
Introduction
Hot Research Topics
- Onshore and Offshore Wind Resource and Energy Production Assessments using RIAM-COMPACT CFD Model
We study air flow over and around buildings, minor landforms, also over complex terrain and urban canopy by using wind tunnel experiments and carrying out various field works to establish effective method of predicting micro and local wind conditions. Numerical approach which has been rapidly advancing in recent years in fluid dynamics is also one of our strong tools to attack the problems.
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- Development of Wind Energy and New Wind Turbine System
To contribute to increase the share of clean renewable energy sources, we have been developing a new effective wind power concentration system. This technology is named "Wind Lens". The Wind Lens can improve output power of wind turbine by a factor of 2 to 3 compared to conventional wind turbine that has the same rotor radius. This research is also a part of new generation of offshore power plant.
Part.1 Wind Lens (see more >>)
Part.2 Multi Rotor Turbine (see more >>)
Part.3 Floating Energy Farm (see more >>)
Part.4 Wind Solar Tower (see more >>)
- Turbulence Structure and Transport Characteristics of Atmospheric Boundary Layer
We are trying to find out characteristics of exchange and transport processes of momentum, heat and constituent occurring inside the turbulent atmospheric boundary layer. A large number of numerical simulations are carried out as much as physical simulations such as large wind tunnel experiment.
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- Aerodynamic Characteristics and Flutter Phenomena of Bluff Bodies
Behavior of air flow around a body in non-streamlined shape (bluff body) placed in the atmospheric boundary layer is very interesting. We aim for establishing a general explanation for flow around the bluff bodies. Also, a body in a flow often vibrates. Sometimes the amplitude of the oscillation increases naturally and causes serious damages. This is called "flutter". We study about the mechanism and effective prevention of the flutter.
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(c) 2011 Kyushu University RIAM Division of Renewable Energy Dynamics Wind Engineering Section