Comparison of Induction Heating and Dielectric Heating
|
Sr.
No. |
Parameters |
Induction
heating |
Dielectric
heating |
|
1. |
Principle |
Electromagnetic induction |
Electrostatic induction |
|
2. |
Area of heat generation |
On the surface |
Inside the material |
|
3. |
Type of heating |
Non uniform |
Uniform |
|
4. |
Frequency of generator |
200 to 500 kHz |
1MHz to 50 MHz |
|
5. |
Equipment cost |
Low |
High |
|
6. |
Applications |
Annealing soldering, brazing, surface hardening of steel. |
Gluing, drying of wood, Plastic sewing, food processing. |
|
7. |
Material used (workpiece) |
Metals |
Dielectric materials |