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  1. No Access

    Chapter and Conference Paper

    Drag Reduction for Transonic Wings Combining Reduced Wing Sweep with Shock Control

    In this paper, the potential of unlocking wing sweep on aircraft drag reduction is explored in the context of recent development in shock control by three dimensional bumps on natural laminar flow(NLF) wings. ...

    Ning Qin in 28th International Symposium on Shock Waves (2012)

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    Chapter and Conference Paper

    Numerical Simulation of Thermal-Chemical Non-equilibrium and Radiating Hypersonic Flow

    When a reentry capsule flies at a high speed through the earth atmosphere, the temperature of the shock layer formed around it may become sufficiently high to emit a significant amount of radiation. The radiat...

    Yibin Wang, Ning Qin, Xueqiang Liu in 28th International Symposium on Shock Waves (2012)

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    Chapter and Conference Paper

    Surrogate-Based Multi-objective Aerothermodynamic Design Optimization of Hypersonic Spiked Bodies

    Among various design requirements, reducing both drag and aerodynamic heating is the most crucial in the design of hypersonic vehicles. Pointed slender bodies generate lower drag compared with blunt bodies at ...

    M. Y. M. Ahmed, Ning Qin in 28th International Symposium on Shock Waves (2012)

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    Chapter and Conference Paper

    Sparse Quasi- Newton Method for Navier- Stokes Solution

    A sparse finite difference Newton method and a sparse quasi-Newton method have been applied to the Navier-Stokes solution. Much faster convergence to the steady state has been achieved compared to the conventi...

    Ning Qin, Bryan E. Richards in Proceedings of the Eighth GAMM-Conference … (1990)