b'Heavy Equipment | Engineer InnovationThe Pure Perfection of Electromagnetic Suspension in Induction FurnacesDr. Vitaly Peysakhovich, President, Elmag CorporationRMS [J]RMS [J] 2A/mm2 A/mm 1830 2 1424 1118 7.212 3.66 001 1a) b)Figure 2: Magnetic field and current in coldFigure 3: Current density distribution in load. 1-solid load, 2-molten load.crucible furnace with solid load. 1-cold crucible profile.additional advantage of the 24-sectionTime step 1 Results 1crucible is also due to a more uniformField 1distribution of the magnetic field along3D MagNet Solid loadthe load azimuth perimeter. ThisModel 1significantly improves stability of the molten load meniscus. Time step 2 Results 2Field 2Figure 3 shows distribution of currents3D MagNetinduced by furnace coil in two variants:Model 2solid and combination of solid/ molten loads.Time step 3 Results 3The furnace magnetic field induces Induction Coil Field 3 Output Cold Cruciblecurrent, and therefore heating in both Electrical 3D MagNet 1the solid and molten load. At the sameparameters Model 3Outputtime, there are very big differencesTime step n 2between the two kinds of loads:nOutputdrastically different shape and material3properties. In the process of one furnaceTime step N Results N Outputheat, during load transfer from a solidField N nbillet to molt meniscus, there are3D MagNetOutputcardinal changes of furnace loadModel N Nparameters. As was previously stated, the furnace must simultaneously meltGeometry:m - Molten frontthe load and suspend the molten metal.m/s - Molten/Solid LoadThe satisfaction of both conditions requires complex calculations. Figure 4 shows the workflow diagram developed for the calculations.Figure 4: Calculation workflow diagram35'