Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Hoon-Keun Lee"'
Publikováno v:
Nuclear Engineering and Technology, Vol 53, Iss 10, Pp 3314-3318 (2021)
This paper presents a mode-matching analysis of the electromagnetic coupling between open cable trays in an indoor structure when an electric-line current is generated as an electromagnetic source. We validated the mode-matching method by comparing t
Externí odkaz:
https://doaj.org/article/5ebe2f04422d45048811783b3153afb0
Publikováno v:
Nuclear Engineering and Technology, Vol 52, Iss 12, Pp 2847-2851 (2020)
A simple water level measurement method based on wavelength division multiplexing (WDM) is proposed and demonstrated. The measurement principle is based on the change of Fresnel reflection occurring at the end facet of the optical fiber tip (OFT). To
Externí odkaz:
https://doaj.org/article/4ae75d77df9b47879b463e3da72baeb2
Publikováno v:
IEEE Access, Vol 8, Pp 72275-72286 (2020)
This paper presents an analytical interpretation of electromagnetic interference between solid-bottom type open cable trays in a nuclear power plant under the assumption that an electric-line current is undesirably generated from a damaged cable in a
Externí odkaz:
https://doaj.org/article/aff4eb83a7704dc79e52cec6bd999d4b
Publikováno v:
Sensors, Vol 21, Iss 12, p 4055 (2021)
This paper presents a remote 16 Ch × 200 GHz dense wavelength division multiplexing (DWDM)-passive optical fiber sensor (OFS) network. We particularly investigate the remote water-level monitoring capability of the OFS network based on an optical po
Externí odkaz:
https://doaj.org/article/262442418c5f4778870f489262b34c47
Publikováno v:
Sensors, Vol 20, Iss 23, p 6813 (2020)
Water management is a critical mission required to protect the water resources that is essential in diverse industrial applications. Amongst a variety of parameters such as level (or depth), temperature, conductivity, turbidity, and pH, the water lev
Externí odkaz:
https://doaj.org/article/a9292a9856d34d55ae9ea47731b53090
Publikováno v:
Sensors, Vol 20, Iss 15, p 4218 (2020)
This paper presents a passive optical fiber sensor network based on the dense wavelength division multiplexing (DWDM) to remotely monitor the water level of the spent fuel pool in nuclear power plants. In states of emergency, such as a tsunami, safet
Externí odkaz:
https://doaj.org/article/79c7f9c202ef44d8992a0c8fe43f2d3c
Publikováno v:
Sensors, Vol 19, Iss 14, p 3095 (2019)
We propose and demonstrate a simple water level monitoring system based on the wavelength division multiplexing (WDM) for the spent fuel pool (SFP) at a nuclear power plant. The basic principle is based on the measurement of the optical power spectra
Externí odkaz:
https://doaj.org/article/556fd39fb9ed46378d8c03a3c4bb6d70
Publikováno v:
Electronics; Volume 12; Issue 8; Pages: 1823
This paper presents a real-time remote water level monitoring system based on dense wavelength division multiplexing (DWDM)-passive optical fiber sensor (OFS) network for the application of the Internet of Things (IoT). This network employs a broadba
Publikováno v:
Nuclear Engineering and Technology, Vol 52, Iss 12, Pp 2847-2851 (2020)
A simple water level measurement method based on wavelength division multiplexing (WDM) is proposed and demonstrated. The measurement principle is based on the change of Fresnel reflection occurring at the end facet of the optical fiber tip (OFT). To
Autor:
Hoon-Keun Lee, Junyoung Kim, Ki-Man Choi, Jung-Hyung Moon, Jong Hoon Lee, Chang-Hee Lee, Sil-Gu Mun
Publikováno v:
Journal of Lightwave Technology. 27:4311-4318
We propose and demonstrate a seamless evolution method with protection capability for next-generation (NG) access networks. Both a time-division-multiplexing passive optical network (TDM-PON) and a wavelength-division-multiplexing (WDM-PON) can be ac