Reduction Ratio Formula

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Reduction Ratio is the ratio of diameter of feed to that of diameter of products. Check FAQs
RR=DfDp
RR - Reduction Ratio?Df - Feed Diameter?Dp - Product Diameter?

Reduction Ratio Example

With values
With units
Only example

Here is how the Reduction Ratio equation looks like with Values.

Here is how the Reduction Ratio equation looks like with Units.

Here is how the Reduction Ratio equation looks like.

3.6Edit=18Edit5Edit
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Reduction Ratio Solution

Follow our step by step solution on how to calculate Reduction Ratio?

FIRST Step Consider the formula
RR=DfDp
Next Step Substitute values of Variables
RR=18cm5cm
Next Step Convert Units
RR=0.18m0.05m
Next Step Prepare to Evaluate
RR=0.180.05
LAST Step Evaluate
RR=3.6

Reduction Ratio Formula Elements

Variables
Reduction Ratio
Reduction Ratio is the ratio of diameter of feed to that of diameter of products.
Symbol: RR
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Feed Diameter
Feed Diameter is the diameter of particles in the feed.
Symbol: Df
Measurement: LengthUnit: cm
Note: Value should be greater than 0.
Product Diameter
Product Diameter is the diameter of particles of product.
Symbol: Dp
Measurement: LengthUnit: cm
Note: Value should be greater than 0.

Other formulas in Formulas on Size Reduction Laws category

​Go Area of Feed given Crushing Efficiency
Aa=Ab-(ηcWnes)
​Go Area of Product given Crushing Efficiency
Ab=(ηcWhesL)+Aa
​Go Crushing Efficiency
ηc=es(Ab-Aa)Wh
​Go Energy Absorbed by Material while Crushing
Wh=es(Ab-Aa)ηc

How to Evaluate Reduction Ratio?

Reduction Ratio evaluator uses Reduction Ratio = Feed Diameter/Product Diameter to evaluate the Reduction Ratio, Reduction Ratio in Mechanical operation is the ratio of diameter of feed to that of diameter of products. It gives the efficiency of separation of particles. Reduction Ratio is denoted by RR symbol.

How to evaluate Reduction Ratio using this online evaluator? To use this online evaluator for Reduction Ratio, enter Feed Diameter (Df) & Product Diameter (Dp) and hit the calculate button.

FAQs on Reduction Ratio

What is the formula to find Reduction Ratio?
The formula of Reduction Ratio is expressed as Reduction Ratio = Feed Diameter/Product Diameter. Here is an example- 3.6 = 0.18/0.05.
How to calculate Reduction Ratio?
With Feed Diameter (Df) & Product Diameter (Dp) we can find Reduction Ratio using the formula - Reduction Ratio = Feed Diameter/Product Diameter.
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