Structure design and stability analysis of free-diving sediment trap

参数	数值
V/m3	1.35×10−4
$ {s_{\rm{f}}} $/m2	0.103
${{\boldsymbol{W}}_{\rm{s} } }$/N	23.35
${x_{\rm{s}}}$/m	$ {3.5 \times}{{10}}^{{-}{6}} $
${y_{\rm{s}}}$/m	$ {9}{.7\times}{{10}}^{-{7}} $
${{\textit{z}}_{\rm{s}}}$/m	−1.20×10−4
${\rho _{\rm{m}}}$/(kg∙m−3)	$ {1.8}{0}\times{{10}}^{{3}} $
${\rho _{\rm{w}}}$/(kg∙m−3)	$ {1.03\times}{{10}}^{{3}} $
g/(N∙m−2)	9.8

Table 2. Roll angle \begin{document}$\phi $\end{document} and pitch angle \begin{document}$\theta $\end{document}

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Table 2. Roll angle \begin{document}$\phi $\end{document} and pitch angle \begin{document}$\theta $\end{document}

$t/\Delta t$	横滚角$\phi /{(^ \circ })$	俯仰角$ \theta /{(^ \circ }) $
1	−0.029 4	1.622 2
2	5.318 5	−1.448 9
3	10.822 2	−1.226 4
4	14.926 3	1.709 3
5	16.728 1	6.190 2
6	15.984 9	10.909 1
7	12.972 5	14.679 4
8	8.443 1	16.596 0
9	3.558 1	16.217 4
10	−0.422 0	13.707 0
11	−2.567 2	9.791 0
12	−2.519 8	5.532 0

Table 3. Collection area ratio \begin{document}$s_{\text{f}}'/{s_{\text{f}}}$\end{document}
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Table 3. Collection area ratio \begin{document}$s_{\text{f}}'/{s_{\text{f}}}$\end{document}
$t/\Delta t$ $s_{\text{f}}'/{s_{\text{f}}}$ $t/\Delta t$ $s_{\text{f}}'/{s_{\text{f}}}$
1 0.999 6 7 0.942 7
2 0.995 4 8 0.948 0
3 0.982 0 9 0.958 4
4 0.965 8 10 0.971 5
5 0.952 1 11 0.984 4
6 0.944 0 12 0.994 4

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Rui WANG, Caoyang YU, Yiming ZHONG, Lian LIAN. Structure design and stability analysis of free-diving sediment trap[J]. Chinese Journal of Ship Research, 2023, 18(5): 104

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Paper Information

Category: Ship Design and Performance

Received: Jun. 4, 2022

Accepted: --

Published Online: Mar. 21, 2025

The Author Email:

DOI:10.19693/j.issn.1673-3185.02946

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Parameters of the FST prototype

Table 1. Parameters of the FST prototype

Table 2. Roll angle \begin{document}$\phi $\end{document} and pitch angle \begin{document}$\theta $\end{document}

Table 2. Roll angle \begin{document}$\phi $\end{document} and pitch angle \begin{document}$\theta $\end{document}

Table 3. Collection area ratio \begin{document}$s_{\text{f}}'/{s_{\text{f}}}$\end{document}

Table 3. Collection area ratio \begin{document}$s_{\text{f}}'/{s_{\text{f}}}$\end{document}