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  1. No Access

    Article

    Optimization of water-saturated superabsorbent polymers for hydrate-based gas storage

    Gas hydrates are an environmentally benign and cost-effective gas storage media that can store gas molecules in a lattice formed by hydrogen bonds between water molecules. To utilize gas hydrates on an industr...

    Min-Kyung Kim, Geumbi Han, Hyeon** Kim, Jihee Yu… in Korean Journal of Chemical Engineering (2023)

  2. No Access

    Article

    Defect Susceptibility of Tensile Properties to Microporosity Variation in As-Cast Al–xSi Alloys

    The defect susceptibility of tensile properties to microporosity variation in as-cast Al–xSi (x = 2, 5, 8, 11) binary alloys was investigated in relation to the effective void area fraction, which includes the ar...

    Choongdo Lee, Jeongil Youn, Youngki Lee… in International Journal of Metalcasting (2017)

  3. No Access

    Chapter and Conference Paper

    Leveraging Children’s Behavioral Distribution and Singularities in New Interactive Environments: Study in Kindergarten Field Trips

    The behavior observations on young children in new, first-in-the-life environments have significant implications. We can often uniquely observe a child’s unforeseen interaction with the environment and peer-ch...

    Inseok Hwang, Hyukjae Jang, Taiwoo Park, Aram Choi, Youngki Lee… in Pervasive Computing (2012)

  4. No Access

    Chapter and Conference Paper

    Measurement and Estimation of Network QoS Among Peer Xbox 360 Game Players

    The research community has proposed several techniques for estimating the quality of network paths in terms of delay and capacity. However, few techniques have been studied in the context of large deployed app...

    Youngki Lee, Sharad Agarwal, Chris Butcher… in Passive and Active Network Measurement (2008)

  5. No Access

    Chapter and Conference Paper

    Distributions and Long-Range Correlations in the Trading of US Stocks

    We analyze the sequence of time intervals between consecutive stock trades of five large companies representing different sectors of the US economy over a period of four years. We show that independent of the ...

    Plamen Ch. Ivanov, Ainslie Yuen, Boris Podobnik… in The Application of Econophysics (2004)

  6. No Access

    Article

    Numerical simulation of the supersonic flows in the second throat ejector-diffuser systems

    The supersonic ejector-diffuser system with a second throat was simulated using CFD. A fully implicit finite volume scheme was applied to solve the axisymmetric Navier-Stokes equations and a standard k-ɛ turbu...

    Heuydong Kim, Youngki Lee, Toshiaki Setoguchi, Shen Yu in Journal of Thermal Science (1999)

  7. No Access

    Article

    Scaling of the Distribution of Shortest Paths in Percolation

    We present a scaling hypothesis for the distribution function of the shortest paths connecting any two points on a percolating cluster which accounts for (i) the effect of the finite size of the system and (ii...

    Nikolay V. Dokholyan, Youngki Lee, Sergey V. Buldyrev… in Journal of Statistical Physics (1998)