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Min-gwang Seok, Junhee Kim, Yonghwan Lee, Yoonkap Kim, Yangdo Kim and Soo Min Kim
In the photovoltaic industry, there is great interest in increasing the power output of solar cells to achieve grid parity and to promote the widespread use of solar cells. However, despite many developments, a phenomenon called light-induced degradation...
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Soo-Min Kim, Dae W. Kim and Moon K. Kwak
The membrane-type air spring can be used to suppress lateral vibration of a vibration isolation table. However, compared to voice coil actuators, pneumatic actuators are difficult to use for precise vibration control, because servo valves have nonlinear ...
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Hyun Gyu Hwang, Min Seo Kim, Soo Min Shin and Cher Won Hwang
The biosand filter (BSF) is widely applied in developing counties as an appropriate technology-based product for supplying ?safe? water. Biosand filters exhibit relatively high purifying efficiency because of the schmutzdecke (biofilm) embedded in them. ...
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