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Jung-Ryel Choi, Jang Hyun Sung, Dong-Ho Kang, Kyung-Su Choo and Byung-Sik Kim
Most of Korea?s precipitation is concentrated between June and September, and 65% of the country?s territory is covered with mountains, which means there is less time for rainfall to reach the surface. These hydrological characteristics pose challenges i...
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Min Young Yoo, Jung Heon Lee, Joo-Ho Choi, Jae Sung Huh and Woosuk Sung
This paper proposes a framework for accurately estimating the state-of-charge (SOC) and current sensor bias, with the aim of integrating it into urban air mobility (UAM) with hybrid propulsion. Considering the heightened safety concerns in an airborne en...
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Eui Hyeok Yoon, Jang Hyun Sung, Byung-Sik Kim, Kee-Won Seong, Jung-Ryel Choi and Young-Ho Seo
Representative Concentration Pathway (RCP) scenarios have been used for various studies in the field of climate change. In this regard, the Shared Socioeconomic Pathway (SSP) scenario has been newly introduced to examine climate change impacts, but relev...
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Ho Jin Sung, Sean Hay Kim and Seung Yeoun Choi
School retrofitting should aim to not only improve its energy performance, but also maintain a good IAQ. An optimal combination of retrofitting measures must be selected by considering the transient state changes of the outdoor and built environments. Al...
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Joon-Hwan Bae, Hyun-Duck Kwak, Sung-Jae Heo, Chang-Ho Choi and Jong-Soo Choi
Floating ring seals are widely used as a leakage control solution for turbomachines because they effectively operate with small clearances between the shaft and seal. The oxidizer pump of the 7 tonf liquid engine in the Korea Space Launch Vehicle II (KSL...
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Woo-Seok Kwon, Quang Dao Vuong, Jae-Hyuk Choi, Jae-ung Lee, Ji-woong Lee, Sung Hwan Yoon, Antony John Nyongesa, Min-Ho Park, Seung-Kwon Yang and Won-Ju Lee
This research presents the transient torsional vibration due to cutting action of a propeller rope cutter. Therefore, a method to determine the safety diameter of connecting bolts was described regarding the fatigue strength of the propulsion system. The...
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Sung-Jo Yun, Hyo-Gon Kim, Jung-Woo Park, Hyo-Jun Lee, Jong-Chan Kim, Jeong-Hwan Hwang, Young-Ho Choi, Sin-Je Lee, Jae-Kwan Ryu, Jin-Ho Suh and Joon-Goo Park
Owing to environmental constraints, it is challenging to stably conduct various missions or surveys of the seabed for a prolonged period in the marine environment. To address this challenge, several devices and technologies are being developed. In this s...
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Hyo-Gon Kim, Sung-Jo Yun, Young-Ho Choi, Jae-Kwan Ryu and Jin-Ho Suh
Recently, unmanned surface vehicles (USV) are being actively developed. For USVs to be put to practical use, it is necessary to secure safety by preventing collisions with general ships. To this end, USVs must avoid opposing vessels based on internationa...
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Sung-Ho Hur, Chaeyoung Lee, Hong-Seung Roh, Sebeom Park and Yosoon Choi
In this study, we have designed a new intermodal automated container transport system (ACTS) via a roll-on/roll-off method that connects a logistics hub between a port and inland. Further, we have presented the development of a simulation model and the r...
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Junsang Park, Jin-kook Kim, Sunghoon Jung, Yeongjoon Gil, Jong-Il Choi and Ho Sung Son
Accurate electrocardiogram (ECG) interpretation is crucial in the clinical ECG workflow because it is most likely associated with a disease that can cause major problems in the body. In this study, we proposed an ECG-signal multi-classification model usi...
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