Power from BMEP, displacement, and speed

Calculates brake mean effective pressure from torque and engine displacement for a four-stroke model.

Solves torque from BMEP and engine displacement for a simplified four-stroke model.

Estimates theoretical intake air volume flow from engine displacement, speed, and volumetric efficiency.

Solves brake-specific fuel consumption from power and fuel mass flow.

Calculates fuel mass flow from power and brake-specific fuel consumption.

Calculates mean piston speed from engine stroke and rotational speed.