IEC 60534-8-3:2010 pdf – Industrial-process control valves – Part 8-3: Noise considerations- Control valve aerodynamic noise prediction method

IEC 60534-8-3:2010 pdf – Industrial-process control valves – Part 8-3: Noise considerations- Control valve aerodynamic noise prediction method. The mechanical stream power as well as acouslical efficiency factors are calculated for v arious flow regimes. These acoustical efficiency factors glv...