PARTICLE IMAGE VELOCIMETRY (PIV) POROUS MEDIA FLOW SPRAY ATOMIZAÇÃO WET SCRUBBER RESERVOIR SIMULATION CAE ESCOAMENTO MULTIFÁSICO MULTIPHASE FLOW MESH GENERATION HIDROGÊNIO MODELAGEM EM MULTI-ESCALA MODEL VALIDATION MACHINE LEARNING SCIENTIFIC COMPUTING MULTIPHASE FLOW MODELING FLUID MECHANICS PHYSICS-INFORMED NEURAL NETWORKS (PINNS) SECONDARY ATOMIZATION FINITE ELEMENT METHOD TURBULENCE MODELAGEM