The influence of bailers on the hydrodynamic performance of the seaplane

WANG Xiaoqiang; LAI Shuguang; XIAO Zhijian

doi:10.19693/j.issn.1673-3185.01798

Volume 16 Issue 2

Mar. 2021

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Chinese Journal of Ship Research > 2021 > 16(2): 30-35, 63. > DOI: 10.19693/j.issn.1673-3185.01798 CSTR: 32390.14.j.issn.1673-3185.01798

WANG X Q, LAI S G, XIAO Z J. The influence of bailers on the hydrodynamic performance of the seaplane[J]. Chinese Journal of Ship Research, 2021, 16(2): 30–35, 63. DOI: 10.19693/j.issn.1673-3185.01798

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The influence of bailers on the hydrodynamic performance of the seaplane

1.
Wuhan Second Military Representative Office, Naval Armament Department of PLAN, Wuhan 430064, China
2.
China Ship Development and Design Center, Wuhan 430064, China
3.
China Special Vehicle Research Institute, Jingmen 448035, China
4.
Aviation Key Scientific and Technological Laboratory of High Speed Hydrodynamic, Jingmen 448035, China

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Received Date: October 16, 2019
Revised Date: May 11, 2020
Available Online: March 29, 2021

This is an Open Access article distributed under the terms of the Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Objectives The hydrodynamic performance under different bailer conditions based on numerical and experimental methods was investigated.
Methods The hydrodynamic performance of the seaplane with different displacements under different speeds was studied using an experimental method, and the viscous flow field of the seaplane under three conditions（without bailer, bailer closed, bailer lowered) at different speeds was computed.
Results The results show that at the same displacement the total resistance and heave amplitude of the seaplane increase, the trim angle decreases, when the speed increases; with displacement increases, the total resistance, trim angle and heave amplitude of the seaplane increase; while the bailer lowers, the total resistance and heave amplitude of the seaplane increase, the trim angle decreases; the effect on the hydrodynamic performance is not obvious as the bailer closes.
Conclusions The results of this paper are of great significance to the optimal design of water pumping systems of the seaplane.
- seaplane,
- bailer,
- water-drawing efficiency,
- water-drawing load,
- hydrodynamic performance

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