Effective vs Actual Discharge Area

Pressure Relief: Effective versus Actual Discharge Area

Often in pressure relief sizing there is considerable confusion regarding the difference between the effective discharge capacity and the actual discharge capacity. This 6 min video demonstrates the difference between these flow rates and gives a method for calculating both. 

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About: Brett Mahar is Owner and Director of Process Safety Verification. His passionate about producing the highest quality training content for process safety and over pressure protection. He is the developer and presenter of the online training course “How Teams Can Avert High Potential Hazardous Incidents (Over Pressure Protection)”. Brett sends out regular videos looking at different aspects of over pressure protections, if you would like to subscribe then click here