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    Article

    The characteristics of biodiesel and oxygenated additives in a compression ignition engine

    In this study, experiments on the simultaneous reduction of smoke and NOx emissions of indirect-injection (IDI) diesel engines were conducted using a biodiesel fuel (BDF) and ethylene glycol mono-n-butyl ether...

    Hyung Gon Kim, Seung-Hun Choi in Journal of Mechanical Science and Technology (2013)

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    Article

    The effect of injection pressure and fuel viscosity on the spray characteristics of biodiesel blends injected into an atmospheric chamber

    An experimental study was conducted to examine the effect of injection pressure and fuel type on the spray tip penetration length and the angle of spray injected into atmospheric chamber. The objective of the ...

    Ainul Ghurri, Jae-Duk Kim, Hyung Gon Kim in Journal of Mechanical Science and Technolo… (2012)

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    Article

    Effect of the injection parameters on diesel spray characteristics

    The characteristics of the diesel spray have affected certain aspects of engine performance, such as the power, fuel consumption, and emissions. Therefore, this study was performed to investigate the effects o...

    Kyu Keun Song, Sang Cherl Sim in Journal of Mechanical Science and Technolo… (2005)

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    Article

    Microscopic spray characteristics in the effervescent atomizer with two aerator tubes

    An experimental study is performed on atomization characteristics and stable operating conditions for the injection of high viscous waste vegetable oil using an effervescent atomizer with 2 aerator tubes. Cons...

    Hyung Gon Kim, Toshiaki Yano, Kyu Keun Song, Torii Shuichi in KSME International Journal (2004)

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    Chapter and Conference Paper

    Design of Peer State Acquisition Mechanism for Efficient Dynamic HA Allocation at Diameter-Based AAA Server

    This Currently, IETF AAA Working Group has developed a new AAA protocol, Diameter, by upgrading the existing protocol, RADIUS. Diameter supports AAA framework over not only Dialup PPP service but also Mobile I...

    Hae Dong Lee, Byung Gil Lee, Hyung Gon Kim in Mobile Communications (2003)

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    Article

    Photoluminescence spectra of Zn1−xCdxAl2Se4 single crystals

    We investigated the photoluminescence spectra as well as the crystal structure and optical energy gaps of the Zn1-xCdxAl2Se4 single crystals grown by the chemical transport reaction method. It was shown from the ...

    Seung-Cheol Hyun, Chang-Dae Kim, Tae-Young Park in Journal of Materials Research (2000)

  7. No Access

    Article

    Optical absorption and the Burstein-Moss shift in heavily cobalt-doped Cd2CuGaSe4 crystals

    Chang-Dae Kim, Hyung-Gon Kim, Hae Yong Park in Journal of Materials Science Letters (1993)