Abstract
To solve the global warming problem, one of the environmental ones presented all over the world. we need to evaluate accurately the quantitative and qualitative characteristics in the global circulation process of the issued gas, such as CO2. However, there is little basic information about hydrodynamic relationships between air and water at the water sphere in the earth. As we reveal the gas transport phenomenon across the air-water interface, we find it very important to investigate the mutual turbulent structures in air/water phase of the wavy interface. Therefore in this study, we examined the instantaneous vortex motions in the air/water interface instantaneously, by making use of Particle-Image Velocimetry (PIV) which enables us to measure the simultaneous velocity components at all points in laser-light sheet (LLS), and analyzed turbulent structures using phase-averaged method. This study inspired us the idea that the effect of both water disturbance and air entrainment will be superior to the one of turbulence in terms of gas transfer mechanism on the flow with breaking wave.
