![]() Here we consider the average value of the velocity because due to frictional force velocity is less near the wall of the pipe than at the middle portion.Ī=Cross sectional area occupied by the moving fluid m 2 V=Volume of fluid in litre or cubic metre It is denoted by Q orĪ is cross sectional area of the pipe in m 2 and d is the distance traveled by the fluid in m Units are litre/minute, cubic centimetres per minute etc. Volume Flow Rate of a fluid (gas and liquid)is the volume of fluid passing a given point within a given period of time. To calculate Volume Flow Rate of a fluid using the amount of fluid passing through (in cubic meter)a passage within a particular time period (in second), we can use the following formula: Volume Flow Rate is a common term associated with flow measurement especially in case of liquids and gases. How to calculate Volume Flow Rate from Volume and Time? In case of very small flow rate(for example fluid inside a syringe), ml/s is preferred and for very large volume flow rate(for example flow of water in a river), it is expressed in m 3/h. The unit of Volume Flow Rate is m 3/s(cubic meters/second), m 3/h(cubic meter/hour), l/s (litre/second), l/min.(litre/minute),ml/s(millilitre/second) etc. Where A= Cross sectional area of a section in m 2Īnd v=Average velocity of the fluid throughout the section in m/s. Volumetric Flow Rate is the volume of a fluid flows through a tube, duct, channel or other this type of structure per unit time. Calculation of Volume Flow Rate from different entities play a major role. The movement of fluids through a pipe in an engineering plant has great importance especially to ensure the correct proportion of different chemicals for a reaction. “How to calculate Volume Flow Rate of a fluid?” is one of the most frequently faced question in an chemical industry for the smooth, safe and cost effective running of a process.
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