Zobrazeno 1 - 10
of 473
pro vyhledávání: '"Young-Cheol Kim"'
Publikováno v:
Aerospace, Vol 11, Iss 1, p 91 (2024)
To achieve the commercialization of electric vertical takeoff and landing (eVTOL) aircrafts, which have recently garnered attention as the next-generation means of transportation, objective certification based on rigorous procedures is essential. Wit
Externí odkaz:
https://doaj.org/article/fa4682c02bff45d98a00f81caa3056d3
Publikováno v:
Energies, Vol 15, Iss 21, p 8046 (2022)
In this paper, an analysis of electromagnetic–mechanical characteristics according to the shaft materials of a permanent magnet synchronous motor was performed. In general, the shaft of an electric motor rotating at high speed uses various material
Externí odkaz:
https://doaj.org/article/db31aae17a18443b93a331fd289fa271
Publikováno v:
Research in Plant Disease, Vol 23, Iss 1, Pp 19-34 (2017)
Recent worldwide demand for organic and sustainable agriculture products is driving the development of formulations of biopesticides effective in the field. Biopesticides have the benefit of environmentally-friendly qualities. However, biocontrol app
Externí odkaz:
https://doaj.org/article/ef9fe6748f654aea8ba29d641d804bde
Publikováno v:
Aerospace, Vol 8, Iss 4, p 104 (2021)
Airworthiness standards of Korea recommend verifying structural safety by experimental tests and analytical methods, owing to the development of analysis technology. In this study, we propose a methodology to verify the structural safety of aircraft
Externí odkaz:
https://doaj.org/article/bbdc8d185c724675bb9a1bbdb3714be3
Publikováno v:
AIP Advances, Vol 4, Iss 10, Pp 107125-107125-6 (2014)
While environmental vibrations are usually in the range of a few hundred Hertz, small-form-factor piezoelectric vibration energy harvesters will have higher resonant frequencies due to the structural size effect. To address this issue, we propose a r
Externí odkaz:
https://doaj.org/article/e18f666aa0744f44855180d560fdec73
Publikováno v:
Journal of the Korean Society for Aeronautical & Space Sciences. 51:291-298
Autor:
Young-Cheol, Kim
This paper introduces a new concept of one-dimensional hologram which represents one line image, and a new kind of display structure using it. This one-dimensional hologram is similar to a superpositioned diffraction lattice. And the interference pat
Externí odkaz:
http://arxiv.org/abs/physics/0609065
Autor:
Young-cheol Kim
Publikováno v:
The Journal of Chinese Language and Literature. 134:243-270
Autor:
Jang Hoon Lee, Young Cheol Kim
Publikováno v:
Journal of Plant Diseases and Protection. 129:1031-1040
Autor:
Hyo Song Nam, Young Cheol Kim
Publikováno v:
Plant Disease.
In March 2020, approximately 20% of leaves in a commercial oat field growing Avena sativa (cv. Samhan) in Jeongeup, Korea (35.3859°, 126.5607°), displayed leaf blight in the seedling stage of development. The lesions observed in 2020 were of a yell