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Min-Su Kim, In-Hoi Koo, Keon-Hyeong Lee, Eun-Sung Lee, Hyung-Seok Han, Seung-Min Jeong, Holak Kim and Jeong-Yeol Choi
This experimental investigation focused on the ignition and combustion characteristics of a tandem cavity-based scramjet combustor with side-by-side identical cavities. This study utilized the Pusan National University-direct connect scramjet combustor (...
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In-Hoi Koo, Keon-Hyeong Lee, Min-Su Kim, Hyung-Seok Han, Holak Kim and Jeong-Yeol Choi
Fuel injection and mixing affect the characteristics of detonation initiation and propagation, as well as the propulsion performance of rotating detonation engine (RDE). A study on the injector is carried out in the present investigation. A rectangular-s...
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Kwan Kim, Moo-Keun Song, Su-Jin Lee, Dongsig Shin, Jeong Suh and Jong-Do Kim
With nuclear power plants worldwide approaching their design lifespans, plans for decommissioning nuclear power plants are increasing, and interest in decommissioning technology is growing. Laser cutting, which is suitable for high-speed cutting in under...
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Ju-Hui Kim, Ji-Su Kim, Si-Hyun Kim, Su-Hyeon Jeong, Un-Yul Jeong, Ji-Eun Jung, Sun-Kyung Lee and Sung-Hyen Lee
This study was conducted to evaluate and to increase the usage of the whole onion (Allium cepa L.), which is composed of a small bulb and many leaves that are discarded as by-products before the bulbs grow. Whole onions are harvested early in immature co...
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Young IL Park, Su-Hyun Park and Jeong-Hwan Kim
Ships and offshore structures are subjected to impact loads, such as slamming and sloshing. High impact pressures can cause permanent hull deformation by a single impact event. In addition, significant fatigue damage can be accumulated via repeated impac...
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Sung Cheol Koo, Hyun Sim Woo, Jae Woo Kim, Yeong-Su Kim, Jeong Yoon Kim, Jang Hoon Kim, Jin Yu, Young Chang Kim and Dae Wook Kim
Codonopsis ussuriensis (Rupr. and Maxim.) Hemsl is a medicinal herb commonly found in Korea, Japan, and the Russian Far East. However, its chemical composition and bioactivity have not been extensively studied. Thus, in this study, we aimed to examine an...
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Min Hye Kang, Yun-Jeong Ji, Yu Mi Han, Gwi Yeong Jang, Dong Hwi Kim, Jeong Hoon Lee, Geum-Soog Kim, Su Ji Choi and Hyung Don Kim
The overproduction of reactive oxygen species (ROS) can cause oxidative stress to biomolecules such as nucleic acids, proteins, and lipids, leading to neurodegenerative disorders. Sasa borealis (SB) has antioxidant, anti-inflammatory, antidiabetic, and a...
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Van Chien Pham, Jeong Kuk Kim, Won-Ju Lee, Su-Jeong Choe, Van Vang Le and Jae-Hyuk Choi
Piston bowl geometry plays an important role in the fuel/air mixing quality which has a direct influence on the performance and emission characteristics of the engine. This work studied the effects of piston bowl geometry on the combustion and emissions ...
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Jeong-Han Yi, Kyu-Beom Kim, Ye-Jin Kim, Ji-Su Kim, Hyung-Sik Kim, Mi-Hyun Choi and Soon-Cheol Chung
The purpose of this study was to observe the effects of audible and inaudible binaural beat stimuli on alpha power elicitation and compare the differences in triggering effects depending on sound perception. Experiments were conducted on healthy male and...
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Hyun-Hwa Lee, Jin-Sol Kim, Jun-Han Jeong, Su Mi Park, Ramaraj Sathasivam, Sook Young Lee and Chun Sung Kim
Asian kelp (Undaria pinnatifida) is a brown alga mainly grown and consumed in East Asian countries such as China, Japan, and Korea. To date, studies on the various biological activities of Asian kelp have been conducted; however, studies focusing on the ...
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