Fig. 1. Preliminary model and simplified model of slab house in slab amplifier

Fig. 2. Total particles flowing out of slab cassette under different numbers of grids

Fig. 3. Meshing of slab cassette model

Fig. 4. Schematic of hole arrangements on the baffle

Fig. 5. Circular hole arrangements on the baffle

Fig. 6. Schematic of aerosol particle concentration at different purging time

Fig. 7. Purging curves of baffles with different hole

Fig. 8. Streamline of different hole opening ways in slab cassette space

Fig. 9. Velocities and streamlines at different cross sections of slab cassette (Case2)

Fig. 10. Velocities and streamlines at different cross sections of slab cassette (Case3)

Fig. 11. Velocities and streamlines at different cross sections of slab cassette (Case4)

Fig. 12. Concentration change of contaminant particles with time