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Seung-Min Jeong, Hyung-Seok Han, Bu-Kyeng Sung, Wiedae Kim and Jeong-Yeol Choi
This study numerically investigated the combustion instability and characteristics of a laboratory-scale gaseous hydrogen-fueled scramjet combustor. For this purpose, a numerical simulation with an improved detached eddy simulation and a detailed hydroge...
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Jae-Hyuk Lee, Jae-Hoon Ryu, Eun-Sung Lee, Hyung-Seok Han and Jeong-Yeol Choi
A noncircular engine cross-section could provide great flexibility in the integration of propulsion into the airframe. In this work, a tri-arc RDE was constructed and tested as an example of noncircular cross-sectioned RDE. The operational characteristic...
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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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Hyung Seok Nam, Nhayoung Hong, Minwoo Cho, Chiwon Lee, Han Gil Seo and Sungwan Kim
The main contribution of this study is the development of a novel concept of a rehabilitation robot for stroke, helping to close the neuro-feedback loop. To facilitate neuroplasticity, a vision-assisted control algorithm was implemented to meet user-inte...
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Hyung Seok Nam, Han Gil Seo, Ja-Ho Leigh, Yoon Jae Kim, Sungwan Kim and Moon Suk Bang
This study is an investigation of the practical demands of potential users of assistive rehabilitation robots from a survey performed in patients with functional upper limb impairments. While the development of simple and practical robots is becoming mor...
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Muhammad Tabish Niaz, Fatima Imdad and Hyung Seok Kim
Visible light communication (VLC) has recently gained significant academic and industrial attention. VLC has great potential to supplement the functioning of the upcoming radio-frequency (RF)-based 5G networks. It is best suited for home, office, and com...
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Najam ul Hasan, Waleed Ejaz, Mahin K. Atiq and Hyung Seok Kim
Measurement of the active, reactive, and apparent power is one of the most fundamental tasks of smart meters in energy systems. Recently, a number of studies have employed the discrete wavelet transform (DWT) for power measurement in smart meters. The mo...
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