In flight mechanics and aircraft propulsion, the term “power stroke” is not commonly used to describe the fuel consumption process. Instead, fuel consumption is typically analyzed over the entire operation of the engine rather than isolated power strokes.
The mass of fuel taken in power stroke =Vs*(density/air fuel ratio AFR)
- Vs: Swept volume
- Density: Density refers to the air density, which is the mass of air per unit volume. In flight mechanics, air density is influenced by factors such as altitude, temperature, and atmospheric pressure.
- Air-fuel ratio: The air-fuel ratio is the ratio of the mass of air to the mass of fuel in a combustion process. It is an important parameter in engine performance, and the specific air-fuel ratio used depends on the type of engine (e.g., gas turbine, piston engine) and the desired performance characteristics.
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