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Induction Heating is a Contactless Heating Method of bodies, which absorb energy from an Alternating Magnetic Field, generated by Induction Coil (Inductor) There are two mechanisms of energy absorption: - generation of close-loop (eddy) currents inside the body which cause heating due to electrical resistance of the body material - hysteresis heating (for magnetic materials ONLY!) due to a friction of magnetic micro volumes (domains), which rotate following orientation of external magnetic field Part 2 deals with heating effects, dynamics of temperature distribution and coil parameter variation in the process of heating as well as with electrodynamic forces created by magnetic field.
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Optimized "Multi-frequency" Scan Hardening Inductor Design Temperature distribution at the end of dwell heating for 4.5 s @ 3 kHz + 3.5 s @ 1 kHz using optimized inductor. Note: Best if viewed in fullscreen. Click Fullscreen, and double click the video for original source size video.
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Optimized Single-frequency Scan Hardening Inductor Design Temperature distribution at the end of dwell heating for 8 seconds at 1 kHz using optimized inductor. Optimum temperature distributor was achieved by variation of copper’s cross-section and magnetic flux concentrator from Fluxtrol A material. Note: Best if viewed in fullscreen. Click Fullscreen, and double click the video for original source size video.
Views: 3591
Traditional Scan Hardening Inductor Design. Temperature distribution at the end of dwell heating for 8 seconds at 1 kHz using standard inductor. Note: Best if viewed in fullscreen. Click Fullscreen, and double click the video for original source size video.