Magnetization Dynamics: Modeling the Ferrite Core of a Joule Thief

  • Context: Graduate 
  • Thread starter Thread starter OGrowli
  • Start date Start date
  • Tags Tags
    Dynamics Magnetization
Click For Summary
SUMMARY

This discussion focuses on modeling the magnetization dynamics of the ferrite core in a Joule Thief circuit. The user seeks to understand the magnetization process in ferrous materials to accurately predict induced electromotive force (emf) based on flux changes. Key concepts include the relationship between magnetic field strength (H) and magnetic flux density (B) in ferromagnetic media. The user requests mathematical resources to deepen their understanding of these processes beyond introductory physics texts.

PREREQUISITES
  • Understanding of magnetic field strength (H) and magnetic flux density (B)
  • Familiarity with the principles of electromagnetism
  • Basic knowledge of ferromagnetic materials and their properties
  • Mathematical skills for modeling physical processes
NEXT STEPS
  • Research the magnetization curve of ferrous materials
  • Study the mathematical modeling of magnetic hysteresis
  • Learn about the effects of core geometry on magnetic properties
  • Explore advanced texts on electromagnetism and magnetic circuits
USEFUL FOR

Electrical engineers, physicists, and hobbyists working on low-power circuits, particularly those interested in the design and optimization of Joule Thief circuits and magnetic materials.

OGrowli
Messages
12
Reaction score
0
I'm working on a project that involves a Joule thief. I need to model the magnetization process of the ferrite core of the toroid. With that I will be able to get an accurate picture of the flux change, which I can use to predict the induced emf based on the characteristics of the system. Everything I learned as an undergrad either involved linear media, or just the behavior of a material after magnetization has happened. I need to learn about the magnetization process in ferrous materials. Can anyone either explain the necessary math or point me in the direction of reading materials that will give me a mathematical overview of these processes? thank you very much.
 
Physics news on Phys.org

Similar threads

Undergrad Iron core barely boosting field strength
  • · Replies 43 ·
2
Replies
43
Views
7K
COMSOL simulation of a 3D Ferrite Bar Numerical Model For Magnetic Flux
  • · Replies 5 ·
Replies
5
Views
4K
Graduate Magnetic Field Outside of Finite Solenoid Greater for Air-Core or Ferrite-Core?
  • · Replies 6 ·
Replies
6
Views
13K
Ferrite Cores on the output cable of a VFD
  • · Replies 4 ·
Replies
4
Views
6K
Admissions Could I please get critique on my SOP? (Experimental Biophysics)
  • · Replies 9 ·
Replies
9
Views
2K
What is the Best Core Material for an AC Electromagnet?
  • · Replies 13 ·
Replies
13
Views
7K
Graduate Visualizing water molecular dynamics in an electromagnetic field
  • · Replies 1 ·
Replies
1
Views
3K
Induced voltage difference in a magnetic field
  • · Replies 1 ·
Replies
1
Views
1K
EMF induced in a coil encircling an ideal solenoid
  • · Replies 2 ·
Replies
2
Views
2K
Magnet dropped down a copper tube experiment
  • · Replies 4 ·
Replies
4
Views
7K