1–16 of 16 hits
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    Insight into the factors affecting the safety of take-off and landing of the ship-borne helicopter

    Cao, Yihua / Qin, Yihao | SAGE Publications | 2022
    Despite the important role and highly frequent appearance of the helicopter in modern ship operations, the flight mission with take-off and ...

    Numerical study on interference effects of the nacelle position on aerodynamic characteristics and nacelle intake performances

    Cao, Yihua / Qin, Yihao / Wang, Maosheng | SAGE Publications | 2024

    Insight into the interference effects of the nacelle position can be used to provide some guidance for achieving better aircraft

     ...

    Numerical simulation of parachute inflation: A methodological review

    Cao, Yihua / Nie, Shuai / Wu, Zhenlong | SAGE Publications | 2019
    behavior of canopy, and realization of the coupling between the fluid and structure. These challenges attract the attention of scholars worldwide ...

    Equilibrium characteristics and stability analysis of helicopter slung-load system

    Cao, Yihua / Wang, Zhaorui | SAGE Publications | 2017
    Based on rigid-body slung-load hypothesis, a nonlinear dynamical model of the helicopter and slung-load system is presented. As for ...

    Numerical simulation of parafoil inflation via a Robin–Neumann transmission-based approach

    Nie, Shuai / Cao, Yihua / Wu, Zhenlong | SAGE Publications | 2018
    –structure interaction simulation of the inflation process of a parafoil. The Reynold-averaged Navier–Stokes equations and the versatile finite ...

    Measurements of water film thickness on a wing surface in simulated heavy rain

    Wu, Zhenlong / Cao, Yihua | SAGE Publications | 2016
    aerodynamic coefficients are generally in good agreement with wind-tunnel experimental data. The impact of the interphase coupling on the aerodynamic ...

    Airfoil performance degradation by coupling effects of supercooled raindrop icing and heavy rainfall

    Wu, Zhenlong / Cao, Yihua | SAGE Publications | 2017
    Icing and rainfall are the two critical meteorological factors that threaten the aircraft flight safety. A number of previous studies have ...

    Studies of trims, stability, controllability, and some flying qualities of a tandem rotor helicopter

    Cao, Yihua / Li, Guozhi / Yang, Qian | SAGE Publications | 2009
    Two mathematical models for determining the trims of a tandem rotor helicopter were constructed separately using two technologies (momentum ...

    Numerical analysis of the airfoil flow fields and transonic blade-vortex interaction noise

    Cao, Yihua / Kang, Pengbin / Li, Xiaoyong | SAGE Publications | 2004
    selected as one of the grid surfaces. Firstly, the result of flow field under airfoil-vortex interaction can be obtained by solving the Euler ...

    Improved Taylor analogy breakup and Clark models for droplet deformation prediction

    Wu, Zhenlong / Lv, Benyin / Cao, Yihua | SAGE Publications | 2019
    The deformation of rain droplet at the leading edge of a wing is critical to the aerodynamic characteristics of the aircraft under heavy ...

    Heavy rain effects on aircraft longitudinal stability and control determined from numerical simulation data

    Wu, Zhenlong / Cao, Yihua / Ismail, M | SAGE Publications | 2015
    In this study, the effects of heavy rain on the longitudinal stability and control performance of the DHC-6 Twin Otter aircraft are ...

    Helicopter flight dynamics with simulated rainfall

    Li, Guozhi / Cao, Yihua | SAGE Publications | 2023
    in the rain conditions that can be capable of exploring UH-60A single-rotor helicopter flight dynamics in the rain conditions, including trim ...

    Airflow hazard prediction for helicopter flight in icing condition

    Cao, Yihua / Li, Guozhi / Sheridan, J | SAGE Publications | 2014
    A methodology to predict the airflow hazard of helicopter flight in icing conditions is developed. By incorporating the existent ice ...

    A hybrid trim strategy for coaxial compound helicopter

    Su, Yuan / Wang, Zeyuan / Cao, Yihua | SAGE Publications | 2023
    different from the conventional helicopter, the redundant control strategy design is one of the biggest challenges. In this study, the CCH model ...

    A coupled free-wake/panel method for rotor/fuselage/empennage aerodynamic interaction and helicopter trims

    Cao, Yihua / Lv, Shaojie / Li, Guozhi | SAGE Publications | 2015
    was developed to analyze aerodynamics interference of rotor wake, based on lifting-surface theory and vortex method, which relates the core ...

    Flowfield simulation and aerodynamic performance analysis of complex iced aerofoils with hybrid multi-block grid

    Cao, Yihua / Chen, Ke / Sheridan, J | SAGE Publications | 2008
    overcome the difficulty of generating structure grid on complex geometry, a point-to-point hybrid grid generation method is developed in this paper ...