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Graphical Magnetogranulometry of EMG909

Title data

Rehberg, Ingo ; Richter, Reinhard ; Hartung, Stefan:
Graphical Magnetogranulometry of EMG909.
Ithaca, NY : Cornell University , 2019 . - 3 p.

Official URL: Volltext

Abstract in another language

The magnetization curve of the ferrofluid EMG909 is measured. It can adequately be described by a superposition of four Langevin terms. The effective dipole strength of the magnetic particles in this fluid is subsequently obtained by a graphical rectification of the magnetization curve based on the inverse Langevin function. The method yields the arithmetic and the harmonic mean of the magnetic moment distribution function, and a guess for the geometric mean and the relative standard deviation. It has the advantage that it does not require a prejudiced guess of the distribution function of the poly-disperse suspension of magnetic particles.

Further data

Item Type: Preprint, postprint
Keywords: Ferrofluid; magnetogranulometry; inverse Langevin function; ferrofluid EMG909 from Ferrotec Co.
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Experimental Physics V > Chair Experimental Physics V - Univ.-Prof. Dr. Ingo Rehberg
Profile Fields > Advanced Fields > Nonlinear Dynamics
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 530 Physics
Date Deposited: 01 Aug 2019 08:39
Last Modified: 01 Aug 2019 08:39
URI: https://eref.uni-bayreuth.de/id/eprint/51692