KIM, Daehoon1, BAEK, Hwanjo
1, and KIM, Gyoungman
2, (1) Energy and Resource Engineering, Kangwon National University, Chuncheon Kangwon, 200-701, South Korea, ggadae@yahoo.co.kr, (2) Department of Energy and Resource Engineering, Kangwon National University, KOREA, Department of Energy and Resource Engineering Kangwon National University, Chuncheon Kangwon, KOREA, Chuncheon Kangwon, 200-701, South Korea