Y
Yujin Hwang
Researcher at Pusan National University
Publications - 32
Citations - 3768
Yujin Hwang is an academic researcher from Pusan National University. The author has contributed to research in topics: Lubrication & Lubricant. The author has an hindex of 19, co-authored 32 publications receiving 3250 citations.
Papers
More filters
Journal ArticleDOI
Stability and thermal conductivity characteristics of nanofluids
Yujin Hwang,Jae-Keun Lee,C.H. Lee,Yunjin Jung,Seongir Cheong,Chun-Sung Lee,B.C. Ku,Seok Pil Jang +7 more
TL;DR: In this article, various nanoparticles such as multi-walled carbon nanotube (MWCNT), fullerene, copper oxide, and silicon dioxide have been used to produce nanofluids for enhancing thermal conductivity and lubricity.
Journal ArticleDOI
Convective heat transfer characteristics of nanofluids under laminar and turbulent flow conditions
Doohyun Kim,Younghwan Kwon,Yonghyeon Cho,Chengguo Li,Seongir Cheong,Yujin Hwang,Jaekeun Lee,Daeseung Hong,Seongyong Moon +8 more
TL;DR: In this article, the effect of nanofluids on convective heat transfer was investigated through a circular straight tube with a constant heat flux condition in the laminar and turbulent flow regime.
Journal ArticleDOI
Production and dispersion stability of nanoparticles in nanofluids
Yujin Hwang,Jae-Keun Lee,Jong-Ku Lee,Young-Man Jeong,Seongir Cheong,Young-Chull Ahn,Soo Hyung Kim +6 more
TL;DR: In this article, various physical treatment techniques based on two-step method, including stirrer, ultrasonic bath and ultrasonic disruptor, were systematically tested to verify their versatility for preparing stable nanofluids.
Journal ArticleDOI
Investigation on characteristics of thermal conductivity enhancement of nanofluids
Yujin Hwang,Young-Chull Ahn,Hyun-Suk Shin,Chan Gyu Lee,Gyoo-Cheon Kim,Hyean-Cheal Park,Jaekeun Lee +6 more
TL;DR: In this paper, the thermal conductivity enhancement of water-based MWCNT nanofluid is increased up to 11.3% at a volume fraction of 0.01.
Journal ArticleDOI
Thermal conductivity and lubrication characteristics of nanofluids
TL;DR: In this paper, various nanoparticles, such as multi-walled carbon nanotube (MWCNT), fullerene, copper oxide, silicon dioxide and silver, are used to produce nanofluids for enhancing thermal conductivity and lubrication.