Pressure loss characteristics of orifice and perforated plates

A study was conducted on the pressure loss characteristics of square-edged orifice and perforated plates. Tests were carried out to determine the pressure loss coefficient for thin plates in a square duct for a range of Reynolds numbers. Computational fluid dynamics (CFD) was used to predict the loss coefficient, and the result was compared with experimental measurement. The effect of plate thickness on the loss coefficient for the orifice plate was studied using CFD.