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The standard liter per minute (SLM or SLPM) is a unit of (molar or) mass flow rate of a gas at standard conditions for temperature and pressure (STP), which is most commonly practiced in the United States, whereas European practice revolves around the normal litre per minute (NLPM). [1]
litre-atmosphere per minute: L·atm/min ≡ 1 atm × 1 L/min = 1.688 75 W: litre-atmosphere per second: L·atm/s ≡ 1 atm × 1 L/s = 101.325 W: lusec: lusec ≡ 1 L·μmHg/s [16] ≈ 1.333 × 10 −4 W: poncelet: p ≡ 100 m⋅kgf/s = 980.665 W: square foot equivalent direct radiation: sq ft EDR ≡ 240 BTU IT /h ≈ 70.337 057 W: ton of air ...
The IEEE symbol for the cubic foot per minute is ft 3 /min. [1] The following abbreviations are used: cu ft/min; cufm; cfm or CFM; cfpm or CFPM; Cubic feet per minute is used to measure the amount of air that is being delivered, and is a common metric used for carburetors, [3] pneumatic tools, and air-compressor systems. [4]
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.
Standard cubic centimeters per minute (SCCM) is a unit used to quantify the flow rate of a fluid. 1 SCCM is identical to 1 cm³ STP /min. Another expression of it would be Nml/min.
Gases are compressible, which means that a figure in cubic feet per minute cannot necessarily be compared with another figure when it comes the mass of the gas. To further confuse the issue, a centrifugal fan is a constant CFM device or a constant volume device. This means that, provided the fan speed remains constant, a centrifugal fan will ...
The recipe, the user explains, only requires three things — a two-liter bottle of Dr Pepper, a fresh lemon and a slow cooker. ... Wildfires latest: 2 people killed and over 1,000 structures ...
Where airflow in Cubic Feet per Minute [CFM] is calculated using airflow = √ 13.35 × D 2 / vacuum. Where D is the diameter of the orifices. [5] [further explanation needed] CFM is always given statistically at its maximum which is at a 2-inch (51 mm) opening. Waterlift, on the other hand, is always given at its maximum: a 0-inch opening.