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## Main Question or Discussion Point

Hi all, new to the forum, but I was wondering if anyone could help me as i'm going round in circles. After completeing an air leak survey and noting the hole diameter, dB reading of the leak and knowing the pressure of the system (bar) how can I calculate the leak rate CFM and the Energy wasted (kW). Or is there some kind of standard/approximate table I can use.

Thanks in advance

Thanks in advance