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Tractive Effort during Acceleration Formula

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Acceleration Tractive effort to the force exerted by a locomotive or a vehicle's driving wheels on the track, which is necessary to overcome the resistance and accelerate the vehicle forward. Check FAQs

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

F_α - Acceleration Tractive Effort?W_e - Accelerating Weight of Train?α - Acceleration of Train?W - Weight of Train?R_sp - Specific Resistance Train?

Tractive Effort during Acceleration Example

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Here is how the Tractive Effort during Acceleration equation looks like with Values.

Here is how the Tractive Effort during Acceleration equation looks like with Units.

Here is how the Tractive Effort during Acceleration equation looks like.

1.1E+6 = (277.8 \cdot 33000 \cdot 14.4) + (30000 \cdot 9.2)

1.1E+6N = (277.8 \cdot 33000AT (US) \cdot 14.4km/h*s) + (30000AT (US) \cdot 9.2)

1.1E+6 = (277.8 \cdot 33000 \cdot 14.4) + (30000 \cdot 9.2)

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Tractive Effort during Acceleration Solution

Follow our step by step solution on how to calculate Tractive Effort during Acceleration?

FIRST Step Consider the formula

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

Next Step Substitute values of Variables

∴

F α = (277.8 \cdot 33000AT (US) \cdot 14.4km/h*s) + (30000AT (US) \cdot 9.2)

Next Step Convert Units

∴

F α = (277.8 \cdot 962.5001kg \cdot 4m/s²) + (875.0001kg \cdot 9.2)

Next Step Prepare to Evaluate

∴

F α = (277.8 \cdot 962.5001 \cdot 4) + (875.0001 \cdot 9.2)

Next Step Evaluate

∴

F α = 1077580.12316377N

LAST Step Rounding Answer

∴

F α = 1.1E+6N

Tractive Effort during Acceleration Formula Elements

Variables

Acceleration Tractive Effort

Acceleration Tractive effort to the force exerted by a locomotive or a vehicle's driving wheels on the track, which is necessary to overcome the resistance and accelerate the vehicle forward.

Symbol: F_α

Measurement: ForceUnit: N

Note: Value should be greater than 0.

Formulas to find Acceleration Tractive Effort

Accelerating Weight of Train

Accelerating Weight of Train is the effective weight of train that has angular acceleration due to the rotational inertia including the dead weight of the train.

Symbol: W_e

Measurement: WeightUnit: AT (US)

Note: Value can be positive or negative.

Formulas to find Accelerating Weight of Train

Acceleration of Train

Acceleration of Train is the rate of change in velocity to the change in time.

Symbol: α

Measurement: AccelerationUnit: km/h*s

Note: Value should be greater than 0.

Formulas to find Acceleration of Train

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

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 on Driven Wheel

F w = \frac{i \cdot i o \cdot (\frac{η dl}{100}) \cdot T pp}{r d}

How to Evaluate Tractive Effort during Acceleration?

Tractive Effort during Acceleration evaluator uses Acceleration Tractive Effort = (277.8*Accelerating Weight of Train*Acceleration of Train)+(Weight of Train*Specific Resistance Train) to evaluate the Acceleration Tractive Effort, The tractive effort during acceleration formula is defined as the addition of the tractive effort required for acceleration and tractive effort to overcome the train resistance. Acceleration Tractive Effort is denoted by F_α symbol.

How to evaluate Tractive Effort during Acceleration using this online evaluator? To use this online evaluator for Tractive Effort during Acceleration, enter Accelerating Weight of Train (W_e), Acceleration of Train (α), Weight of Train (W) & Specific Resistance Train (R_sp) and hit the calculate button.

FAQs on Tractive Effort during Acceleration

What is the formula to find Tractive Effort during Acceleration?

The formula of Tractive Effort during Acceleration is expressed as Acceleration Tractive Effort = (277.8*Accelerating Weight of Train*Acceleration of Train)+(Weight of Train*Specific Resistance Train). Here is an example- 1.1E+6 = (277.8*962.500110009752*4.0000000000032)+(875.000100008866*9.2).

How to calculate Tractive Effort during Acceleration?

With Accelerating Weight of Train (W_e), Acceleration of Train (α), Weight of Train (W) & Specific Resistance Train (R_sp) we can find Tractive Effort during Acceleration using the formula - Acceleration Tractive Effort = (277.8*Accelerating Weight of Train*Acceleration of Train)+(Weight of Train*Specific Resistance Train).

Can the Tractive Effort during Acceleration be negative?

No, the Tractive Effort during Acceleration, measured in Force cannot be negative.

Which unit is used to measure Tractive Effort during Acceleration?

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

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Tractive Effort during Acceleration Formula

Tractive Effort during Acceleration Example

Tractive Effort during Acceleration Solution

Tractive Effort during Acceleration Formula Elements

Other formulas in Tractive Effort category

How to Evaluate Tractive Effort during Acceleration?

FAQs on Tractive Effort during Acceleration

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