Conversion Of G To Rpm

RPM Formula:

\[ RPM = \sqrt{\frac{G \times 894}{r}} \]

RPM (rev/min):

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1. What is G to RPM Conversion?

Definition: This calculator converts relative centrifugal force (RCF or G-force) to revolutions per minute (RPM) based on the rotor radius.

Purpose: It's commonly used in centrifugation applications to determine the required rotational speed to achieve a specific G-force.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ RPM = \sqrt{\frac{G \times 894}{r}} \]

Where:

\( RPM \) — Rotational speed (revolutions per minute)
\( G \) — Relative centrifugal force (G-force)
\( r \) — Rotor radius (centimeters)

Explanation: The formula calculates the rotational speed needed to achieve a specific G-force at a given radius from the center of rotation.

3. Importance of G to RPM Conversion

Details: Proper conversion is essential in laboratory, industrial, and medical centrifugation processes where specific G-forces are required for separation.

4. Using the Calculator

Tips: Enter the desired G-force and the rotor radius in centimeters. Both values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: Why is the radius measurement important?
A: The G-force experienced depends on both rotational speed and distance from the center of rotation (radius).

Q2: What's a typical rotor radius?
A: This varies by centrifuge model but is typically between 5-20 cm for laboratory centrifuges.

Q3: Can I use this for any centrifuge?
A: Yes, as long as you know the exact radius of your rotor.

Q4: How accurate is this calculation?
A: It's mathematically precise, but actual centrifuge performance may vary slightly due to mechanical factors.

Q5: What's the relationship between G and RPM?
A: G-force increases with the square of RPM - doubling RPM quadruples the G-force.