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electromagnetic field

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Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005877
EISBN: 978-1-62708-167-2
...Abstract Abstract Electromagnetic problem solutions are based on the macroscopic theory of the continuous model for the electromagnetic field (EMF). It is described by a system of integral or partial differential equations for five vector quantities, namely, electric field strength, electric...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005835
EISBN: 978-1-62708-167-2
... transfer modes. The article also discusses the basic concepts of direct current and alternating current circuits, and reviews the theory of electromagnetic fields. alternating current circuits dc circuits electric field intensity emissivity heat transfer coefficient induction heating magnetic...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005898
EISBN: 978-1-62708-167-2
.... The article illustrates the application of the basic equations and approaches formulated for electromagnetic field and melt turbulent flow for the numerical study of an induction crucible furnace. computational fluid dynamics discretization finite volume method fluid viscosity induction crucible...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005234
EISBN: 978-1-62708-187-0
... flow via electromagnetic fields. Conservation equations that represent important physical phenomena during casting processes are presented. The article provides a discussion on how the physical phenomena can be solved. It provides information on a well-established array of general and specific...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005891
EISBN: 978-1-62708-167-2
... tightly wound turns Fig. 7 Results of computer simulation show an electromagnetic end effect that manifests itself by a distortion of the electromagnetic field at end regions of induction coil. Fig. 8 Normalized surface power density distribution along the length of a heated bar using...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005907
EISBN: 978-1-62708-167-2
... and boundary conditions for ICF and IFCC modeling. It includes a discussion on three electromagnetic field models in IFCC, namely, two-dimensional (2-D), quasi-three-dimensional, and three-dimensional (3-D) models. The article provides information on the simulation of skull formation in IFCC, and elucidates...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005858
EISBN: 978-1-62708-167-2
... Electromagnetic fields in the home Table 5 Electromagnetic fields in the home Appliance Magnetic field strength, μT At 3 cm (1.2 in.) At 30 cm (11.8 in.) At 1 m (3.3 ft) Hair dryer 6 – 2000 0.01–7 0.01–0.03 Electric shaver 15 – 1500 0.08–9 0.01–0.03 Vacuum cleaner 200–800 2...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005879
EISBN: 978-1-62708-167-2
...Abstract Abstract Induction heating computations deal with a multiphysics problem containing analysis of several coupled physical fields such as electromagnetic, temperature, mechanical, and metallurgical. In order to solve coupled electromagnetic-temperature field problems, it is necessary...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005892
EISBN: 978-1-62708-167-2
... the solution of coupled electromagnetic and thermal fields, along with the use of optimal design procedures, to identify the best possible device or process. References References 1. Di Barba P. , Multiobjective Shape Design in Electricity and Magnetism , Springer , 2010 10.1007/978-90-481...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006458
EISBN: 978-1-62708-190-0
... materials. (A pole cap used with electromagnetic acoustic transducers, or EMATs, placed on nonmagnetic metals usually reduces the field at the metal surface.) An additional means of controlling the portion of the surface in which currents active in elastic-wave generation are induced is shown in sections...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005533
EISBN: 978-1-62708-197-9
... 300 (a) For a face width of 25 mm (1 in.). (b) At a power density of 1.55 kW/cm 2 (10 kW/in. 2 ). (c) For a gear having 40 teeth. Source: Ref 3 Basic electromagnetic field properties Table 6 Basic electromagnetic field properties Quantity Symbol SI units...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003234
EISBN: 978-1-62708-199-3
... serviceability can cause instrument signals that mask critical variables or are mistakenly interpreted to be caused by critical variables. In eddy-current inspection, eddy currents create their own electromagnetic field, which is sensed either through the effects of the field...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003234
EISBN: 978-1-62708-199-3
... in terms of material or part serviceability can cause instrument signals that mask critical variables or are mistakenly interpreted to be caused by critical variables. Eddy-Current vs. Magnetic Inspection Methods In eddy-current inspection, eddy currents create their own electromagnetic field, which...
Book Chapter

By J.F. Libsch
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001387
EISBN: 978-1-62708-173-3
... to the flow of induced current ( I 2 R losses) in the assembly components. It occurs when the electrically conductive components are placed in the electromagnetic field created by rapidly alternating current flow in the inductor ( Fig. 1 ). With proper coil design, heating occurs rapidly at the joint area...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005876
EISBN: 978-1-62708-167-2
...Abstract Abstract Designing of induction heating, or, generally electro technological installations, requires mathematical modeling for solving problems related to various physical phenomena, including electromagnetic (EM), thermal, mechanical, fluidic, and metallurgical fields. This article...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006450
EISBN: 978-1-62708-190-0
... in terms of material or part serviceability may cause instrument signals that mask critical variables or are mistakenly interpreted to be caused by critical variables. Eddy Current versus Magnetic Inspection Methods In eddy-current inspection, the eddy currents create their own electromagnetic field...
Book Chapter

By G. Keough
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005203
EISBN: 978-1-62708-187-0
..., centrifugal casting system Modern vacuum arc skull melting furnaces are usually equipped with: Coaxial power feed directly to the skull crucible to avoid electromagnetic fields that can disturb the melt bath Programmable control systems for crucible tilting to allow repeatable pouring profiles...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005544
EISBN: 978-1-62708-197-9
... mold design, and reduces fettling costs. MAGMA GmbH http://www.magmasoft.de/ms/products_en_magmasoft/index.php MagNet MagNet is a two-/three-dimensional simulation software for electromagnetic fields to model and predict the performance of electromagnetic or electromechanical devices...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005895
EISBN: 978-1-62708-167-2
... field pattern of a medium-frequency induction crucible furnace Fig. 4 Electrical efficiency of an induction crucible furnace as a function of melt diameter to penetration depth for different materials Fig. 6 Meniscus shape and flow pattern as a result of electromagnetic force density...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001400
EISBN: 978-1-62708-173-3
... to ensure proper equipment setup so that efficient transfer (coupling) of energy between the coil and the workpiece take place. In the induction process, heat energy is not delivered to the workpiece; instead, it is generated within the material by electromagnetic field coupling between the workpiece...