Search Results - "Dong-eok Kim"

Dynamic Equivalent Model of Wind Power Plant Using Parameter Identification by Kim, Dong-Eok, El-Sharkawi, Mohamed A

“…The dynamic performance of wind power plants is difficult to model because of the large number of turbines that operate stochastically, with little information…”
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Feedback Linearization Control of Three-Phase UPS Inverter Systems by Kim, Dong-Eok, Lee, Dong-Choon

“…In this paper, a feedback linearization technique is proposed to control the output voltage control of three-phase uninterruptible power supply systems. First,…”
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Dynamic Equivalent Model of Wind Power Plant Using an Aggregation Technique by Kim, Dong-Eok, El-Sharkawi, Mohamed A.

“…In this study, we developed a dynamic equivalent model for large-scale wind power plants based on an aggregation technique. The model is obtained in steps that…”
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Droplets behavior impacting on a hot surface above the Leidenfrost temperature by Hamdan, Khaleel Sami, Kim, Dong-Eok, Moon, Sang-Ki

“…•The droplet behaviors impacting on a hot surface above the Leidenfrost temperature has been performed.•The droplet diameters, velocities, and spreading…”
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Dynamic wetting and boiling characteristics on micro-structured and micro/nano hierarchically structured surfaces by Moon, Hyun Wook, Yoon, Young Joong, Park, Jeong Ho, Myung, Byung-Soo, Kim, Dong Eok

“…•The dynamic wetting experiments on micro-structured surfaces were conducted.•The pool boiling tests on the identical surfaces were performed.•The experiments…”
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Similarity evaluation of the pump simulation loop in STELLA-2 for conservation of mechanical sodium pump characteristics by Jung Yoon, Jewhan Lee, Jaehyuk Eoh, Hyungmo Kim, Dong Eok Kim

“…The STELLA-2 is a large-scale sodium thermal-hydraulic integral effect test facility and supports the development of PGSFR. The facility adopted Pump…”
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Experimental study on single- and two-phase flow behaviors within porous particle beds by Jong Seok Oh, Sang Mo An, Hwan Yeol Kim, Dong Eok Kim

“…In this study, the pressure drop behavior of single- and two-phase flows of air and water through the porous beds filled with uniform and non-uniform sized…”
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Droplet dynamics on superheated surfaces with circular micropillars by Park, Junseok, Kim, Dong Eok

“…•Water and ethanol droplet dynamics on superheated surfaces are investigated.•Effects of micron-sized surface textures on droplet physical behaviors are…”
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Review of boiling heat transfer enhancement on micro/nanostructured surfaces by Kim, Dong Eok, Yu, Dong In, Jerng, Dong Wook, Kim, Moo Hwan, Ahn, Ho Seon

“…•A state of art of boiling heat transfer on micro/nano structured surface was introduced.•The technique of micro/nano structures fabrication was…”
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Local phase and thermal behaviors in pool boiling on different wettability surfaces by Eok Kim, Dong, Seok Oh, Jong

“…•Phase distribution on boiling surface is visualized using high-speed photography.•The surface wettability effects on boiling process are investigated.•Surface…”
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Experimental investigation of microbubble generation in the venturi nozzle by Lee, Chang Hun, Choi, Hong, Jerng, Dong-Wook, Kim, Dong Eok, Wongwises, Somchai, Ahn, Ho Seon

“…•The Venturi nozzle design with entry and exit angles, which leads the self-sucked air flow.•Microbubbles generation regarding to entry and exit angles.•High…”
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Experimental investigation of heat transfer in vertical upward and downward supercritical CO2 flow in a circular tube by DONG EOK KIM, KIM, Moo-Hwan

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Effects of liquid subcooling on droplet-wall collision heat transfer in film boiling by Lee, Hyunwoong, Kim, Dong Eok, Park, Junseok, Kim, Hyungdae

“…•Explored the effects of liquid subcooling on droplet-wall collision in film boiling.•Liquid subcooling remarkably affected the extent of droplet collision…”
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Experimental study of the effects of flow acceleration and buoyancy on heat transfer in a supercritical fluid flow in a circular tube by Kim, Dong Eok, Kim, Moo Hwan

“…Experiments on turbulent heat transfer by supercritical CO 2 in a vertical upward flow were conducted in a tube with an inner diameter of 4.5 mm. The…”
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The Role of Secondary-lateral Branch Leaves as a Source of Assimilates for Watermelon Fruit During Fruit Ripening Period by Choi, Eun-Young, Cho, Il-Hwan, Do, Kyung-Ran, Kim, Dong-Eok, Woo, Young-Hoe

“…This study examined the contribution of leaves on the secondary-lateral branches to sucroseconcentration in the fruit of watermelon (Citrullus lanatus )…”
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Critical heat flux triggering mechanism on micro-structured surfaces: Coalesced bubble departure frequency and liquid furnishing capability by Kim, Dong Eok, Yu, Dong In, Park, Su Cheong, Kwak, Ho Jae, Ahn, Ho Seon

“…•The limitations of existing CHF models on micro-structured surfaces were indicated.•The fabrication method of micro-structured surfaces and the facility was…”
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Numerical investigation on thermal–hydraulic performance of new printed circuit heat exchanger model by Kim, Dong Eok, Kim, Moo Hwan, Cha, Jae Eun, Kim, Seong O.

“…Three-dimensional numerical analysis was performed to investigate heat transfer and pressure drop characteristics of supercritical CO 2 flow in new Printed…”
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Enhanced critical heat flux by capillary driven liquid flow on the well-designed surface by Kim, Dong Eok, Park, Su Cheong, Yu, Dong In, Kim, Moo Hwan, Ahn, Ho Seon

“…Based on the unique design of the surface morphology, we investigated the effects of gravity and capillary pressure on Critical heat flux (CHF). The…”
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Behavior of pool boiling heat transfer and critical heat flux on high aspect-ratio microchannels by Kwak, Ho Jae, Kim, Jin Hyun, Myung, Byung-Soo, Kim, Moo Hwan, Kim, Dong Eok

“…We conducted pool-boiling experiments and investigated the physical mechanism of boiling heat transfer and critical heat flux (CHF) on heating surfaces with…”
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Influence of different cultivation systems on bioactivity of asparagus by Ku, Yang Gyu, Kang, Dong Hyeon, Lee, Choung Keun, Lee, Si Young, Ryu, Chan Seok, Kim, Dong Eok, Polovka, Martin, Namieśnik, Jacek, Gorinstein, Shela

“…[Display omitted] •Three cultivation growing systems of Asparagus officinalis L. (AOL) were compared.•Polyphenols and flavonoids were the highest in…”
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