![]() Advantages of Mass Flow Versus Volumetric Flow Some common examples include: Cubic feet per minute (cfm), and cubic centimeters per minute (ccm). Volumetric air flow rate has many units of measure. Gas volumetric flow rate or volume flow rate, in contrast, is the volume of fluid which passes per unit time. ![]() This allows more common industrial measurement terms to easily be converted to mass flow. ![]() In both cases, “Standard” refers to standard reference conditions for temperature and pressure. Units are calculated in standard liters per minute (slpm) or standard cubic centimeters per minute (sccm) in SI units. The most common English units include standard cubic feet per minute (scfm). Gas mass flow rate is the actual mass of a gas which travels through a measurement instrument per unit of time. While mass flow and volumetric flow look similar on the outside, Sierra Instruments’ Chief Engineer, John Smitherman, explains the vast differences between mass flow and volumetric flow metering in the latest Minute Flow Tip Video. Simply put, the mass flow rate is the WEIGHT of the sample, while the volumetric flow rate is the SIZE of the sample. With all that said, what flow metering technology should you use to get the highest accuracy, repeatability, and lowest cost of ownership? To answer this question, engineers must first decide if they want a flow meter technology that can deliver gas mass flow rate or simply gas volume flow rate measurement. When engineers and systems integrators need to measure gas flow rate in an industrial process or scientific research, there are many types of technologies to choose from. This makes selecting the right gas flow meter a challenge. In addition to technology, engineers must consider many other parameters: price for value, cost of ownership, size of footprint, application flexibility, calibration method, accuracy with changing application conditions, and repeatability.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |