ABSTRAK
Penelitian ini menjelaskan model simulasi magnetik 3D desain magnetorheological
multicoil brake. Desain MRB multikoil aksial memiliki koil lebih dari satu buah
yang terletak di luar casing. Desain ini dapat mempermudah proses perawatan rem.
Satu pasang koil digunakan untuk proses simulasi yang telah mewakili seluruh koil
mampu mendistribusikan fluks magnetik pada seluruh bagian-bagian
eletromagnetik. Tujuan dari simulasi ini adalah mampu menghasilkan fluks
magnetik pada bagian permukaan rotor disk brake. Nilai fluks magnetik MRB
multikoil lebih tinggi daripada MRB konvensional dengan satu koil yang berukuran
lebih besar. Hasil penelitian simulasi ini digunakan untuk mengidentifikasi pengaruh
perbedaan cairan pada setiap variasi. Masing-masing cairan MRF-122EG, MRF-
132DG, dan MRF-140CG diinjeksi pada setiap gap sebesar 0,50 mm, 1,00 mm, dan
1,50 mm. Pada proses simulasi dialiri arus sebesar 0,25 ampere, 0,50 ampere, 0,75
ampere, 1,00 ampere, 1,50 ampere, dan 2,00 ampere. Nilai fluks magnetik yang
dihasilkan sebesar 336 mTesla oleh MRF-140CG pada gap sebesar 0,5 mm. Hasil
simulasi tersebut menunjukkan semakin kecil variasi gap akan semakin besar nilai
fluks magnetik.
Kata kunci: Magnetorheological brake, magnetorheological fluid, fluks magnetik,
simulasi
ABSTRACT
This research describes magnetic simulation 3D design of magnetorheological
multicoil brake (MRB). The MRB axial design had more than one coil located
outside of casing. This design could simplify the maintenance process of brakes. One
pair of coils was used as the representative of the entire coil in simulation process
and it could distribute magnetic flux on all parts of the electromagnetic. The
objective of this simulation was to produce magnetic flux on the surface of the disc
brake rotor. The value of the MRB magnetic flux was higher than that of the
conventional MRB having one coil with a larger size. The result of the simulation
would be used to identify the effect of different fluids on each variation. The
Magneto-rheological fluid (MRF)-122EG, MRF-132DG, and MRF-140CG were
injected in each gap as much as 0.50 mm, 1.00 mm, and 1.50 mm respectively. On
the simulation process, they were energized at 0.25 amperes, 0.50 amperes, 0.75
amperes, 1.00 amperes, 1.50 amperes, and 2.00 amperes respectively. The magnetic
flux produced by MRF-140CG was 336 m Tesla on the gap of 0.5 mm. The result of
the simulation shows that the smaller the gap variation was, the higher the magnetic
value was.
Keywords: Magnetorheological brake, magnetorheological fluid, magnetic flux,
simulation
