Zobrazeno 1 - 10
of 248
pro vyhledávání: '"Hyomin Jeong"'
Publikováno v:
Energies, Vol 17, Iss 1, p 113 (2023)
In this work, the effects of carbon nanotubes and an amphoteric surfactant, namely lauryl betaine, on the absorbance, contact angle, surface tension, and thermal conductivity of DW were experimentally investigated. The concentration of the carbon nan
Externí odkaz:
https://doaj.org/article/070b192ef5f84fcbabc17fd57ae395ac
Publikováno v:
Energies, Vol 17, Iss 1, p 187 (2023)
With increasingly stringent emissions legislation, such as that stipulated by the International Maritime Organization, for nitrogen oxide emission reduction in marine diesel engines, the imperative of curtailing nitrogen oxide emissions from marine d
Externí odkaz:
https://doaj.org/article/25c2379fe3604d1fbff8e0faa2e2b57a
Publikováno v:
Journal of Marine Science and Engineering, Vol 11, Iss 7, p 1462 (2023)
In this paper, the evaluation procedure for Level 1, Level 2A, and Level 2B for the parametric roll among the five modes of the IMO second generation stability criteria was explained in detail. Parametric roll mode evaluation was performed using the
Externí odkaz:
https://doaj.org/article/9677596ca91648b3ab64502d59c2f0ea
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:
Gyuchang Kim, Seungyeop Baek, Wontak Choi, Ajeong Lee, Seunghyeon Lee, Hyomin Jeong, Yonmo Sung
Publikováno v:
Case Studies in Thermal Engineering, Vol 28, Iss , Pp 101385- (2021)
In this study, the stability, surface tension, and thermal conductivity of Al2O3/water nanofluids with different types of alcohol fluids were investigated. Different types of alcohols (butanol, pentanol, and hexanol) were added to the Al2O3/water nan
Externí odkaz:
https://doaj.org/article/6cb1e7df9344454a883f8e118e0cb357
Publikováno v:
Energies, Vol 15, Iss 23, p 8822 (2022)
In nanoscience, nanotechnology is applied to various technologies, and research is actively being conducted. As the application of multi-walled carbon nanotubes (MWCNTs) in various fields increases, efforts have been made to develop dispersion and fu
Externí odkaz:
https://doaj.org/article/a08524482e1d4f40a62566f0f8cd3124
Autor:
Seungyeop Baek, Wontak Choi, Gyuchang Kim, Jaedeok Seo, Sanggon Lee, Hyomin Jeong, Yonmo Sung
Publikováno v:
Energies, Vol 15, Iss 19, p 7322 (2022)
A new concept of land-based Atlantic salmon farming utilizing liquefied natural gas (LNG) cold energy is proposed. In this study, laboratory-scale experiments were conducted using liquid nitrogen as a cold energy source to confirm whether the water t
Externí odkaz:
https://doaj.org/article/9d9e214b73fe47439a0512610522d503
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:
Energies, Vol 14, Iss 16, p 4875 (2021)
For solar thermal harvesting, an experimental study was performed on the thermal absorption performance of water-based carbon nanotubes (CNTs), Cu, and Al2O3 nanofluids using a halogen lamp-based thermal radiation system. The effect of nanoparticle c
Externí odkaz:
https://doaj.org/article/79afb4a9328d4ec6a2c86d59ee10ad4f