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Actual cubic feet per minute (ACFM) is a unit of volumetric flow. It is commonly used by manufacturers of blowers and compressors. [1] This is the actual gas delivery with reference to inlet conditions, whereas cubic foot per minute (CFM) is an unqualified term and should only be used in general and never accepted as a specific definition without explanation.
Actual cubic foot per minute (ACFM) is the volume of gas flowing anywhere in a system, taking into account its temperature and pressure. If the system were moving a gas at exactly the "standard" condition, then ACFM would equal SCFM. This usually is not the case as the most important change between these two definitions is the pressure.
Where P is the power in airwatts, F is the rate per minute (denoted cu ft/min or CFM) and S is the suction capacity expressed as a pressure in inches of water. Some manufacturers choose to use the fraction 1 ⁄ 8.5 rather than the ASTM decimal, leading to a less than 0.25% variation in their calculations.
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An AC motor is an electric motor driven by an alternating current (AC). The AC motor commonly consists of two basic parts, an outside stator having coils supplied with alternating current to produce a rotating magnetic field , and an inside rotor attached to the output shaft producing a second rotating magnetic field.
Actual Cubic Feet per Minute (ACFM) is the volume of gas flowing anywhere in a system, independent of its temperature and pressure. If the system were moving air at exactly the "standard" condition, then ACFM would equal SCFM. Unfortunately, this usually is not the case as the most important change between these two definitions is the pressure.
The BMW D 530 and D 636 became the Mercruiser 530 D-TA and 636 D-TA. Mercury later changed the designations to D183 and D219 TURBO AC. Mercury continued where BMW Marine had left off, improving on these VM based engines. In the early 1990s they offered a larger 4.2-litre diesel designated the D254 Turbo AC.
The Brunswick Boat Group is an American pleasure boat manufacturer. Headquartered in Knoxville, Tennessee , United States , it is the largest maker of such craft in the world. Net sales were US$ 1.7 billion in 2008, [ 2 ] and US$ 1.0 billion in 2012.