Results 271 to 280 of about 50,885 (308)
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Journal of Applied Physics, 1991
A mechanical method of iron loss measurement in a rotational field was developed and, using this method, the mechanism of iron losses of motor cores was investigated. Iron losses in rotational fields of angular velocity ω(rad/s) induce torque T (Nm) in specimens, and the total losses are calculated from ωT.
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A mechanical method of iron loss measurement in a rotational field was developed and, using this method, the mechanism of iron losses of motor cores was investigated. Iron losses in rotational fields of angular velocity ω(rad/s) induce torque T (Nm) in specimens, and the total losses are calculated from ωT.
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BJOG: An International Journal of Obstetrics & Gynaecology, 1964
F E, HYTTEN, G A, CHEYNE, A I, KLOPPER
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F E, HYTTEN, G A, CHEYNE, A I, KLOPPER
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Journal of the Institution of Electrical Engineers, 1924
In Section I the iron loss in six d.c. machines with undistorted flux has been analysed to determine:? (a) The effect of high flux-density upon the hysteresis loss. (b) The hysteresis and eddy-current exponents over a wide range of flux density. (c) The ranges of frequency and of flux density over which the total iron loss can be represented by an ...
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In Section I the iron loss in six d.c. machines with undistorted flux has been analysed to determine:? (a) The effect of high flux-density upon the hysteresis loss. (b) The hysteresis and eddy-current exponents over a wide range of flux density. (c) The ranges of frequency and of flux density over which the total iron loss can be represented by an ...
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Journal of the American Medical Association, 1950
ABSTRACT To the Editor:— In your editorial "Recent Studies of Iron" (page 904, March 25, 1950) you called attention to large losses of iron in the sweat as reported by Mitchell and Hamilton (J. Biol. Chem.178: 345, 1949). We have recently studied the iron content of sweat obtained from 25 normal persons (Adams, Leslie and Levin: Dermal Loss of Iron, to
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ABSTRACT To the Editor:— In your editorial "Recent Studies of Iron" (page 904, March 25, 1950) you called attention to large losses of iron in the sweat as reported by Mitchell and Hamilton (J. Biol. Chem.178: 345, 1949). We have recently studied the iron content of sweat obtained from 25 normal persons (Adams, Leslie and Levin: Dermal Loss of Iron, to
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The Physiological Iron Loss by the Mouse
Acta Haematologica, 2009, von EHRENSTEIN, G, HEVESY
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2019
In this chapter, methods to calculate iron losses of motors by using electromagnetic field analysis are presented. First, the components of iron loss, i.e., hysteresis loss, eddy current loss, and excess loss, are explained. Next, the iron loss calculation methods that consider the effects of nonlinear characteristics of the core materials, mechanical ...
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In this chapter, methods to calculate iron losses of motors by using electromagnetic field analysis are presented. First, the components of iron loss, i.e., hysteresis loss, eddy current loss, and excess loss, are explained. Next, the iron loss calculation methods that consider the effects of nonlinear characteristics of the core materials, mechanical ...
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Magnetic materials and iron losses
2008Most electrical machines and instruments rely on magnetism for their operation, and in many cases ferromagnetic materials are used, since the magnetic flux produced is thereby increased. This chapter considers some of the properties of these materials and indicates that in many cases the application of magnetic materials brings with it problems which ...
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Proceedings of the Institution of Electrical Engineers, 1965
P. Graneau, F. Brailsford, R. Fogg
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P. Graneau, F. Brailsford, R. Fogg
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Modeling of multi-axial stress dependent iron losses in electrical steel sheets
Journal of Magnetism and Magnetic Materials, 2020U Aydin, Paavo Rasilo, Floran Martin
exaly