Angular Velocity in Molten Ga75In25 Alloy & Mercury with Rotating Magnetic Field
0Experimental Investigation and Modelling of the Angular Velocity as a Function of the Radius in Molten Ga75In25 Alloy and Mercury Stirred by Rotation Magnetic Field
Layman's Abstract: When studying how metals like steel or aluminum solidify, it's important to understand how the liquid metal flows during cooling, as this affects the final product. The flow is influenced by a phenomenon called Rotating Magnetic Field (RMF), but getting accurate data on how the liquid metal moves is difficult in industrial settings. To solve this, researchers use experiments with low-melting-point metals (like mercury or gallium alloys) to gather the necessary information.
This study explores two methods for measuring the speed of the liquid metal as it moves in a magnetic field. The first method, the Pressure Compensation Method (PCM), involves using a closed container with a gallium-indium alloy, measuring the pressure to calculate the speed of the liquid metal at different distances from the container’s center. The second method, the Turbine Wheel Method (TWM), measures the speed of mercury flowing through a long glass tube using an anemometer. Both methods used a magnetic field to influence the flow.
The results showed that the speed of the liquid metal changes significantly as you move from the edge to the center of the container, which is different from common assumptions made in simulations. Also, the speed at the edge of the container isn’t zero, which was previously assumed. Based on these findings, the researchers developed a physical model and two mathematical equations to better simulate the melt flow during the solidification of alloys. These models can improve the accuracy of simulations used in industrial casting processes.
#AlloySolidification #MeltFlowSimulation #MagneticField #RMF #LiquidMetalFlow #AlloyCasting #MagneticInduction #SimulationTechniques #MaterialsScience #CastingProcess #TurbineWheelMethod #PressureCompensationMethod #Metallurgy #SolidificationResearch
View Book:- https://stm.bookpi.org/CRPPS-V9/article/view/17842
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