Brake specific fuel consumption Solution

STEP 0: Pre-Calculation Summary
Formula Used
Brake Specific Fuel Consumption = Fuel Consumption in IC engine/Brake Power
BSFC = f/BP
This formula uses 3 Variables
Variables Used
Brake Specific Fuel Consumption - (Measured in Kilogram per Second per Watt) - Brake Specific Fuel Consumption is the fuel consumption per unit time per unit brake power.
Fuel Consumption in IC engine - (Measured in Kilogram per Second) - Fuel Consumption in IC engine is the amount of fuel consumed by the internal combustion engine.
Brake Power - (Measured in Watt) - Brake Power is the power available at the crankshaft.
STEP 1: Convert Input(s) to Base Unit
Fuel Consumption in IC engine: 0.0009 Kilogram per Second --> 0.0009 Kilogram per Second No Conversion Required
Brake Power: 0.55 Kilowatt --> 550 Watt (Check conversion ​here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
BSFC = ṁf/BP --> 0.0009/550
Evaluating ... ...
BSFC = 1.63636363636364E-06
STEP 3: Convert Result to Output's Unit
1.63636363636364E-06 Kilogram per Second per Watt -->0.00589090909090909 Kilogram per Hour per Watt (Check conversion ​here)
FINAL ANSWER
0.00589090909090909 0.005891 Kilogram per Hour per Watt <-- Brake Specific Fuel Consumption
(Calculation completed in 00.004 seconds)

Credits

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Indian Institute of Technology (IIT (ISM) ), Dhanbad, Jharkhand
Aditya Prakash Gautam has created this Calculator and 25+ more calculators!
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National Institute Of Technology (NIT), Hamirpur
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25 Engine Dynamics Calculators

Overall heat transfer coefficient of IC engine
​ Go Overall Heat Transfer Coefficient = 1/((1/Heat Transfer Coefficient on Gas Side)+(Thickness of Engine Wall/Thermal conductivity of material)+(1/Heat Transfer Coefficient on Coolant Side))
Rate of convection heat transfer between engine wall and coolant
​ Go Rate of Convection Heat Transfer = Convection Heat Transfer Coefficient*Surface Area of Engine Wall*(Engine Wall Surface Temperature-Temperature of Coolant)
Heat transfer across engine wall given overall heat transfer coefficient
​ Go Heat Transfer across Engine Wall = Overall Heat Transfer Coefficient*Surface Area of Engine Wall*(Gas side temperature-Coolant Side Temperature)
Inlet-Valve Mach Index
​ Go Mach Index = ((Cylinder Diameter/Inlet Valve Diameter)^2)*((Mean Piston Speed)/(Flow Coefficient*Sonic Velocity))
Brake Power given Mean Effective Pressure
​ Go Brake Power = (Brake Mean Effective Pressure*Stroke Length*Area of Cross Section*(Engine Speed))
Beale Number
​ Go Beale Number = Engine Power/(Average Gas Pressure*Piston Swept Volume*Engine Frequency)
Engine displacement given number of cylinders
​ Go Engine Displacement = Engine Bore*Engine Bore*Stroke Length*0.7854*Number of Cylinders
Indicated Thermal Efficiency given Indicated Power
​ Go Indicated Thermal Efficiency = ((Indicated Power)/(Mass of Fuel Supplied per Second*Calorific Value of Fuel))*100
Brake Thermal Efficiency given Brake Power
​ Go Brake Thermal Efficiency = (Brake Power/(Mass of Fuel Supplied per Second*Calorific Value of Fuel))*100
Rate of cooling of engine
​ Go Rate of Cooling = Constant for Cooling Rate*(Engine Temperature-Engine Surrounding Temperature)
Time taken for engine to cool
​ Go Time Required to Cool Engine = (Engine Temperature-Final Engine Temperature)/Rate of Cooling
Engine rpm
​ Go Engine RPM = (Speed of Vehicle*Gear Ratio of Transmission*336)/Tire Diameter
Kinetic Energy Stored in Flywheel of IC Engine
​ Go Kinetic Energy Stored in the Flywheel = (Flywheel Moment of Inertia*(Flywheel Angular Velocity^2))/2
Swept Volume
​ Go Swept Volume = (((pi/4)*Inner Diameter of Cylinder^2)*Stroke Length)
Indicated specific fuel consumption
​ Go Indicated Specific Fuel Consumption = Fuel Consumption in IC engine/Indicated Power
Indicated Thermal Efficiency given Relative Efficiency
​ Go Indicated Thermal Efficiency = (Relative Efficiency*Air Standard Efficiency)/100
Relative Efficiency
​ Go Relative Efficiency = (Indicated Thermal Efficiency/Air Standard Efficiency)*100
Brake specific fuel consumption
​ Go Brake Specific Fuel Consumption = Fuel Consumption in IC engine/Brake Power
Indicated Power given Mechanical Efficiency
​ Go Indicated Power = Brake Power/(Mechanical Efficiency/100)
Brake Power given Mechanical Efficiency
​ Go Brake Power = (Mechanical Efficiency/100)*Indicated Power
Mechanical Efficiency of IC engine
​ Go Mechanical Efficiency = (Brake Power/Indicated Power)*100
Specific Power Output
​ Go Specific Power Output = Brake Power/Area of Cross Section
Mean piston speed
​ Go Mean Piston Speed = 2*Stroke Length*Engine Speed
Friction Power
​ Go Friction Power = Indicated Power-Brake Power
Peak torque of engine
​ Go Peak Torque of Engine = Engine Displacement*1.25

21 Important Formulas of Engine Dynamics Calculators

Inlet-Valve Mach Index
​ Go Mach Index = ((Cylinder Diameter/Inlet Valve Diameter)^2)*((Mean Piston Speed)/(Flow Coefficient*Sonic Velocity))
Brake Power given Mean Effective Pressure
​ Go Brake Power = (Brake Mean Effective Pressure*Stroke Length*Area of Cross Section*(Engine Speed))
Beale Number
​ Go Beale Number = Engine Power/(Average Gas Pressure*Piston Swept Volume*Engine Frequency)
Engine displacement given number of cylinders
​ Go Engine Displacement = Engine Bore*Engine Bore*Stroke Length*0.7854*Number of Cylinders
Indicated Thermal Efficiency given Indicated Power
​ Go Indicated Thermal Efficiency = ((Indicated Power)/(Mass of Fuel Supplied per Second*Calorific Value of Fuel))*100
Brake Thermal Efficiency given Brake Power
​ Go Brake Thermal Efficiency = (Brake Power/(Mass of Fuel Supplied per Second*Calorific Value of Fuel))*100
Rate of cooling of engine
​ Go Rate of Cooling = Constant for Cooling Rate*(Engine Temperature-Engine Surrounding Temperature)
Time taken for engine to cool
​ Go Time Required to Cool Engine = (Engine Temperature-Final Engine Temperature)/Rate of Cooling
Engine rpm
​ Go Engine RPM = (Speed of Vehicle*Gear Ratio of Transmission*336)/Tire Diameter
Kinetic Energy Stored in Flywheel of IC Engine
​ Go Kinetic Energy Stored in the Flywheel = (Flywheel Moment of Inertia*(Flywheel Angular Velocity^2))/2
Swept Volume
​ Go Swept Volume = (((pi/4)*Inner Diameter of Cylinder^2)*Stroke Length)
Indicated specific fuel consumption
​ Go Indicated Specific Fuel Consumption = Fuel Consumption in IC engine/Indicated Power
Relative Efficiency
​ Go Relative Efficiency = (Indicated Thermal Efficiency/Air Standard Efficiency)*100
Brake specific fuel consumption
​ Go Brake Specific Fuel Consumption = Fuel Consumption in IC engine/Brake Power
Equivalence ratio
​ Go Equivalence Ratio = Actual Air Fuel Ratio/Stoichiometric Air Fuel Ratio
Indicated Power given Mechanical Efficiency
​ Go Indicated Power = Brake Power/(Mechanical Efficiency/100)
Brake Power given Mechanical Efficiency
​ Go Brake Power = (Mechanical Efficiency/100)*Indicated Power
Mechanical Efficiency of IC engine
​ Go Mechanical Efficiency = (Brake Power/Indicated Power)*100
Specific Power Output
​ Go Specific Power Output = Brake Power/Area of Cross Section
Mean piston speed
​ Go Mean Piston Speed = 2*Stroke Length*Engine Speed
Friction Power
​ Go Friction Power = Indicated Power-Brake Power

Brake specific fuel consumption Formula

Brake Specific Fuel Consumption = Fuel Consumption in IC engine/Brake Power
BSFC = f/BP

What is Brake Specific Fuel Consumption?

Brake Specific Fuel Consumption (BSFC) is a measure of the fuel efficiency of any prime mover that burns fuel and produces rotational, or shaft, power. It is typically used for comparing the efficiency of internal combustion engines with a shaft output. It is the rate of fuel consumption divided by the power (here, brake power) produced.

How to Calculate Brake specific fuel consumption?

Brake specific fuel consumption calculator uses Brake Specific Fuel Consumption = Fuel Consumption in IC engine/Brake Power to calculate 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 calculate Brake specific fuel consumption using this online calculator? To use this online calculator for Brake specific fuel consumption, enter Fuel Consumption in IC engine (ṁf) & Brake Power (BP) and hit the calculate button. Here is how the Brake specific fuel consumption calculation can be explained with given input values -> 21.20727 = 0.0009/550.

FAQ

What is 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 and is represented as BSFC = ṁf/BP or Brake Specific Fuel Consumption = Fuel Consumption in IC engine/Brake Power. Fuel Consumption in IC engine is the amount of fuel consumed by the internal combustion engine & Brake Power is the power available at the crankshaft.
How to calculate 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 is calculated using Brake Specific Fuel Consumption = Fuel Consumption in IC engine/Brake Power. To calculate Brake specific fuel consumption, you need Fuel Consumption in IC engine (ṁf) & Brake Power (BP). With our tool, you need to enter the respective value for Fuel Consumption in IC engine & Brake Power and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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