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Jiwun Yoon, Sang-Yong Lee and Ji-Yong Lee
Humans share a similar body structure, but each individual possesses unique characteristics, which we define as one?s body type. Various classification methods have been devised to understand and assess these body types. Recent research has applied artif...
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Jungho Lee, Ingyu Lee, Seongphil Woo, Yeoungmin Han and Youngbin Yoon
The spray and combustion characteristics of a gas-centered swirl coaxial (GCSC) injector used in oxidizer-rich staged combustion cycle engines were analyzed. The study focused on varying the recess ratio, presence of gas swirl, and swirl direction to imp...
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Juhyeong Kim, Junho Lee, Hwajeong Ryu, Yoon Hwa, Aneel Pervez, Taeyong Choi, Suyong Nam and Yoonkook Son
In this study, we investigate the electrochemical properties of a nickel oxide-carbon (NiO/C) material, synthesized in the form of highly porous carbon nanofibers through the electrospinning of polymers such as polyacrylonitrile (PAN) and polystyrene (PS...
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Sung-Yoon Ahn, Mira Kim, Hye-Won Jeong, Wonsuck Yoon, Iel-Soo Bang and Sang-Woong Lee
Technological advancements have shifted human living and working environments from outdoor to indoor. Although indoor spaces offer protection from unfavorable weather conditions, they also present new health challenges. Stale, humid, and warm indoor air ...
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Hyungbeen Lee, Euna Yoon, Seungjong Lee and Jeonghoon Lee
This study was conducted to investigate the acoustic characteristics of largehead hairtails (Trichiurus japonicus) in the Southern Sea of South Korea from April 2022, using 18, 38, 70, 120, and 200 kHz split-beam echosounders. At two stations, juvenile (...
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Seunghyun Lee, Jiho Lee, Jae-Min Lee, Hong-Woo Chun and Janghyeok Yoon
Social issues refer to topics that occur and become increasingly focused in various areas of society. Because of the evolutionary pattern of issues, detecting social issues requires monitoring various stories formed by members of society over time. Vario...
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Ro-Bin Lee, Young Seung Lee, Hyosun Kweon, Hyun Kyung Kim and Yoon Sang Kim
In this paper, we propose an interactive mobile gait training system that allows trainees to interact actively with its content (the gait training content). The proposed system is a new type of gait training one combining a mobile robot with virtual real...
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Geunchang Park, Wooseok Oh, Euna Yoon, Hyoungbeen Lee, Sunyoung Oh, Sara Lee, Chang keun Lee, Jong Seong Khim and Kyounghoon Lee
In this study, we identified the echo signals of anchovies on echograms using the dB-difference method; additionally, the daytime and nighttime distribution characteristics of anchovies were determined. Using the difference in frequency characteristics o...
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Yanfei Li, Piljae Im, Seungjae Lee, Yeonjin Bae, Yeobeom Yoon and Sangkeun Lee
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Seongphil Woo, Jungho Lee, Ingyu Lee, Seunghan Kim, Yeoungmin Han and Youngbin Yoon
The momentum flux ratio (MFR) significantly affects the mixing characteristics and combustion efficiency of propellants in rocket engine injectors. The spray characteristics of three gas-centered swirl-coaxial injectors used in a full-scale combustion te...
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