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Motion law and density influence of a submersible aerial vehicle in the water-exit process

Zhang, Qiang ; Hu, Jun-hua ; Feng, Jin-fu ; Xu, Bao-wei ; Liu, An

Fluid dynamics research, 2018-11, Vol.50 (6), p.65516 [Periódico revisado por pares]

IOP Publishing

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  • Título:
    Motion law and density influence of a submersible aerial vehicle in the water-exit process
  • Autor: Zhang, Qiang ; Hu, Jun-hua ; Feng, Jin-fu ; Xu, Bao-wei ; Liu, An
  • Assuntos: density influence ; motion law ; submersible aerial vehicle ; theoretical modeling ; water-exit
  • É parte de: Fluid dynamics research, 2018-11, Vol.50 (6), p.65516
  • Notas: FDR-100831.R1
    The Japan Society of Fluid Mechanics
  • Descrição: The water-exit process is a key step in connecting underwater navigation and air flight of a submersible aerial vehicle. In order to study motion law and density influence of the vehicle in the water-exit process, and taking into account the limitations of the experiment and numerical simulation in the study of the whole water-exit process, a theoretical modeling method is proposed. First, the vehicle's shape is presented, and the water-exit dynamic model is established by mechanics and motion analysis. Then, numerical simulation and theoretical modeling are used to calculate the water-exit motion under same conditions, and the validity of the water-exit model is verified by the calculation results. Finally, on basis of the established model, the water-exit motion of the vehicle with three different densities is calculated under different initial water-exit angles, axial velocities and thrusts, and the water-exit motion law and vehicle's density influence on the water-exit motion are obtained. The proposed method and obtained results can be used as effective guidance for the vehicle finishes the water-exit motion successfully.
  • Editor: IOP Publishing
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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