Zobrazeno 1 - 10
of 151
pro vyhledávání: '"Kwang-Il Hwang"'
Publikováno v:
Case Studies in Thermal Engineering, Vol 60, Iss , Pp 104668- (2024)
A 2D numerical analysis was conducted to examine the melting performance of a shell-and-tube-type phase change material with a two-layer copper foam having higher and lower porosity levels. The design parameters for these two layers of metal foam con
Externí odkaz:
https://doaj.org/article/092703ed6cb241f0a4c7cab408a2e255
Publikováno v:
한국해양공학회지, Vol 35, Iss 3, Pp 183-190 (2021)
Tomographic particle image velocimetry (PIV) is a widely used method that measures a three-dimensional (3D) flow field by reconstructing camera images into voxel images. In 3D measurements, the setting and calibration of the camera's mapping function
Externí odkaz:
https://doaj.org/article/4b0f66a17a7b4741839016d2911d3177
Autor:
Byeol Kim, Kwang-Il Hwang
Publikováno v:
Applied Sciences, Vol 12, Iss 3, p 1259 (2022)
Hydrogen is an alternative to conventional heavy marine fuel oil following the initial strategy of the International Maritime Organization (IMO) for reducing greenhouse gas emissions. Although hydrogen energy has many advantages (zero-emission, high
Externí odkaz:
https://doaj.org/article/3d8760a2370848e1b720cfae9df5fcb8
Autor:
Sovit Bhandari, Navin Ranjan, Yeong-Chan Kim, Jong-Do Park, Kwang-Il Hwang, Woo-Hyuk Kim, Youn-Sik Hong, Hoon Kim
Publikováno v:
Applied Sciences, Vol 11, Iss 19, p 9270 (2021)
In recent years, the governments in many countries have recognized the importance of data in boosting their economies. As a result, they are implementing the philosophy of open government data (OGD) to make public data easily and freely available to
Externí odkaz:
https://doaj.org/article/c4c86c57c3714f2bb8002cef9b83b3b6
Autor:
Kwang-il Hwang, Sung-Hyun Yoon
Publikováno v:
International Journal of Distributed Sensor Networks, Vol 10 (2014)
In spite of many benefits, since a target RF should be able to react to real time user commands even during system power-off, RF remote controls generally require more standby energy than IR manner. Therefore, in this paper a multifunctional RF remot
Externí odkaz:
https://doaj.org/article/86097b5e5bff415586ed91728bde1155
Autor:
Kwang-il Hwang, Sung-Hyun Yoon
Publikováno v:
Journal of Applied Mathematics, Vol 2014 (2014)
Even though a lot of research has made significant contributions to advances in sensor networks, sensor network protocols, which have different characteristics according to the target application, might confuse machine-to-machine (M2M) network design
Externí odkaz:
https://doaj.org/article/add0be245a054f75b379ceb500856396
Autor:
Kwang-il Hwang, Gangman Yi
Publikováno v:
The Scientific World Journal, Vol 2014 (2014)
Even though existing low-power listening (LPL) protocols have enabled ultra-low-power operation in wireless sensor networks (WSN), they do not address trade-off between energy and delay, since they focused only on energy aspect. However, in recent ye
Externí odkaz:
https://doaj.org/article/c4083cce56234c08a5a6e1a181abd8e0
Autor:
Kwang-il Hwang, Sung-wook Nam
Publikováno v:
Journal of Applied Mathematics, Vol 2014 (2014)
In order to construct a successful Internet of things (IoT), reliable network construction and maintenance in a sensor domain should be supported. However, IEEE 802.15.4, which is the most representative wireless standard for IoT, still has problems
Externí odkaz:
https://doaj.org/article/0dea056115cd48c792bb6ee4da4afa02
Autor:
Byeol Kim, Kwang-Il Hwang
Publikováno v:
Journal of Advanced Marine Engineering and Technology. 46:455-463
Autor:
Byeol Kim, Kwang-Il Hwang
Publikováno v:
International Journal of Hydrogen Energy.