Fig. 1 Control variables related to the pressure loss coefficient for the case of two plates in series More about this image found in Control variables related to the pressure loss coefficient for the case of ...

Fig. 2 Geometries of the simulated perforated plates More about this image found in Geometries of the simulated perforated plates

Fig. 3 Alignment of holes of two consecutive plates with 45 deg relative rotation More about this image found in Alignment of holes of two consecutive plates with 45 deg relative rotation

Fig. 4 Scheme (not in scale) of the numerical domain of two-stage perforated plate simulations More about this image found in Scheme (not in scale) of the numerical domain of two-stage perforated plate...

Fig. 5 Computational mesh for two “D” type perforated plates placed at distance L  = ¼ D More about this image found in Computational mesh for two “D” type perforated plates placed at distance L...

Fig. 6 ( a ) Relation between equivalent porosity and relative rotation for plates “C”. ( b ) Pressure loss coefficient of two-stage “C” perforated plates with different equivalent porosity. Red line indicates 2 E u SP . Green line indicates Eu SP . More about this image found in ( a ) Relation between equivalent porosity and relative rotation for plates...