Zobrazeno 1 - 10
of 132
pro vyhledávání: '"Sang-jin Oh"'
Publikováno v:
Journal of Marine Science and Engineering, Vol 12, Iss 1, p 180 (2024)
Capsizing accidents are regarded as marine accidents with a high rate of casualties per accident. Approximately 89% of all such accidents involve small ships (vessels with gross tonnage of less than 10 tons). Stability calculations are critical for a
Externí odkaz:
https://doaj.org/article/13f9afd637914cf98c10c2a160fc48b3
Effects of Closed-Loop Devices on Omnidirectional Beam Patterns Radiated from WAVE Monopole Antennas
Publikováno v:
Applied Sciences, Vol 12, Iss 22, p 11402 (2022)
This study investigates the influence of closed-loop devices on omnidirectional beam patterns radiated from a Wireless Access for Vehicle Environment (WAVE) monopole antenna for facilitating communication stability in Vehicle-to-Vehicle and Vehicle-t
Externí odkaz:
https://doaj.org/article/7d63fc398a624e05b343494bb455964d
Publikováno v:
Applied Sciences, Vol 12, Iss 16, p 7996 (2022)
Recently, various dynamic risk analysis methods have been suggested for estimating the risk index by predicting the possibility of accidents and damage in real time. It is necessary to quickly estimate the risk of an accident by predicting the probab
Externí odkaz:
https://doaj.org/article/cba4b27e422445c59533b1646c647cbd
Publikováno v:
Applied Sciences, Vol 11, Iss 24, p 12051 (2021)
Metals created by melting basic metal and welding rods in welding operations are referred to as weld beads. The weld bead shape allows the observation of pores and defects such as cracks in the weld zone. Radiographic testing images are used to deter
Externí odkaz:
https://doaj.org/article/b60ce572106c4bfb834c964a39a5a7ce
Publikováno v:
Applied Sciences, Vol 12, Iss 1, p 123 (2021)
Welding defects must be inspected to verify that the welds meet the requirements of ship welded joints, and in welding defect inspection, among nondestructive inspections, radiographic inspection is widely applied during the production process. To pe
Externí odkaz:
https://doaj.org/article/e213faa2c44345d38ea31f5f9f82a8e7
Autor:
Hye-young Son, Hyeon-dong Roh, Gi-yong Kim, Sang-jin Oh, Jin Choi, Dong-kon Lee, Sung-chul Shin
Publikováno v:
Journal of Marine Science and Engineering, Vol 10, Iss 1, p 17 (2021)
Considering the nature of marine accidents, even a single accident can result in significant damage to the environment and property, as well as loss of life. Therefore, the initial response should be rapid and accurate, and various decision support s
Externí odkaz:
https://doaj.org/article/9383c22bbbd34b13a142e4902bf13c33
Publikováno v:
Applied Sciences, Vol 10, Iss 23, p 8629 (2020)
In the shipbuilding industry, the non-destructive testing for welding quality inspection is mainly used for the permanent storage of the testing results and the radio-graphic testing which can visually inspect the interior of the welded part. Experts
Externí odkaz:
https://doaj.org/article/b9ecca1b93d1473797b7ebf7591fb485
Publikováno v:
Energies, Vol 6, Iss 7, Pp 3263-3283 (2013)
Microgrids are autonomous low-voltage power distribution systems that contain multiple distributed energy resources (DERs) and smart loads that can provide power system operation flexibility. To effectively control and coordinate multiple DERs and lo
Externí odkaz:
https://doaj.org/article/0c8cf52158bb4133aa36164c6dd34255
Publikováno v:
Periodica Polytechnica: Civil Engineering; 2024, Vol. 68 Issue 2, p445-458, 14p
Autor:
Chang Hyun Noh, Sang-Jin Oh
Publikováno v:
Korean Business Education Review. 38:123-150