D = 2R	internal diameter of the housing (m)
DJ = 2RJ	outer inertia ring diameter (m)
CR = R − RJ	radial clearance (m)
B0	width of the housing (m)
Bp	width of the inertia ring (m)
h	oil film height (m)
hmin	minimum oil film height (m))
x = j × R, y, z	Cartesian coordinate system
φ	angular coordinate (rad)
ω 1	angular velocity of the inertia ring (rad/s)
ω 2	angular velocity of the housing (rad/s)
ωw = ω2 − ω1	relative angular velocity of the housing and inertia ring (rad/s)
O	center position of the housing
OJ	center position of the ring
F	inertia ring weight (N)
FL	hydrodynamic buoyancy force (N)
e = ${\overline{\mathrm{O}}\overline{\mathrm{O}}}_{\mathrm{J}}$	ring and housing position eccentricity (m)
ε = e/CR	relative eccentricity (–)
β	angle of the center line of the inertia ring (OJ) and the housing (O) (rad)
p	oil film pressure (N/m2)
T	oil temperature (°C)
T0	ambient temperature (°C)
TB	damper housing temperature (°C)
η(T)	dynamic viscosity of the oil (Pas)
ρ(T)	oil density (kg/m3)
α(T)	heat transfer coefficient (W/m2 °C)