Zobrazeno 1 - 10
of 60
pro vyhledávání: '"Kwon Yeong Lee"'
Publikováno v:
Heliyon, Vol 9, Iss 10, Pp e20925- (2023)
In this research, the geyser phenomenon occurring in a small-diameter two-phase closed thermosyphon (TPCT) was observed and the instability of the device was discussed. Geyser phenomena interfere with the natural circulation of internal working fluid
Externí odkaz:
https://doaj.org/article/220a91acac014ff084e10348a0b7216e
Publikováno v:
ACS Omega, Vol 5, Iss 43, Pp 27880-27885 (2020)
Externí odkaz:
https://doaj.org/article/d6f45dd6895f48b8bccbf1fb95ea7027
Publikováno v:
Materials Research Express, Vol 10, Iss 7, p 075001 (2023)
Condensation refers to the change of a substance from a gaseous phase to a liquid phase, an example of which is the condensation of water vapor in nature. Condensation is used in many industries, such as energy generation and seawater desalination. O
Externí odkaz:
https://doaj.org/article/00c788be1f64478cb6392275b9dab38b
Publikováno v:
Nanomaterials, Vol 12, Iss 6, p 1033 (2022)
This study investigates the quenching behavior and heat transfer characteristics of a copper cube immersed in cellulose nanofiber (CNF) solutions. The heat transfer performance of CNF solutions during boiling has been examined in several studies, but
Externí odkaz:
https://doaj.org/article/b207ff0fd2d64de1b789ad7e130b9704
Publikováno v:
ACS Omega. 7:33837-33844
Condensation, which can be observed in nature as a phase change heat transfer phenomenon, is a critical phenomenon in industrial fields such as power generation, water desalination, and environmental control. Many existing studies have applied surfac
Publikováno v:
Nanomaterials, Vol 11, Iss 3, p 647 (2021)
In this study, we observed the Geyser phenomenon that occurs in a small-diameter two-phase closed thermosyphon (confinement number of 0.245). This phenomenon interferes with the natural circulation of the internal working fluid and increases the ther
Externí odkaz:
https://doaj.org/article/76bac1f057754c0e8b22fb51b46f55c3
Autor:
Dongnyeok Choi, Kwon-Yeong Lee
Publikováno v:
Fluids, Vol 5, Iss 4, p 166 (2020)
Hydrogen energy is considered to be a future energy source due to its higher energy density as compared to renewable energy and ease of storage and transport. Water electrolysis is one of the most basic methods for producing hydrogen. KOH and NaOH, w
Externí odkaz:
https://doaj.org/article/de0fc5987952442ab94ea6bced6a2b5f
Publikováno v:
Science and Technology of Nuclear Installations, Vol 2017 (2017)
An innovative integrated passive safety system for a research reactor is proposed in this study to improve the safety of the research reactor. This integrated system has three functions in the facility as a decay tank, siphon breaker, and long-term c
Externí odkaz:
https://doaj.org/article/410b4df3edcb44beb0e23d99963fe477
Autor:
SOON HO KANG, KWON-YEONG LEE, GI CHEOL LEE, SEONG HOON KIM, DAE YOUNG CHI, KYOUNGWOO SEO, JUHYEON YOON, MOO HWAN KIM, HYUN SUN PARK
Publikováno v:
Nuclear Engineering and Technology, Vol 46, Iss 6, Pp 817-824 (2014)
To ensure the safety of research reactors, the water level must be maintained above the required height. When a pipe ruptures, the siphon phenomenon causes continuous loss of coolant until the hydraulic head is removed. To protect the reactor core fr
Externí odkaz:
https://doaj.org/article/f0617cddf3b8489b96fcba623bdc3b67
Publikováno v:
Annals of Nuclear Energy. 186:109762