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Nonlinear Magnetostrictive TransducerNonlinear Magnetostrictive Transducer

Magnetostrictive transduction is used in sonars, acoustic devices, active vibration and position control and fuel injection systems. The transducer has a steel housing enclosing a drive coil. A magnetostrictive material is placed in the...

Inductive Heating of Copper CylinderInductive Heating of Copper Cylinder

The induced currents in a copper cylinder produce heat, and when the temperature rises, the electrical conductivity of the copper changes. The heating caused by the induced currents is called inductive heating. Generally heating due to...

Simulating a Generator in 2DSimulating a Generator in 2D

In this model, a rotor with permanent magnets and a nonlinear magnetic material rotates within a stator of the same magnetic material. The generated voltage in windings around the stator is calculated as a function of time. COMSOL...

Bond Wires to a ChipBond Wires to a Chip

Bonding wires connect an integrated circuit to the pins of the package that holds it. These wires introduce relatively large inductances that can introduce crosstalk and distort the signals. This model calculates the lumped parameters...

Heating CircuitHeating Circuit

Small-sized heating circuits are used in many applications. For example, in different manufacturing processes, heating circuits are used to heat reactive fluids. This is a stationary model of a heating circuit, consisting of a thin...

Simulating a Generator in 3DSimulating a Generator in 3D

The generator analyzed in this model consists of a rotor with permanent magnets and a nonlinear magnetic material inside a stator of the same magnetic material. The model calculates the static magnetic fields inside and around the...

Model of an RFID SystemModel of an RFID System

An RFID system consists of two main parts: A tag or transponder with a printed circuit-board (PCB) antenna A reader unit with a larger RF antennaThe reader antenna generates an electromagnetic field that energizes a chip (IC-circuit)...

RF-Heated Hot Wall Furnace for Semiconductor ProcessingRF-Heated Hot Wall Furnace for Semiconductor Processing

Furnace reactors are used in the fabrication of semiconductor industry to grow layers on the wafers. These can also be used for epitaxial growth, which is a key technology for fabrication of electrical devices.For the wide band gap...

Linear Electric Motor of Moving Coil TypeLinear Electric Motor of Moving Coil Type

Linear electric motors (LEMs) are electromechanical devices which produce motion in a straight line directly, without the use of a mechanism to convert rotary motion to linear motion. The benefit over conventional rotary-to-linear...

Planar Transformer on a PCBPlanar Transformer on a PCB

A planar transformer is a transformer that is integrated onto a printed circuit board (PCB). They can either be manufactured as standalone devices, or integrated into the PCB of a module. The planar structure improves the cooling...


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