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Brake specific power Formula

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Brake specific power is defined as the power used to do work on the piston per cylinder per cycle. Check FAQs
Bsp=W⋅bAp
Bsp - Brake specific power?W⋅b - Brake power per cylinder per stroke?Ap - Area of Piston?

Brake specific power Example

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With units
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Here is how the Brake specific power equation looks like with Values.

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

Here is how the Brake specific power equation looks like.

80000Edit=4000Edit0.05Edit
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HomeIcon Home » Category Physics » Category Mechanical » Category IC Engine » fx Brake specific power

Brake specific power Solution

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

FIRST Step Consider the formula
Bsp=W⋅bAp
Next Step Substitute values of Variables
∴ Bsp=4000W0.05m²
Next Step Prepare to Evaluate
∴ Bsp=40000.05
LAST Step Evaluate
∴Bsp=80000W

Brake specific power Formula Elements

Variables
Brake specific power
Brake specific power is defined as the power used to do work on the piston per cylinder per cycle.
Symbol: Bsp
Measurement: PowerUnit: W
Note: Value should be greater than 0.
Formulas to find Brake specific powerOpen Variable
Brake power per cylinder per stroke
Brake power per cylinder per stroke is defined as the partial brake power utilized to move the piston during any stroke considering single cylinder.
Symbol: W⋅b
Measurement: PowerUnit: W
Note: Value should be greater than 0.
Formulas to find Brake power per cylinder per strokeOpen Variable
Area of Piston
Area of piston is the value of area of the piston in a piston pump.
Symbol: Ap
Measurement: AreaUnit: m²
Note: Value should be greater than 0.
Formulas to find Area of PistonOpen Variable

Other formulas in Power and Efficiency category

​Go Brake Power given Mean Effective Pressure
BP=(Pmb⋅L⋅A⋅(N))
​Go Mechanical Efficiency of IC engine
ηm=(BPIP)⋅100
​Go Brake Power given Mechanical Efficiency
BP=(ηm100)⋅IP
​Go Indicated Power given Mechanical Efficiency
IP=BPηm100

How to Evaluate Brake specific power?

Brake specific power evaluator uses Brake specific power = Brake power per cylinder per stroke/Area of Piston to evaluate the Brake specific power, The Brake specific power formula is defined as the power utilized to do work on the piston per cylinder per stroke and is specific to that piston in the engine. Brake specific power is denoted by Bsp symbol.

How to evaluate Brake specific power using this online evaluator? To use this online evaluator for Brake specific power, enter Brake power per cylinder per stroke (W⋅b) & Area of Piston (Ap) and hit the calculate button.

FAQs on Brake specific power

What is the formula to find Brake specific power?
The formula of Brake specific power is expressed as Brake specific power = Brake power per cylinder per stroke/Area of Piston. Here is an example- 80000 = 4000/0.05.
How to calculate Brake specific power?
With Brake power per cylinder per stroke (W⋅b) & Area of Piston (Ap) we can find Brake specific power using the formula - Brake specific power = Brake power per cylinder per stroke/Area of Piston.
Can the Brake specific power be negative?
No, the Brake specific power, measured in Power cannot be negative.
Which unit is used to measure Brake specific power?
Brake specific power is usually measured using the Watt[W] for Power. Kilowatt[W], Milliwatt[W], Microwatt[W] are the few other units in which Brake specific power can be measured.
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