Research Area > External Biological Flows and Flow Control

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Autorotation flight of maple samaras

Post Image Some winged seeds exhibit autorotation flight during their descent to migrate far away from the parent trees by oncoming wind. In this study, several prominent features of the autorotation flight were investigated experimentally. Velocity ...   내용 보기

Flow control of turbulent jet flow using various devices

Post Image Jet flows have many practical applications. There are various flow control techniques. We have investigated the turbulence reduction in mixing layer of a plane jet using a thin wire, jet propagation through various mesh screens and vortex str...   내용 보기

PIV measurements of ventilation flow inside a real passenger car

Post Image Nowadays people spend lots of time in their car. With increasing living standards, there is a trend to pursue for a comport environment inside the car. However, since most previous studies were performed using CFD or scale-down models, the ve...   내용 보기

Wind tunnel experiments on dynamic response of plants to strong wind

Post Image Plants produce not only energy and food (sugar) through photosynthesis, but also provide oxygen to earth. The wind plays a key role in meteorological events. It has a major influence in the growth of plants and their reproduction by spreadi...   내용 보기

Wind engineering study on sheltering effect of a windbreak forest

Post Image Windbreak forest has been used for centuries for various purposes including reduction of wind speed, control of heat and moisture transfer and pollutant diffusion, improvement of climate and environment, or increase of crop yields. These functi...   내용 보기

Autorotation of Maple Seeds

Post Image Many samaras or winged seeds such as maple seeds make autorotational flight during their fall. Autorotation is the result of a delicate equilibrium between gravity, inertia and aerodynamic forces. It is complex interrelated many parameters phen...   내용 보기

Autorotation of maple samaras

Post Image Some winged seeds exhibit autorotation flight during their descent to migrate far away from the parent trees by oncoming wind. In this study, several prominent features of the autorotation flight of maple samaras were investigated experimenta...   내용 보기