mass air flow


Also found in: Acronyms.

mass air flow

The amount of air (by weight) flowing through an engine.
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References in periodicals archive ?
As the pressure and temperature of the compressed air changed, the volumetric flow meters could not adjust for the change in mass air flow.
A building envelope air tightness model can then be built on the basis of the following generic equation that allows mass air flows to be positive or negative, depending on the air flow direction:
The engines also yield improved combustion and lower fuel consumption through a closed-loop electronic fuel injection system, electronic ignition, automotive-type oxygen and mass air flow sensors and a three-way catalytic muffler.
A Mass Air Flow (MAF) sensor monitors the temperature and weight of air entering your engine.
Fuel Consumed (light-duty vehicles with Mass Air Flow (MAF) Sensors)