Visualization of Magnetic Field

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Visualizing the magnetic field of an electric motor can be challenging due to the small gap between the rotor and stator, which is typically 0.1 to 0.2 millimeters. Traditional methods like using iron powder or ferrofluid may not be suitable for this purpose. Utilizing multiple Hall sensors to detect magnetic field strength at various locations around the motor is a feasible approach. These sensors can feed data to computer software, which can then interpret the information and create a 3D model of the magnetic field. Accurate measurements require careful consideration of both rotor and stator interactions to ensure meaningful results.
Harmony
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Suppose I have an electric motor, and I wish to visualize how the magnetic field change by time. Is it possible for me to visualize the magnetic field line without using iron powder or ferrofluid? Is it possible to have multiple hall sensors to detect magnetic field strength in various location near the motor, and then have a computer software to interpret it and convert to 3D model?

Thanks in advanced.
 
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It is extremely difficult to measure the magnetic fields inside an electric motor because the gap between the rotor and stator is about 0.1 or 0.2 millimeters. If you try to measure the magnetic field of one without the other, your measurements will have very little meaning.
 

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