Zobrazeno 1 - 10
of 77
pro vyhledávání: '"Wookyung Kim"'
Publikováno v:
International Journal of Optomechatronics, Vol 18, Iss 1 (2024)
This paper presents a one-dimensional scanning micromirror, utilizing Multi Jet Fusion three-dimensional (3D) printed polyamide 12 as its core material, with a gold-coated silicon mirror in a half-circle extension shape (4.2 mm × 15 mm). The micromi
Externí odkaz:
https://doaj.org/article/e8d76d344cdb4d558caf529153c182ce
Autor:
Nomathemba Chandiwana, Chelsea Kruger, Naomi Richardson, Sibongiseni Nxumalo, Nkoleleng Mashilo, Yengiwe Dineka, Ntanganedzeni Mudau, Hilary Johnstone, Wookyung Kim, Chung Ju, Sarah Arbe-Barnes, Anne Claire Marrast, Julia Flynn, Willem D. Francois Venter
Publikováno v:
Trials, Vol 24, Iss 1, Pp 1-12 (2023)
Abstract Background Repeated COVID-19 waves and corresponding mitigation measures have impacted health systems globally with exceptional challenges. In response to the pandemic, researchers, regulators, and funders rapidly pivoted to COVID-19 researc
Externí odkaz:
https://doaj.org/article/4e3d4b4757cf48489a270fb90bb13fa9
Publikováno v:
Energies, Vol 17, Iss 5, p 1242 (2024)
Decarbonizing the current steel and power sectors through the development of the hydrogen direct-reduction iron ore–electric arc furnace route and the 100% hydrogen-fired gas turbine cycle is crucial. The current study focuses on three clusters of
Externí odkaz:
https://doaj.org/article/8739e6eef9e446edac8edd38513f1ab9
Publikováno v:
Journal of Thermal Science and Technology, Vol 18, Iss 1, Pp 23-00038-23-00038 (2023)
We experimentally investigated the influences of a small obstacle on the sidewall upon a detonation cellular structure using the smoked-foil technique for a stoichiometric hydrogen–oxygen mixture diluted with argon at pressures ranging from 15 to 6
Externí odkaz:
https://doaj.org/article/10b0fe3641824b19a7753cad2a8e0779
Autor:
Yukihiko Matsumura, Yuito Suganuma, Takayuki Ichikawa, Wookyung Kim, Yutaka Nakashimada, Keiya Nishida
Publikováno v:
ACS Omega, Vol 6, Iss 36, Pp 23442-23446 (2021)
Externí odkaz:
https://doaj.org/article/5d7e4c538761436ab72f2687ded1d3e8
Publikováno v:
Journal of Thermal Science and Technology, Vol 16, Iss 2, Pp JTST0018-JTST0018 (2021)
We experimentally investigated the promotion of deflagration-to-detonation transition (DDT) in hydrogen-air mixtures contained in a tube in which straight-shaped rods were installed as obstacles. In the experiments, the number of obstacle rods, their
Externí odkaz:
https://doaj.org/article/5ef1f08380da439181d5ecd73f9fc8c0
Publikováno v:
Journal of Thermal Science and Technology, Vol 15, Iss 3, Pp JTST0030-JTST0030 (2020)
The characteristics of the propagation of a detonation from a cylindrical tube of constant cross section into a diverging cone were experimentally investigated using the smoked-foil technique for three explosive gas mixtures: C2H2+2.5O2, 2H2+O2+4.5Ar
Externí odkaz:
https://doaj.org/article/8869275fd4694f83a23aab5c5d7423c9
Publikováno v:
Combustion Science and Technology. 195:1622-1636
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0565521d2655dc18c255357e1525d9a3
https://doi.org/10.1080/00102202.2023.2182203
https://doi.org/10.1080/00102202.2023.2182203
Publikováno v:
Journal of the Energy Institute. 105:72-80
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5d9b9747477e1878ce60550aa86eac5f
https://doi.org/10.1016/j.joei.2022.07.009
https://doi.org/10.1016/j.joei.2022.07.009
Autor:
Yutaka Nakashimada, Wookyung Kim, Akihiro Ueda, Takuma Endo, Yukihiko Matsumura, Takayuki Ichikawa, Keiya Nisida
Publikováno v:
Journal of the Energy Institute. 99:178-185
The effects of different mole fractions of hydrogen and carbon dioxide on the combustion characteristics of a premixed methane–air mixture are experimentally and numerically investigated. The laminar burning velocity of hydrogen-methane-carbon diox
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::94e3bdda637e1297dd439c512c8fbe57
https://doi.org/10.1016/j.joei.2021.09.007
https://doi.org/10.1016/j.joei.2021.09.007