Engine - Combustion Air Flow

Combustion air mass flow from engine power and excess-air ratio - basis for T/C + intake design.

Combustion airAir flowEngine

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This calculator requires JavaScript to compute its result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

\dot m_{air} = 14.5 \cdot \lambda \cdot \dot m_{fuel}

Symbol	Meaning	Unit
$λ$	Excess-air ratio

Source: Heywood - IC Engines 2/e

Combustion air mass flow from engine power and excess-air ratio - basis for T/C + intake design.