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Brake specific fuel consumption Formula

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Brake Specific Fuel Consumption is the fuel consumption per unit time per unit brake power. Check FAQs

BSFC = \frac{ṁ f}{BP}

BSFC - Brake Specific Fuel Consumption?ṁ_f - Fuel Consumption in IC engine?BP - Brake Power?

Brake specific fuel consumption Example

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Here is how the Brake specific fuel consumption equation looks like with Values.

Here is how the Brake specific fuel consumption equation looks like with Units.

Here is how the Brake specific fuel consumption equation looks like.

0.0059 = \frac{0.0009}{0.55}

0.0059kg/h/W = \frac{0.0009kg/s}{0.55kW}

0.0059 = \frac{0.0009}{0.55}

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Brake specific fuel consumption Solution

Follow our step by step solution on how to calculate Brake specific fuel consumption?

FIRST Step Consider the formula

BSFC = \frac{ṁ f}{BP}

Next Step Substitute values of Variables

∴

BSFC = \frac{0.0009kg/s}{0.55kW}

Next Step Convert Units

∴

BSFC = \frac{0.0009kg/s}{550W}

Next Step Prepare to Evaluate

∴

BSFC = \frac{0.0009}{550}

Next Step Evaluate

∴

BSFC = 1.63636363636364E-06kg/s/W

Next Step Convert to Output's Unit

∴

BSFC = 0.00589090909090909kg/h/W

LAST Step Rounding Answer

∴

BSFC = 0.0059kg/h/W

Brake specific fuel consumption Formula Elements

Variables

Brake Specific Fuel Consumption

Brake Specific Fuel Consumption is the fuel consumption per unit time per unit brake power.

Symbol: BSFC

Measurement: Specific Fuel ConsumptionUnit: kg/h/W

Note: Value should be greater than 0.

Formulas to find Brake Specific Fuel Consumption

Fuel Consumption in IC engine

Fuel Consumption in IC engine is the amount of fuel consumed by the internal combustion engine.

Symbol: ṁ_f

Measurement: Mass Flow RateUnit: kg/s

Note: Value should be greater than 0.

Formulas to find Fuel Consumption in IC engine

Brake Power

Brake Power is the power available at the crankshaft.

Symbol: BP

Measurement: PowerUnit: kW

Note: Value should be greater than 0.

Formulas to find Brake Power

Other formulas in Important Formulas of Engine Dynamics category

Go Brake Power given Mean Effective Pressure

BP = (P mb \cdot L \cdot A \cdot (N))

Go Mechanical Efficiency of IC engine

η m = (\frac{BP}{IP}) \cdot 100

Go Brake Power given Mechanical Efficiency

BP = (\frac{η m}{100}) \cdot IP

Go Indicated Power given Mechanical Efficiency

IP = \frac{BP}{\frac{η m}{100}}

How to Evaluate Brake specific fuel consumption?

Brake specific fuel consumption evaluator uses Brake Specific Fuel Consumption = Fuel Consumption in IC engine/Brake Power to evaluate the Brake Specific Fuel Consumption, The Brake Specific Fuel Consumption formula is defined as the fuel consumption per unit time divided by the brake power of an IC engine. Brake Specific Fuel Consumption is denoted by BSFC symbol.

How to evaluate Brake specific fuel consumption using this online evaluator? To use this online evaluator for Brake specific fuel consumption, enter Fuel Consumption in IC engine (ṁ_f) & Brake Power (BP) and hit the calculate button.

FAQs on Brake specific fuel consumption

What is the formula to find Brake specific fuel consumption?

The formula of Brake specific fuel consumption is expressed as Brake Specific Fuel Consumption = Fuel Consumption in IC engine/Brake Power. Here is an example- 21.20727 = 0.0009/550.

How to calculate Brake specific fuel consumption?

With Fuel Consumption in IC engine (ṁ_f) & Brake Power (BP) we can find Brake specific fuel consumption using the formula - Brake Specific Fuel Consumption = Fuel Consumption in IC engine/Brake Power.

Can the Brake specific fuel consumption be negative?

No, the Brake specific fuel consumption, measured in Specific Fuel Consumption cannot be negative.

Which unit is used to measure Brake specific fuel consumption?

Brake specific fuel consumption is usually measured using the Kilogram per Hour per Watt[kg/h/W] for Specific Fuel Consumption. Kilogram per Second per Watt[kg/h/W], Kilogram per Second per Brake horsepower[kg/h/W], Kilogram per Hour per Kilowatt[kg/h/W] are the few other units in which Brake specific fuel consumption can be measured.

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Brake specific fuel consumption Formula

Brake specific fuel consumption Example

Brake specific fuel consumption Solution

Brake specific fuel consumption Formula Elements

Other formulas in Important Formulas of Engine Dynamics category

How to Evaluate Brake specific fuel consumption?

FAQs on Brake specific fuel consumption

Variable Name