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Relative Centrifugal Force

Purpose: To determine centrifuge-related parameters.

Description

The centrifugal force in a centrifuge is dependent on the rotating speed and the diameter of the rotation. If a given centrifugal force is needed and the rotation characteristics are known, it is possible to calculate the speed required to attain the needed force.


relative centrifugal force in gravities =

= 0.00001118 * (rotating radius) * ((rotating speed)^2)

 

where:

• The rotating radius is in centimeters. This is the horizontal distance from the center of the rotor axis to the tip of the centrifuge tube.

• The rotating speed is in revolutions per minute (rpm).

 

The rotating speed to achieve a given centrifugal force =

= (square root (89445 * (relative centrifugal force desired) / (rotating radius)))


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Specialty

Objective

ICD-10