe has been designed for PSI by the Swiss company SENIS. In this paper the general concepts of both the mechanical and the magnetic properties of the U15 series of undulators are presented. A description of the magnetic measurement equipment is given and the results of the magnetic measurement campaign are reported. Lastly, the data reduction methods and the associated models are presented and their actual implementation in the control system is detailed.

Internal magnetic measurement in collisional-merging process of a field-reversed configuration

2021 ◽  
Vol 92 (5) ◽  
pp. 053541
Author(s):  
T. Watanabe ◽  
T. Asai ◽  
Ts. Takahashi ◽  
D. Kobayashi ◽  
D. Harashima
Keyword(s):  
Magnetic Measurement ◽  
Field Reversed Configuration ◽  
Merging Process

Anthropometric comparison of muscular and obese men

1961 ◽  
Vol 16 (6) ◽  
pp. 955-959 ◽  
Author(s):  
W. Leonard Taylor ◽  
Albert R. Behnke
Keyword(s):  
Body Weight ◽  
Anthropometric Data ◽  
Reference Base ◽  
Minimal Time ◽  
Tape Measure ◽  
Large Numbers ◽  
Special Apparatus ◽  
Physiologic Parameters ◽  
D Values

Body weight is frequently too gross as a reference base for physiologic parameters. Adequate techniques are available to measure such components as water and fat, but these procedures are time consuming and require special apparatus. The high correlation, however, between anthropometric circumferences, stature, and body weight makes possible a partition of weight into components, W( A) and W( B). In obese men it can be shown that the “trunk” W( A) component greatly exceeds the weight of W( B) referable chiefly to the extremities. In athletes, W( B) exceeds W( A). The average of W( A) and W( B) closely approximates body weight. From the anthropometric perimeters it is possible to calculate d values which can be used to construct a somatogram to provide quantitative representation of bodily configuration. The technique for procurement of the anthropometric data can be carried out on large numbers of individuals in minimal time and requires only a tape measure. Submitted on April 28, 1961

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