Zobrazeno 1 - 10 of 114 pro vyhledávání: '"Kyung Hwan Lee"'
1
Akademický článek
Development of Nano-Sized Copper-Deposited Antimicrobial Air Filters Using a Mixed Melt-Blown Process
Autor: Kyung Hwan Lee, Jun Young Yoo, Chan Jung Park, Kang Ho Ahn
Publikováno v: Nanomaterials, Vol 13, Iss 14, p 2071 (2023)
Air purification devices, such as air purifiers, provide fresh air by filtering out airborne pollutants, dust, and other harmful substances using various filter systems. While air filters are generally effective in filtering pollutants such as dust,
Externí odkaz: https://doaj.org/article/82e35d0b40054efb88ddc622fe00c594
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5
Akademický článek
Comprehensive Spray Characteristics of Water in Port Fuel Injection Injector
Autor: Jeonghyun Park, Kyung-Hwan Lee, Suhan Park
Publikováno v: Energies, Vol 13, Iss 2, p 396 (2020)
The objective of this study was to compare the injection and spray characteristics of water with n-heptane using a port fuel injection (PFI) system. In this study, the injection pressure was changed to 0.3−0.9 Mpa and the energizing duration was ch
Externí odkaz: https://doaj.org/article/79020948bcf7442083c452513931e8da
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6
Upper Echelon Employment: A Review of the Fundamental Questions Related to the Executive Labor Market
Autor: Michael C. Withers, Kyung Hwan Lee, Y. Sekou Bermiss, Steven Boivie
Publikováno v: Journal of Management. :014920632311713
The executive labor market (ELM) is a topic of interest that spans several academic fields. The outcomes of the ELM, including executive selection, succession, and compensation, are important considerations as they influence executive decision making
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8b3828276cbc7a15897ab40fe9fc459e
https://doi.org/10.1177/01492063231171382
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7
A Search for Kilonova Radio Flares in a Sample of Swift/BAT Short Gamma-Ray Bursts
Autor: Avery Eddins, Kyung-Hwan Lee, Alessandra Corsi, Imre Bartos, Zsuzsanna Márka, Szabolcs Márka
Publikováno v: The Astrophysical Journal. 948:125
The multimessenger detection of GW170817 showed that binary neutron star (BNS) mergers are progenitors of (at least some) short gamma-ray bursts (GRBs), and that short GRB jets (and their afterglows) can have structures (and observational properties)
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::83cd9165dc8cd35a79db50ee11e57c42
https://doi.org/10.3847/1538-4357/acc6c5
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8
고해상도 수치기법을 이용한 플래핑 날개 주위 비정상 아음속 유동해석
Autor: Kyung-Hwan Lee, Jae-Soo Kim, jongrok kim, Icktae Kim
Publikováno v: Journal of Advanced Engineering and Technology. 12:203-209
Many numerical and experimental researches have been done for the unsteady flow around a flapping airfoil. The main research topics are vortex shedding, dynamic stall phenomenon, and MAV''s lift and thrust generation for the flow over a flapping airf
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0b1f39cc722cb6bb12a63cdd6cc4359a
https://doi.org/10.35272/jaet.2019.12.4.203
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9
Resonant Switching Cell Model for High-Frequency Single-Ended Resonant Converters
Autor: Jung-Ik Ha, Kyung-Hwan Lee
Publikováno v: IEEE Transactions on Power Electronics. 34:11897-11911
This paper proposes a resonant switching cell model to analyze and design the single-ended resonant dc–dc converters. The single-ended zero-voltage switching (ZVS) converters such as the Class E converter are efficient for megahertz switching becau
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d6314739819c367c90015eddc2c1733f
https://doi.org/10.1109/tpel.2019.2906336
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