采用King硼颗粒点火模型,研究固体火箭冲压发动机补燃室内温度、压强、氧气摩尔浓度、硼颗粒初始半径对硼颗粒点火的影响.计算结果......

The structure and modeling of a novel unmanned coaxial rotor ducted fan helicopter(RDFH)are introduced,and then,based on......

A novel coaxial ducted fan structure aircraft is proposed to enable the aircraft near vertical walls at high altitudes.T......

In order to analyze the hydrodynamic performance of the ducted propeller with high precision, this paper proposes a new ......

This article investigates the improvement of dynamics stability of the ducted fan unmanned aerial vehicles(UAVs) by opti......

An integrated hydrodynamics and control model to simulate tethered underwater robot system is proposed.The governing equ......