Výsledky vyhledávání - "Nak Won Sung"

Performance of radial-type metal foam diesel particulate filters

Autor: J. M. Lee, Gyubaek Cho, Nak Won Sung, K. O. Oh

Publikováno v: International Journal of Automotive Technology. 11:307-316

An analytical study of the performance of a radial-type, metal foam diesel particulate filter is reported. A mathematical model for the filtration and regeneration of soot in a metal foam filter was developed. Nickel foam was selected for the filter

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d202600efe5fed511bff5f3f35d44dda
https://doi.org/10.1007/s12239-010-0038-9

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Safety of the traditional Korean herbal medicine CGX: A 6-month repeated-dose study in rats

Autor: Jang Woo Shin, Chang-Gue Son, Hyeong-Geug Kim, Hye Jung Park, Nak Won Sung

Publikováno v: Journal of Ethnopharmacology. 128:221-229

Ethnopharmacological relevance CGX is a traditional Korean herbal medicine used to treat chronic liver diseases. Aim of study The purpose of this study was to evaluate the pharmaceutical safety of hepatoprotective herbal medicine, CGX via systemic 6-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b79b6acefdb4cc477462515246c985b2
https://doi.org/10.1016/j.jep.2010.01.019

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Optimization of Hydraulic Bifurcation by Computational Fluid Dynamics

Autor: Joon-Yong Yoon, Sin-Hyoung Kang, Nak-Won Sung, Seung-Kyu Kang

Publikováno v: Journal of Fluid Machinery. 10:7-13

This study proposes a modified bifurcation model with a computational fluid analysis according to variation of a bifurcation geometry. FLUENT is used for a calculation of the head losses in case of a generation and a pumping. The pressure, velocity f

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1cc86ab473f084cf68fe4a25adcae1a8
https://doi.org/10.5293/kfma.2007.10.1.007

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Modeling of Filtration for a Metal Foam Diesel Particulate Filter

Autor: Nak Won Sung, Kwon Oh Oh, Jeongmin Lee, Gyu Baek Cho

Publikováno v: Key Engineering Materials. :1153-1156

The filtration of soot in the metal foam DPF has been studied. INCOFOAM®HighTemp is selected for DPF material for its large specific area for filtration. The structural properties of the foam such as pore diameter, strut diameter and porosity are de

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f2af07e9fb9145505f3be6f03a5b8be7
https://doi.org/10.4028/www.scientific.net/kem.326-328.1153

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A study of the propagation of turbulent premixed flame using the flame surface density model in a constant volume combustion chamber

Autor: Sangsu Lee, Kyung Won Yun, Nak Won Sung

Publikováno v: KSME International Journal. 16:564-571

Three-dimensional numerical analysis of the turbulent premixed flame propagation in a constant volume combustion chamber is performed using the KIVA-3V code (Amsden et. al. 1997) by the flame surface density (FSD) model. A simple near-wall boundary c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::518c1a37ecd7f6fa8a90f61f2d27097a
https://doi.org/10.1007/bf03185086

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Multidimensional engine modeling: NO and soot emissions in a diesel engine with Exhaust Gas Recirculation

Autor: Nak Won Sung, Hong Suk Kim

Publikováno v: KSME International Journal. 15:1196-1204

The effects of EGR (Exhaust Gas Recirculation) on heavy-duty diesel engine performance, NO and soot emissions were numerically investigated using the modified KIVA-3V code. For the fuel spray, the atomization model based on the linear stability analy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b8b55e016466bdb2b0be7dc6965cd9d0
https://doi.org/10.1007/bf03185100

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Experimental Modeling of Polluted Air Dispersion in Street Canyons of Metropolitan

Autor: Nak-Won Sung, Hyoung-June Kim, Joon-Yong Yoon

Publikováno v: Fluid Machinery and Fluid Mechanics ISBN: 9783540897484

This paper investigates the two-dimensional polluted air dispersion in metropolitan street canyons using visualization. Recently, many papers have been written likely this. But, those treated old cities. The building of old cities has lower layers th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::00c5ac48d7f5d6f8c62b62410df50225
https://doi.org/10.1007/978-3-540-89749-1_22

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