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Seong Tak Woo, Cheol Woo Park, Ji Hyun Sung and Cheol-Min Park
The most common screening techniques to diagnose a patient?s illness are blood collection and intravenous procedures. To find a collection or injection site, conventional blood collection support tools, such as latex tubing and buckle-type tourniquets, a...
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Deahoon Park, Min Cheol Kim, Minje Kim, Pangun Park and Junghyo Nah
In this work, we report on a flexible triboelectric generator (TEG) with a multilayer polymer structure, consisting of a poly(vinylidene fluoride-co-trifluoroethylene) (PVDF-TrFE) layer sandwiched by polydimethylsiloxane (PDMS) layers for the performance...
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Thanh Tien Dao, Thi Kim Loan Au, Soo Hyung Park and Hoon Cheol Park
Many previous studies have shown that wing corrugation of an insect wing is only structurally beneficial in enhancing the wing?s bending stiffness and does not much help to improve the aerodynamic performance of flapping wings. This study uses two-dimens...
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Won Bin Park, Young-Mi Park and Keum Cheol Hwang
In this letter, an electrically small Spidron fractal loop antenna operating in the VHF band is proposed. The ferrite material, which consists of a nickel-zinc combination, is loaded into inside of the loop antenna to increase the gain of the antenna in ...
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Le Duc Quyen, Young-Gyu Park, In-cheol Lee and Jun Myoung Choi
Microplastics, ubiquitous in our environment, are significantly impacted by the hydrodynamic conditions around them. This study utilizes CFD to explore how various breaker types influence the dispersion and accumulation of microplastics in nearshore area...
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Kyungwoon Lee, Jeongsu Kim, Ik-Hyeon Kwon, Hyunchan Park and Cheol-Ho Hong
Containers enable high performance and easy deployment due to their lightweight architecture, thus facilitating resource utilization in edge computing nodes. Secure container runtimes have attracted significant attention because of the necessity for over...
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Loan Thi Kim Au, Hoon Cheol Park, Seok Tae Lee and Sung Kyung Hong
The aerodynamic performance of clap-and-fling mechanism in a KU-Beetle?a tailless two-winged flapping-wing micro air vehicle?was investigated for various horizontal free-stream inflows. Three inflow speeds of 0 (hovering), 2.52 m/s and 5.04 m/s correspon...
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Yeon-Hyeok Park, Seong-Cheol Kwon, Kyung-Rae Koo and Hyun-Ung Oh
Whole-spacecraft launch-vibration isolation systems are attractive for achieving the goal of better, faster, cheaper, and lighter small satellites by reducing the design-load and vibration-test specifications for on-board components. In this study, a thr...
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Jae-Cheol Jang, Eun-Ha Sohn, Ki-Hong Park and Soobong Lee
Evapotranspiration (ET) is a fundamental factor in energy and hydrologic cycles. Although highly precise in-situ ET monitoring is possible, such data are not always available due to the high spatiotemporal variability in ET. This study estimates daily po...
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Hwan-Cheol Park, Soumayya Chakir, Young-Bok Kim and Thinh Huynh
This paper proposes a novel nonlinear control approach for a two-axis gimbal to achieve accurate real-time tracking performance in maritime surveillance applications. For this objective, the control system must overcome system complexities and limitation...
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Hye Jin Joo, Gyu Ri Kim, Eun-Cheol Park and Sung-In Jang
Diabetes mellitus is an important chronic disease causing economic and social burden. Insulin resistance is a determinant of diabetes, and regular eating patterns are an important factor in blood sugar control. This study investigated the association bet...
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Hyun-Cheol Park, Sang-Woong Lee and Heon Jeong
Recently, there have been many types of research applying drones with a thermal camera to detect deteriorations in photovoltaic (PV) modules. A thermal camera can measure temperatures on the surface of PV modules and find the deteriorated area. However, ...
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Wafa Shafqat, Yung-Cheol Byun and Namje Park
Recommendation systems aim to decipher user interests, preferences, and behavioral patterns automatically. However, it becomes trickier to make the most trustworthy and reliable recommendation to users, especially when their hardest earned money is at ri...
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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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Sung-Sik Park, Yao-long Hou, Jun-Cheol Lee and Sueng-Won Jeong
Mechanical properties of concrete with bamboo chips as a potential source of aggregates have been investigated in this study.The measurement of this investigation includes slump loss, compressive strength, strain at peak compressive stress, modulus of el...
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Cheol Hoon Park, Tae Gwang Yoon, Dongwoo Kang and Hugo Rodrigue
Printing machines, Roller conveyors, Cleanroom applications.
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Nam Kyu Park and Sang Cheol Suh
This paper focuses on the coping ability of the existing container terminals when mega containerships call at a port. The length of 30,000 TEU (Twenty Equivalent Unit) ships are predicted to be 453 m and occupy 498 m of a quay wall. As a result, the leng...
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Hwi Jun Kim, So Yeon Oh, Doo Woong Lee, Junhyun Kwon and Eun-Cheol Park
The purpose of this study was to investigate the association between intense physical activity and stress in Korean adolescents. The study used data from the Korea Youth Risk Behavior Web-Based Survey (KYRBWS), 2015?2017, that included 170,359 responses ...
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Hyeon Ji Lee, Jieun Jang, Sang Ah Lee, Dong-Woo Choi and Eun-Cheol Park
The burden of cardiovascular disease (CVD) is increasing worldwide and one related lifestyle choice is breakfast consumption. This study examined the association between breakfast frequency and the 10-year risk of atherosclerotic CVD (ASCVD). The 10-year...
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Sung Ho Lee, Hoon Yi, Cheol Woo Park, Hoon Eui Jeong and Moonkyu Kwak
In this study, we reported continuous partial curing and tip-shaped modification methods for continuous production of dry adhesive with microscale mushroom-shaped structures. Typical fabrication methods of dry adhesive with mushroom-shaped structures are...
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