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Crushing Efficiency Formula

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Crushing Efficiency is defined as the ratio of surface energy created by crushing to the energy absorbed by the solid . Check FAQs

η c = \frac{e s \cdot (A b - A a)}{W h}

η_c - Crushing Efficiency?e_s - Surface Energy per Unit Area?A_b - Area of Product?A_a - Area of Feed?W_h - Energy Absorbed by Material?

Crushing Efficiency Example

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Here is how the Crushing Efficiency equation looks like with Values.

Here is how the Crushing Efficiency equation looks like with Units.

Here is how the Crushing Efficiency equation looks like.

0.3659 = \frac{17.5 \cdot (100 - 99.54)}{22}

0.3659 = \frac{17.5J/m³ \cdot (100m² - 99.54m²)}{22J}

0.3659 = \frac{17.5 \cdot (100 - 99.54)}{22}

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Crushing Efficiency Solution

Follow our step by step solution on how to calculate Crushing Efficiency?

FIRST Step Consider the formula

η c = \frac{e s \cdot (A b - A a)}{W h}

Next Step Substitute values of Variables

∴

η c = \frac{17.5J/m³ \cdot (100m² - 99.54m²)}{22J}

Next Step Prepare to Evaluate

∴

η c = \frac{17.5 \cdot (100 - 99.54)}{22}

Next Step Evaluate

∴

η c = 0.365909090909086

LAST Step Rounding Answer

∴

η c = 0.3659

Crushing Efficiency Formula Elements

Variables

Crushing Efficiency

Crushing Efficiency is defined as the ratio of surface energy created by crushing to the energy absorbed by the solid .

Symbol: η_c

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Crushing Efficiency

Surface Energy per Unit Area

Surface Energy per Unit Area is the excess energy at the surface of a material compared to its volume.

Symbol: e_s

Measurement: Energy DensityUnit: J/m³

Note: Value should be greater than 0.

Formulas to find Surface Energy per Unit Area

Area of Product

Area Of Product is the area per unit mass of the milled material.

Symbol: A_b

Measurement: AreaUnit: m²

Note: Value can be positive or negative.

Formulas to find Area of Product

Area of Feed

Area of Feed is the area per unit mass of the feed.

Symbol: A_a

Measurement: AreaUnit: m²

Note: Value should be greater than 0.

Formulas to find Area of Feed

Energy Absorbed by Material

Energy Absorbed by Material is the energy that the material particles acquires while the material is being crushed.

Symbol: W_h

Measurement: EnergyUnit: J

Note: Value should be greater than 0.

Formulas to find Energy Absorbed by Material

Other formulas in Formulas on Size Reduction Laws category

Go Area of Feed given Crushing Efficiency

A a = A b - (\frac{η c \cdot W n}{e s})

Go Area of Product given Crushing Efficiency

A b = (\frac{η c \cdot W h}{e s \cdot L}) + A a

Go Energy Absorbed by Material while Crushing

W h = \frac{e s \cdot (A b - A a)}{η c}

Go Maximum Diameter of Particle Nipped by Rolls

D [P,max] = 0.04 \cdot R c + d

How to Evaluate Crushing Efficiency?

Crushing Efficiency evaluator uses Crushing Efficiency = (Surface Energy per Unit Area*(Area of Product-Area of Feed))/Energy Absorbed by Material to evaluate the Crushing Efficiency, Crushing Efficiency is defined as the ratio of surface energy created by crushing to the energy absorbed by the solid. Crushing Efficiency is denoted by η_c symbol.

How to evaluate Crushing Efficiency using this online evaluator? To use this online evaluator for Crushing Efficiency, enter Surface Energy per Unit Area (e_s), Area of Product (A_b), Area of Feed (A_a) & Energy Absorbed by Material (W_h) and hit the calculate button.

FAQs on Crushing Efficiency

What is the formula to find Crushing Efficiency?

The formula of Crushing Efficiency is expressed as Crushing Efficiency = (Surface Energy per Unit Area*(Area of Product-Area of Feed))/Energy Absorbed by Material. Here is an example- 0.365909 = (17.5*(100-99.54))/22.

How to calculate Crushing Efficiency?

With Surface Energy per Unit Area (e_s), Area of Product (A_b), Area of Feed (A_a) & Energy Absorbed by Material (W_h) we can find Crushing Efficiency using the formula - Crushing Efficiency = (Surface Energy per Unit Area*(Area of Product-Area of Feed))/Energy Absorbed by Material.

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Crushing Efficiency Formula

Crushing Efficiency Example

Crushing Efficiency Solution

Crushing Efficiency Formula Elements

Other formulas in Formulas on Size Reduction Laws category

How to Evaluate Crushing Efficiency?

FAQs on Crushing Efficiency

Variable Name