Blar i NTNU Open på forfatter "Ryu, Jeongrim"

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    • A Dynamic Extremum Seeking Scheme Applied to Gas Lift Optimization 

      Krishnamoorthy, Dinesh; Ryu, Jeongrim; Skogestad, Sigurd (Journal article; Peer reviewed, 2019)
      This paper presents the application of a data-driven optimization scheme using transient measurements to a gas-lift optimization problem. Optimal operation of a gas-lifted field involves controlling the marginal gas-oil ...

    • Can flow oscillations during flow boiling deteriorate the heat transfer coefficient? 

      Park, Il Woong; Ryu, Jeongrim; Fernandino, Maria; Dorao, Carlos Alberto (Journal article; Peer reviewed, 2018)
      Two-phase flow instabilities have been identified as one of the impediments for achieving high heat flux in boiling systems due to their potential heat transfer deterioration. However, most of the fundamental characteristics ...

    • Dynamic Extremum Seeking Control Using ARX model 

      Ryu, Jeongrim (Master thesis, 2018)
      In the design of the dynamic ESC, a wave perturbation is decided to be not a sinusoidal wave but a pseudo-random binary sequence(PRBS) wave. The reason behind this is that diverse frequencies in the PRBS wave make the ARX ...