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  1. Article

    Open Access

    Dispersion of Entropy Perturbations Transporting through an Industrial Gas Turbine Combustor

    In the context of combustion noise and combustion instabilities, the transport of entropy perturbations through highly simplified turbulent flows has received much recent attention. This work performs the firs...

    Yu **a, Ignacio Duran, Aimee S. Morgans, **ngsi Han in Flow, Turbulence and Combustion (2018)

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  2. No Access

    Article

    Large Eddy Simulation of Flow Control Around a Cube Subjected to Momentum Injection

    The concept of Momentum Injection (MI) through Moving Surface Boundary layer Control (MSBC) applied to a cubic structure is numerically studied using Large Eddy Simulation at a Reynolds number of 6.7×104. Two sma...

    **ngsi Han, Siniša Krajnović in Flow, Turbulence and Combustion (2014)

  3. No Access

    Article

    Calibration of a new very large eddy simulation (VLES) methodology for turbulent flow simulation

    Following the idea of Speziale’s Very Large Eddy Simulation (VLES) method, a new unified hybrid simulation approach was proposed which can change seamlessly from RANS (Reynolds-Averaged Navier-Stokes) to LES (...

    **ngSi Han, TaoHong Ye, YiLiang Chen in Science China Physics, Mechanics and Astronomy (2012)

  4. No Access

    Chapter and Conference Paper

    Study of Active Flow Control for a Simplified Vehicle Model Using PANS Turbulence Model

    Flow control has shown a potential in reducing the drag in vehicle aerodynamics. Its effects are highly related to the flow structures, including small ones, and thus accurate predictions of the flow field are...

    **ngsi Han, Siniša Krajnović, Branislav Basara in Progress in Hybrid RANS-LES Modelling (2012)

  5. No Access

    Chapter and Conference Paper

    A New Very Large Eddy Simulation Model for Simulation of Turbulent Flow

    Among various hybrid RANS/LES methodologies, Speziale’s Very Large Eddy Simulation (VLES) is one that was early proposed and is a unified simulation approach that can change seamlessly from RANS to DNS dependi...

    **ngsi Han, Siniša Krajnović in Progress in Hybrid RANS-LES Modelling (2012)

  6. No Access

    Article

    A new compressibility modification k-ε turbulence model with shock unsteadiness effect

    A new compressibility modification k-ε model, including shock unsteadiness effect and the previous compressibility modification of pressure dilatation and dilatational dissipation rate, was developed with a simpl...

    **ngSi Han, TaoHong Ye, MinMing Zhu, YiLiang Chen in Chinese Science Bulletin (2008)

  7. No Access

    Article

    Simulation of bluff body stabilized flows with hybrid RANS and PDF method

    The motivation of this study is to investigate the turbulence–chemistry interactions by using probability density function (PDF) method. A consistent hybrid Reynolds Averaged Navier–Stokes (RANS)/PDF method is...

    Minming Zhu, **ngsi Han, Haiwen Ge, Yiliang Chen in Acta Mechanica Sinica (2007)

  8. No Access

    Article

    Numerical investigation of transpiration and ablation cooling

    To predict the integral performance of transpiration and ablation cooling during the reentry of hypersonic vehicles, an unsteady numerical model based on the assumption of thermal equilibrium is presented. The...

    Jianhua Wang, **ngsi Han in Heat and Mass Transfer (2007)