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Braking Torque of Disc Brake Formula

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Disc Brake Braking Torque is defined as the torque produced on the friction disc during their rotational movement during braking operation. Check FAQs

T s = 2 \cdot p \cdot a p \cdot μ p \cdot R m \cdot n

T_s - Disc Brake Braking Torque?p - Line Pressure?a_p - Area of One Piston per Caliper?μ_p - Friction Coefficient of Pad Material?R_m - Mean Radius of Caliper Unit to Disc Axis?n - Number of Caliper Units?

Braking Torque of Disc Brake Example

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Here is how the Braking Torque of Disc Brake equation looks like with Values.

Here is how the Braking Torque of Disc Brake equation looks like with Units.

Here is how the Braking Torque of Disc Brake equation looks like.

0.0547 = 2 \cdot 8 \cdot 0.02 \cdot 0.34 \cdot 0.25 \cdot 2.01

0.0547N*m = 2 \cdot 8N/m² \cdot 0.02m² \cdot 0.34 \cdot 0.25m \cdot 2.01

0.0547 = 2 \cdot 8 \cdot 0.02 \cdot 0.34 \cdot 0.25 \cdot 2.01

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Braking Torque of Disc Brake Solution

Follow our step by step solution on how to calculate Braking Torque of Disc Brake?

FIRST Step Consider the formula

T s = 2 \cdot p \cdot a p \cdot μ p \cdot R m \cdot n

Next Step Substitute values of Variables

∴

T s = 2 \cdot 8N/m² \cdot 0.02m² \cdot 0.34 \cdot 0.25m \cdot 2.01

Next Step Convert Units

∴

T s = 2 \cdot 8Pa \cdot 0.02m² \cdot 0.34 \cdot 0.25m \cdot 2.01

Next Step Prepare to Evaluate

∴

T s = 2 \cdot 8 \cdot 0.02 \cdot 0.34 \cdot 0.25 \cdot 2.01

Next Step Evaluate

∴

T s = 0.054672N*m

LAST Step Rounding Answer

∴

T s = 0.0547N*m

Braking Torque of Disc Brake Formula Elements

Variables

Disc Brake Braking Torque

Disc Brake Braking Torque is defined as the torque produced on the friction disc during their rotational movement during braking operation.

Symbol: T_s

Measurement: TorqueUnit: N*m

Note: Value can be positive or negative.

Formulas to find Disc Brake Braking Torque

Line Pressure

Line Pressure is defined as the pressure acting on the surface lining of the friction disc during braking operation.

Symbol: p

Measurement: PressureUnit: N/m²

Note: Value should be greater than 0.

Formulas to find Line Pressure

Area of One Piston per Caliper

Area of One Piston per Caliper is defined as the area that the piston of caliper covers when brake force is applied.

Symbol: a_p

Measurement: AreaUnit: m²

Note: Value should be greater than 0.

Formulas to find Area of One Piston per Caliper

Friction Coefficient of Pad Material

Friction Coefficient of Pad Material is the frictional coefficient of the brake pad material, and it is a constant.

Symbol: μ_p

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Friction Coefficient of Pad Material

Mean Radius of Caliper Unit to Disc Axis

Mean Radius of Caliper Unit to Disc Axis is defined as the distance from the center of disc brake to the center portion of the caliper.

Symbol: R_m

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Mean Radius of Caliper Unit to Disc Axis

Number of Caliper Units

Number of Caliper Units is defined as the number of calipers that are attached to the disc pads to facilitate braking operation.

Symbol: n

Measurement: NAUnit: Unitless

Note: Value should be less than 30.

Formulas to find Number of Caliper Units

Other formulas in Vehicle Braking Dynamics category

Go Braking Force on Brake Drum on Level Road

F = \frac{W}{g} \cdot f

Go Gradient Descend Brake Drum Force

F = \frac{W}{g} \cdot f + W \cdot \sin (α inc)

Go Braking Torque of Leading Shoe

T l = \frac{W l \cdot m \cdot μf \cdot k}{n t + (μf \cdot k)}

Go Braking Torque of Trailing Shoe

T t = \frac{W t \cdot n t \cdot μ 0 \cdot k}{n t - μ 0 \cdot k}

How to Evaluate Braking Torque of Disc Brake?

Braking Torque of Disc Brake evaluator uses Disc Brake Braking Torque = 2*Line Pressure*Area of One Piston per Caliper*Friction Coefficient of Pad Material*Mean Radius of Caliper Unit to Disc Axis*Number of Caliper Units to evaluate the Disc Brake Braking Torque, The Braking torque of disc brake formula is defined as the torque produced on the disc brake because of the line pressure of the surface of disc brakes when braking force is applied by the driver during braking operation. Disc Brake Braking Torque is denoted by T_s symbol.

How to evaluate Braking Torque of Disc Brake using this online evaluator? To use this online evaluator for Braking Torque of Disc Brake, enter Line Pressure (p), Area of One Piston per Caliper (a_p), Friction Coefficient of Pad Material (μ_p), Mean Radius of Caliper Unit to Disc Axis (R_m) & Number of Caliper Units (n) and hit the calculate button.

FAQs on Braking Torque of Disc Brake

What is the formula to find Braking Torque of Disc Brake?

The formula of Braking Torque of Disc Brake is expressed as Disc Brake Braking Torque = 2*Line Pressure*Area of One Piston per Caliper*Friction Coefficient of Pad Material*Mean Radius of Caliper Unit to Disc Axis*Number of Caliper Units. Here is an example- 0.054672 = 2*8*0.02*0.34*0.25*2.01.

How to calculate Braking Torque of Disc Brake?

With Line Pressure (p), Area of One Piston per Caliper (a_p), Friction Coefficient of Pad Material (μ_p), Mean Radius of Caliper Unit to Disc Axis (R_m) & Number of Caliper Units (n) we can find Braking Torque of Disc Brake using the formula - Disc Brake Braking Torque = 2*Line Pressure*Area of One Piston per Caliper*Friction Coefficient of Pad Material*Mean Radius of Caliper Unit to Disc Axis*Number of Caliper Units.

Can the Braking Torque of Disc Brake be negative?

Yes, the Braking Torque of Disc Brake, measured in Torque can be negative.

Which unit is used to measure Braking Torque of Disc Brake?

Braking Torque of Disc Brake is usually measured using the Newton Meter[N*m] for Torque. Newton Centimeter[N*m], Newton Millimeter[N*m], Kilonewton Meter[N*m] are the few other units in which Braking Torque of Disc Brake can be measured.

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Braking Torque of Disc Brake Formula

Braking Torque of Disc Brake Example

Braking Torque of Disc Brake Solution

Braking Torque of Disc Brake Formula Elements

Other formulas in Vehicle Braking Dynamics category

How to Evaluate Braking Torque of Disc Brake?

FAQs on Braking Torque of Disc Brake

Variable Name