Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Dehee Kim"'
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 7, Pp 2545-2556 (2024)
In the present study, we investigated the velocity distribution, temperature distribution and condensation characteristics of steam jet issuing from four different orifice nozzles with a Reynolds number of approximately 79,000 using the phase Doppler
Externí odkaz:
https://doaj.org/article/143f045cd1544408af5ec0fdbcd1a0fe
Publikováno v:
Journal of Nuclear Science and Technology. 59:1089-1106
Publikováno v:
Nuclear Engineering and Design. 365:110717
In the Prototype Gen-IV Sodium-cooled Fast Reactor (PGSFR), a Reactor Vault Cooling System (RVCS) is prepared to maintain the structural integrity of the reactor vessel and the concrete during normal operation as well as to mitigate accidents during
Autor:
Myung S. Jhon, Lorenz T. Biegler, Dehee Kim, Pil Seung Chung, Sesha Hari Vemuri, Robert L. Smith
Publikováno v:
IEEE Transactions on Magnetics. 47:87-93
Multiscale modeling opens a new paradigm by providing a novel methodology of establishing molecular design criteria and potentially gives several orders of magnitude advances in nanotechnology. The head/disk interface (HDI) in the hard disk drive sys
Publikováno v:
IEEE Transactions on Magnetics. 46:2401-2404
Multiscale modeling opens a new paradigm by providing a novel methodology of establishing molecular design criteria and potentially gives several order of magnitude advances in nano-technology. The head disk interface in hard disk drive system invest
Publikováno v:
IEEE Transactions on Magnetics. 45:3640-3643
As fly height of slider in head-disk interface (HDI) decreases with increasing areal density, the intermittent contacts between head and disk during operation could occur and cause lubricant depletion in the nanofilm. Therefore, the spreading behavio
Autor:
Dehee Kim, Jang Hyuk Kwon
Publikováno v:
Journal of Computational Physics. 210:554-583
A high-order accurate hybrid central-WENO scheme is proposed. The fifth order WENO scheme [G.S. Jiang, C.W. Shu, Efficient implementation of weighted ENO schemes, J. Comput. Phys. 126 (1996) 202-228] is divided into two parts, a central flux part and
Autor:
Jang-Hyuk Kwon, Dehee Kim
Publikováno v:
Journal of the Korean Society for Aeronautical & Space Sciences. 33:17-25
A grid adaptation method within systems of chimera and patched grids is presented. Problem domains are divided into near-body and off-body fields. Near-body field is filled with curvilinear body-fitted grids that extend only a short distance from bod
Publikováno v:
Volume 1C, Symposia: Fundamental Issues and Perspectives in Fluid Mechanics; Industrial and Environmental Applications of Fluid Mechanics; Issues and Perspectives in Automotive Flows; Gas-Solid Flows: Dedicated to the Memory of Professor Clayton T. Crowe; Numerical Methods for Multiphase Flow; Transport Phenomena in Energy Conversion From Clean and Sustainable Resources; Transport Phenomena in Materials Processing and Manufacturing Processes.
Sodium-cooled Fast Reactor (SFR) is one of the generation IV (Gen-IV) nuclear reactors. Prototype Gen-IV SFR (PGSFR) is a SFR being developed in Korea Atomic Energy Research Institute (KAERI). Decay Heat Removal System (DHRS) in the PGSFR has a safet
Publikováno v:
IEEE Transactions on Magnetics. 43:2244-2246
The lattice Boltzmann method (LBM) is utilized to simulate the nanoscale flow physics of air bearings in the head-disk interface. In the high Knudsen number flow analysis of air bearings, the slip boundary model is very important to guarantee the acc