Zobrazeno 1 - 10
of 86
pro vyhledávání: '"JungPil Noh"'
Publikováno v:
Advances in Materials Science and Engineering, Vol 2022 (2022)
Aluminum alloy itself does not provide sufficient wear resistance for structural parts. Therefore, there is need to protect against the wear issue in practical applications. The objective of this study is to investigate different parameters wear char
Externí odkaz:
https://doaj.org/article/ffaa893f76104210a5b40d3d6d045d02
Autor:
Seungyeop Baek, Dongwook Shin, Jungpil Noh, Byeongkeun Choi, Sunchul Huh, Hyomin Jeong, Yonmo Sung
Publikováno v:
Case Studies in Thermal Engineering, Vol 28, Iss , Pp 101586- (2021)
An experimental study was conducted to investigate the effect of surface tension and thermal conductivity of distilled water (DW) and 0.5 wt% alumina nanofluid with or without 1.5 wt% SDBS on a two-phase closed thermosyphon (TPCT). The TPCT thermal p
Externí odkaz:
https://doaj.org/article/98cc36896ec54da0b9e940f70a33235a
Autor:
Seungyeop Baek, Dongwook Shin, Gyuchang Kim, Ajeong Lee, Jungpil Noh, Byeongkeun Choi, Sunchul Huh, Hyomin Jeong, Yonmo Sung
Publikováno v:
Case Studies in Thermal Engineering, Vol 25, Iss , Pp 100995- (2021)
The influence of surfactants on the dispersion, stability, and thermophysical characteristics of 0.5%-alumina/distilled water nanofluid was investigated. The study was conducted for a range of surfactant blending ratios (0.5, 1.0, and 1.5 wt%) with a
Externí odkaz:
https://doaj.org/article/c0524230320242e58e67f2681f8fcfd5
Publikováno v:
Advances in Materials Science and Engineering, Vol 2020 (2020)
Mechanical parts have a problem of wear when used in extreme environments. Aluminum, most used in the industrial field, is a representative material of light weight, but its wear resistance is not good. To resolve the wear problem of such materials,
Externí odkaz:
https://doaj.org/article/24e03181a6b346d3aa17dda77fa769b2
Autor:
Joohyeon Bae, Hyunsuk Lee, Duckhyeon Seo, Sangdu Yun, Jeonghyeon Yang, Sunchul Huh, Hyomin Jeong, Jungpil Noh
Publikováno v:
Materials, Vol 13, Iss 14, p 3229 (2020)
TiNi shape-memory-alloy thin films can be used as small high-speed actuators or sensors because they exhibit a rapid response rate. In recent years, the transformation temperature of these films, manufactured via a magnetron sputtering method, was fo
Externí odkaz:
https://doaj.org/article/6e82f7e2c7f946c4a11cf280925f304d
Autor:
Jeonghyeon Yang, Munkhbayar Baatarsukh, Joohyeon Bae, Sunchul Huh, Hyomin Jeong, Byeongkeun Choi, Taehyun Nam, Jungpil Noh
Publikováno v:
Materials, Vol 11, Iss 8, p 1361 (2018)
Ternary Ti-Nb-Zr alloys were prepared by a magnetron sputtering method with porous structures observed in some of them. In bulk, in order to control the porous structure, a space holder (NH4HCO3) is used in the sintering method. However, in the prese
Externí odkaz:
https://doaj.org/article/1263a7293f1644a3b95fbf35c35915d1
Autor:
HeonJin Seong, GwiNam Kim, JongHoon Jeon, HyoMin Jeong, JungPil Noh, YoungJu Kim, HyunJi Kim, SunChul Huh
Publikováno v:
Materials, Vol 11, Iss 6, p 950 (2018)
In earlier studies, much research has focused on increasing the efficiency of heat exchanger fields. Therefore, in this study, graphene nanofluid was fabricated for use as a heat transfer medium for a heat exchanger. Graphene has excellent electrical
Externí odkaz:
https://doaj.org/article/1c935fafacf6410299b66ded8619479e
Autor:
Hyomin Jeong, Yonmo Sung, Seunghyeon Lee, Gyuchang Kim, Byeong-Keun Choi, Sunchul Huh, Seungyeop Beak, Jungpil Noh, Ajeong Lee
Publikováno v:
Applied Nanoscience. 12:3353-3362
Cellulose nanocrystals (CNCs) have inspired great interest in the research community over recent years due to their unique nanostructure and interesting properties such as their flexibility, excellent mechanical properties, and strong hydrogen bondin
Autor:
Ajeong Lee, Junhyo Kim, Hyomin Jeong, Sedong Kim, Byeong-Keun Choi, Sunchul Huh, Jungpil Noh, Otgonbayar Dovjuu
Publikováno v:
Journal of Nanoscience and Nanotechnology. 20:2337-2343
Nanofluids are considered alternative heat transfer fluids because of their excellent thermal and electronic conductivities. Recently, carbon nanomaterials such as carbon nanotubes and graphene have been considered to fabricate enhanced heat transfer
Autor:
Sunchul Huh, Seungyeop Baek, Byeong-Keun Choi, Dongwook Shin, Yonmo Sung, Jungpil Noh, Hyomin Jeong
Publikováno v:
Case Studies in Thermal Engineering, Vol 28, Iss, Pp 101586-(2021)
An experimental study was conducted to investigate the effect of surface tension and thermal conductivity of distilled water (DW) and 0.5 wt% alumina nanofluid with or without 1.5 wt% SDBS on a two-phase closed thermosyphon (TPCT). The TPCT thermal p