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Bon-Ho Gu, Seung-Buhm Woo, Jae-Il Kwon, Sung-Hwan Park and Nam-Hoon Kim
This study presents a comprehensive analysis of contaminant transport in estuarine environments, focusing on the impact of tidal creeks and flats. The research employs advanced hydrodynamic models with irregular grid systems and conducts a detailed resid...
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Jae-Hyeon Park, Sung-Woo Park, Jong-Pil Kim and Hyun-Ung Oh
A novel passive vibration-damping device is proposed and investigated for a large deployable solar array. One strategy for achieving high damping in a solar panel is using a yoke structure comprising a hyperelastic shape memory alloy and multiple viscous...
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Gi-Won Shin, Jae-Hyeon Kim, Sun-Hee Lee, In-Young Bang, Ji-Hwan Kim, Yeon-Soo Park, Hee-Tae Kwon, Woo-Jae Kim and Gi-Ching Kwon
Upon reentering the Earth?s atmosphere from space, a reentry vehicle becomes enshrouded in an ionization layer. This layer is known as the reentry plasma sheath and is caused by aerodynamic heating. Owing to the oscillation of charged particles in the re...
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Jae-Won Yoo, Yong-Woo Lee, Mi-Ra Park, Chang-Soo Kim, Sungtae Kim, Chae-Lin Lee, Su-Young Jeong, Dhongil Lim and Sung-Yong Oh
An ecological index of macrobenthic communities is an important tool for assessing the biological quality of habitats and ecosystems. We tested the performance of the inverse function of the Shannon?Wiener evenness proportion (ISEP) with data from the en...
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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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Min-Jae Oh, Myung-Il Roh, Sung-Woo Park, Do-Hyun Chun, Myeong-Jo Son and Jeong-Youl Lee
The shipping company or the operator determines the mode of operation of a ship. In the case of container ships, there may be various operating patterns employed to arrive at the destination within the stipulated time. In addition, depending on the influ...
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Jun-Sik Yoon, Jong-Min Kim, Han-Jae Chung, You-Jin Jeong, Gwang-Woo Jeong, Ilwoo Park, Gwang-Won Kim and Chang-Hyun Oh
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Woo-Jae Seong, Sang-Cheol Park and Hee-Keun Lee
We propose an analytical model for the fast prediction of angular distortion that is caused by practical multilayer (or multi-pass) butt welding under constraints. To this end, the relationships between angular distortion, bead size, thickness, and degre...
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Young Kwang Mo, Jae Kyung Shim, Seung Woo Kwak, Min Seok Jo and Ho Sung Park
Type synthesis of two-degrees-of-freedom (DOF) planar mechanisms has been carried out using graph theory to determine the possible kinematic structures of variable compression ratio (VCR) engine mechanisms with two to three independent loops, and has res...
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