Abstract
Biofouling on ship's hull causes increase of frictional resistance and fuel cost. In addition the fouling on ship's hull may cause cross-border transfer of alien organism. To avoid such consequences, simple and low cost inspection technique to quantify the fouling is needed. We considered detection method biofilm formation by image analysis. The detection method is applicable for transparent biofilm by using transmitted light in the film. And, we observed growth process of biofilm by an open channel. It was shown that adhesion of biofilm is affected by flow field around the film.
