The Magnetic Circuit in Theory and PracticeLongmans, 1896 - 362 páginas |
Dentro del libro
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Página xv
... CIRCUITS OF VARIOUS KINDS OF ELECTROMAGNETS AND TRANSFORMERS . 219 220 A. - Physical Principles 147. Magnetic Cycles 148. Dissipation of Energy by Hysteresis 224 226 ARTICLE 149. Influence of Shape ; Retentivity ; Coercive Intensity.
... CIRCUITS OF VARIOUS KINDS OF ELECTROMAGNETS AND TRANSFORMERS . 219 220 A. - Physical Principles 147. Magnetic Cycles 148. Dissipation of Energy by Hysteresis 224 226 ARTICLE 149. Influence of Shape ; Retentivity ; Coercive Intensity.
Página xvi
H. Du Bois. ARTICLE 149. Influence of Shape ; Retentivity ; Coercive Intensity 150. Permanent Magnets . 151. Magnetic Reluctance in Joints . 152. Influence of Applied Longitudinal Pressure 153. Time Variations of the Magnetic Conditions ...
H. Du Bois. ARTICLE 149. Influence of Shape ; Retentivity ; Coercive Intensity 150. Permanent Magnets . 151. Magnetic Reluctance in Joints . 152. Influence of Applied Longitudinal Pressure 153. Time Variations of the Magnetic Conditions ...
Página xvii
... Shape of the Test - Piece 207. Details of the Method 208. Determination of Distribution . . 317 318 319 320 A. - Magnetometric Methods 209. Plan of the Experiments . 210. Virtual Length of the Magnet 321 323 a ARTICLE 211. Helmholtz's ...
... Shape of the Test - Piece 207. Details of the Method 208. Determination of Distribution . . 317 318 319 320 A. - Magnetometric Methods 209. Plan of the Experiments . 210. Virtual Length of the Magnet 321 323 a ARTICLE 211. Helmholtz's ...
Página 5
... shapes in the space near them we need not go into . It will be sufficient to mention briefly a few special cases which we most frequently meet with . 2 Here again , as has been before stated , all the equations are to be interpreted in ...
... shapes in the space near them we need not go into . It will be sufficient to mention briefly a few special cases which we most frequently meet with . 2 Here again , as has been before stated , all the equations are to be interpreted in ...
Página 7
... shape nor on the area of the winding . At the ends themselves the value of 1⁄2 , as a little consideration will show , is only one- half the above , ( 8 ) • $ = 2πηΙ L and diminishes rapidly as the distance in the direction of the axis ...
... shape nor on the area of the winding . At the ends themselves the value of 1⁄2 , as a little consideration will show , is only one- half the above , ( 8 ) • $ = 2πηΙ L and diminishes rapidly as the distance in the direction of the axis ...
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Términos y frases comunes
abscissæ action air-gap already analogy approximately armature axis C.G.S. units chapter circumference component conductor consider considerable constant core corresponding cross-section Crown 8vo curve of magnetisation denote determined Diagrams direction discussed distance distribution dx dy dynamo machines electric electromagnetic electromotive force end-elements equal equation experimental experiments expression external ferromagnetic body ferromagnetic substance field-magnets flux of induction funct function further galvanometer given Hopkinson hysteresis integration investigation iron lamellar latter leakage leakage-coefficient lifting force line-integral lines of induction magnetic circuit magnetic field magnetic induction magnetic intensity magnetic potential magnetic reluctance magnetomotive force Maxwell mean measure method number of turns obtained Ohm's Ohm's law ordinates permeability permeance plane pole-pieces proportional quantity question radial represented resistance resultant induction ring secondary coil self-induction Silv slit solenoidal surface theoretical theory tion toroid transformers variable vector
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