The rotation rate of our table can be quoted in various units. The following are often used - period, revolutions per minute, or units of ‘f’, as described below:
The angular velocity of the tank, Ω , in radians per second
The Coriolis parameter (f) defined as f = 2Ω
The period of one revolution of the tank, τ, in seconds is τ = 2π/Ω
Revolutions per minute, rpm = 60/τ
|τ(s)||∞||8π = 25. 1||4π = 12. 6||2π = 6. 3||4π/3 = 4. 2||π = 3.14|
|rpm||0||2. 4||4. 7||9.5||14.3||19.1|
Note that on the ‘big’ table pictured above, the digital readout is the rotation rate in `milli-f’: thus 1000 is a rotation rate of 1× f: the period of rotation is thus 12.6 s.