Effect of Lens Aperture for Analysis of Bubble Image Size Microbubble Generator Aeration System

Abstract

Abstract Investigates Microbubble characterization is an essential component of any experimental investigation of new microbubble generator design. The use of microbubble generators as aeration systems often experiences blockages. That is caused by the broad cross-section of nozzles and air holes with small diameters. The microbubble generator was redesigned by increasing the cross-sectional area and diameter of the air hole. The method of investigating the bubble process uses image capture with three aperture speeds of the lens of 1/125f, 1/160f, and 1/200f with a combined airflow rate of 0.5 Lpm, 1.5 Lpm, and 2.5 Lpm. The result was characterized with multiple lens apertures with 1/160f bubble results ranging from 5.4 - 94.3 μm at all airflow rates.

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