Cubic feet per minute
From Wikipedia, the free encyclopedia
Cubic feet per minute (CFM) is a non-SI unit of measurement of gasflow (most often airflow) that indicates how many cubic feet of gas (most often air) pass by a stationary point in one minute. In other words, it is a unit for measuring the rate of flow of a gas or air volume into or out of a space.
1 CFM equals approximately 0.47 liter per second (L/s).
The CFM unit, along with its SI counterparts, is used in:
- Industrial hygiene
- ventilation engineering
The CFM unit was also formerly used in the engineering of carburetors, and is still used in fields where carburetors are still in service, such as the classic car and vintage aircraft hobbies.
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