you use the equation m=pv where m is the mass flow rate ,p is the density, v is the volumetric flow rate
Orfice meters,venturi meters, rotameters, and displacement meters are used extensively in industrial operations for measuring the rate of liquid flow.
in SI units it is m3 / second Also it can be in litres / second (LPS) Gallons per minute (GPM) is also another way of denoting it
Mass flow rate means how much mass flows in certain time. Therefore the unit are: mass per unit time for example: kg/hour lb/min ton/year ton/second
The term 'flow rate' means the amount of fluid that flows in a given time
Adobe After Effects 7 - How to Use the Flow Chart Option
How to Create User Flows from Facebook and Twitter
Adobe InDesign CS3 Essentials - How to Use Auto-Flowing Text Stories
HTC Touch HD Review