Author/Authors :
Kuo، Jui-Chao نويسنده National Cheng-Kung University Kuo, Jui-Chao , Kuo، Teng-Yi نويسنده National Cheng-Kung University Kuo, Teng-Yi , Wu، Cheng-Han نويسنده National Cheng-Kung University Wu, Cheng-Han , Tung، Shih-Heng نويسنده National University of Kaohsiung Tung, Shih-Heng , Shih ، MIng-Hsiang نويسنده National Chi Nan University Shih , MIng-Hsiang , Sung، Wen-Pei نويسنده National Chin-Yi University of Technology Sung, Wen-Pei , Hwang، Weng-Sing نويسنده ,
Abstract :
In this study digital image correlation (DIC) technique combined with a high speed video system was used to predict movement of particles in a water model. Comparing with Particle-image velocimetry (PIV) technique, it provides a low cost alternative approach to visualize flow fields and was successfully employed to predict the movement of particles in a water model at different submergence depth using gas injection. As the submergence depth increases, the number of the exposed eye is reduced accordingly. At 26.4 cm submergence depth, an exposed eye was found at 1/3 of the submergence depth, whereas two exposed eyes were observed at 1/2 depth and near the bottom wall at 24 cm submergence depth.
