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Tractive Effort Required during Free-Running Formula

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Free Run Tractive Effort is refers to the pulling or pushing force that a vehicle or locomotive needs to overcome resistance and move forward. Check FAQs

F free = (98.1 \cdot W \cdot G) + (W \cdot R sp)

F_free - Free Run Tractive Effort?W - Weight of Train?G - Gradient?R_sp - Specific Resistance Train?

Tractive Effort Required during Free-Running Example

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Here is how the Tractive Effort Required during Free-Running equation looks like with Values.

Here is how the Tractive Effort Required during Free-Running equation looks like with Units.

Here is how the Tractive Effort Required during Free-Running equation looks like.

52685.506 = (98.1 \cdot 30000 \cdot 0.52) + (30000 \cdot 9.2)

52685.506N = (98.1 \cdot 30000AT (US) \cdot 0.52) + (30000AT (US) \cdot 9.2)

52685.506 = (98.1 \cdot 30000 \cdot 0.52) + (30000 \cdot 9.2)

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Tractive Effort Required during Free-Running Solution

Follow our step by step solution on how to calculate Tractive Effort Required during Free-Running?

FIRST Step Consider the formula

F free = (98.1 \cdot W \cdot G) + (W \cdot R sp)

Next Step Substitute values of Variables

∴

F free = (98.1 \cdot 30000AT (US) \cdot 0.52) + (30000AT (US) \cdot 9.2)

Next Step Convert Units

∴

F free = (98.1 \cdot 875.0001kg \cdot 0.52) + (875.0001kg \cdot 9.2)

Next Step Prepare to Evaluate

∴

F free = (98.1 \cdot 875.0001 \cdot 0.52) + (875.0001 \cdot 9.2)

Next Step Evaluate

∴

F free = 52685.5060217338N

LAST Step Rounding Answer

∴

F free = 52685.506N

Tractive Effort Required during Free-Running Formula Elements

Variables

Free Run Tractive Effort

Free Run Tractive Effort is refers to the pulling or pushing force that a vehicle or locomotive needs to overcome resistance and move forward.

Symbol: F_free

Measurement: ForceUnit: N

Note: Value should be greater than 0.

Formulas to find Free Run Tractive Effort

Weight of Train

Weight of Train is total weight of the train in tonns.

Symbol: W

Measurement: WeightUnit: AT (US)

Note: Value can be positive or negative.

Formulas to find Weight of Train

Gradient

The Gradient is simply the product of the sine angle and constant 100 for the train. It is expressed in the percentage of the rise in meters in the track distance of 100 metres.

Symbol: G

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Gradient

Specific Resistance Train

Specific Resistance Train is defined in terms of force required to encounter resistance arising due to vehicle, track, grade, curve, acceleration, wind at different time and place etc.

Symbol: R_sp

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Specific Resistance Train

Other formulas in Tractive Effort category

Go Total Tractive Effort Required for Propulsion of Train

F train = F or + F og + F

Go Tractive Effort at Edge of Pinion

F pin = \frac{2 \cdot τ e}{d 1}

Go Tractive Effort at Wheel

F w = \frac{F pin \cdot d 2}{d}

Go Tractive Effort during Acceleration

F α = (277.8 \cdot W e \cdot α) + (W \cdot R sp)

How to Evaluate Tractive Effort Required during Free-Running?

Tractive Effort Required during Free-Running evaluator uses Free Run Tractive Effort = (98.1*Weight of Train*Gradient)+(Weight of Train*Specific Resistance Train) to evaluate the Free Run Tractive Effort, The Tractive effort required during free-running formula is defined as the addition of the product of the weight of the train, the gradient of the train with constant 98.1, and product of the weight of the train, specific train resistance. Free Run Tractive Effort is denoted by F_free symbol.

How to evaluate Tractive Effort Required during Free-Running using this online evaluator? To use this online evaluator for Tractive Effort Required during Free-Running, enter Weight of Train (W), Gradient (G) & Specific Resistance Train (R_sp) and hit the calculate button.

FAQs on Tractive Effort Required during Free-Running

What is the formula to find Tractive Effort Required during Free-Running?

The formula of Tractive Effort Required during Free-Running is expressed as Free Run Tractive Effort = (98.1*Weight of Train*Gradient)+(Weight of Train*Specific Resistance Train). Here is an example- 52685.51 = (98.1*875.000100008866*0.52)+(875.000100008866*9.2).

How to calculate Tractive Effort Required during Free-Running?

With Weight of Train (W), Gradient (G) & Specific Resistance Train (R_sp) we can find Tractive Effort Required during Free-Running using the formula - Free Run Tractive Effort = (98.1*Weight of Train*Gradient)+(Weight of Train*Specific Resistance Train).

Can the Tractive Effort Required during Free-Running be negative?

No, the Tractive Effort Required during Free-Running, measured in Force cannot be negative.

Which unit is used to measure Tractive Effort Required during Free-Running?

Tractive Effort Required during Free-Running is usually measured using the Newton[N] for Force. Exanewton[N], Meganewton[N], Kilonewton[N] are the few other units in which Tractive Effort Required during Free-Running can be measured.

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Tractive Effort Required during Free-Running Formula

Tractive Effort Required during Free-Running Example

Tractive Effort Required during Free-Running Solution

Tractive Effort Required during Free-Running Formula Elements

Other formulas in Tractive Effort category

How to Evaluate Tractive Effort Required during Free-Running?

FAQs on Tractive Effort Required during Free-Running

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