Research Article

Thermodynamic Behaviors of a Kind of Self-Decoupling Magnetorheological Damper

Table 2

Main structural parameters of the SDMR damper.

Main structural parametersCoefficientUnitValue

Initial MRF viscosityPa·s4.7
MRF yield strengthkPa54
Work clearancesmm1.2
Cylinder external diametermm230
Cylinder inner diametermm200
Piston pod diametermm70
Spring effective itinerarymm5
Main piston work channel lengthmm40
Total length mm996
Force range of small itinerarykN16.1~195.7
Force range of large itinerarykN195.7~362.2
Coil circle number800
Entirety heat capacitykJ·(K)−1427.5
Critical temperature °C100
The maximum powerW<100
Current rangeA−2~2
Subpiston work channel lengthmm40
Coil total resistance Ω 23.8
Blackening coefficient of the outside wall0.95
The Coulomb force attenuation coefficient0.93–0.95
Resistance coefficient0.98–0.99
Heat coefficient0.91–0.94