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On-line Access: 2023-08-18

Received: 2022-09-14

Revision Accepted: 2023-01-23

Crosschecked: 2023-08-18

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Jia-wang CHEN


Yongqiang GE


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Journal of Zhejiang University SCIENCE A 2023 Vol.24 No.8 P.692-709


Research on the sampling performance of a new bionic gravity sampler

Author(s):  Yongqiang GE, Jiamin HE, Jin GUO, Peihao ZhANG, Hao WANG, Ziqiang REN, Xiaoling LE, Ying WANG, Yuhong WANG, Jiawang CHEN

Affiliation(s):  Ocean College, Zhejiang University, Zhoushan 316021, China; more

Corresponding email(s):   arwang@zju.edu.cn

Key Words:  Deep-sea gravity sampling, Bionic sampler tube (BST), Non-smooth surface, Sampling performance, Drag reduction

Yongqiang GE, Jiamin HE, Jin GUO, Peihao ZhANG, Hao WANG, Ziqiang REN, Xiaoling LE, Ying WANG, Yuhong WANG, Jiawang CHEN. Research on the sampling performance of a new bionic gravity sampler[J]. Journal of Zhejiang University Science A, 2023, 24(8): 692-709.

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author="Yongqiang GE, Jiamin HE, Jin GUO, Peihao ZhANG, Hao WANG, Ziqiang REN, Xiaoling LE, Ying WANG, Yuhong WANG, Jiawang CHEN",
journal="Journal of Zhejiang University Science A",
publisher="Zhejiang University Press & Springer",

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%T Research on the sampling performance of a new bionic gravity sampler
%A Yongqiang GE
%A Jiamin HE
%A Jin GUO
%A Peihao ZhANG
%A Ziqiang REN
%A Xiaoling LE
%A Ying WANG
%A Yuhong WANG
%A Jiawang CHEN
%J Journal of Zhejiang University SCIENCE A
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%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A2200442

T1 - Research on the sampling performance of a new bionic gravity sampler
A1 - Yongqiang GE
A1 - Jiamin HE
A1 - Jin GUO
A1 - Peihao ZhANG
A1 - Hao WANG
A1 - Ziqiang REN
A1 - Xiaoling LE
A1 - Ying WANG
A1 - Yuhong WANG
A1 - Jiawang CHEN
J0 - Journal of Zhejiang University Science A
VL - 24
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%@ 1673-565X
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.A2200442

Gravity sampling is of vital importance for sampling seabed sediments and understanding submarine sedimentary environments and resources. In this study, a new bionic sampler tube (BST) with non-smooth surface for low-disturbance and rapid sampling is presented. The BST with depressions and swellings on its surface was designed on the model of the non-smooth surface of the dung beetle. Sufficient theoretical calculations, numerical simulations, and experimental tests were carried out to study its sampling performance. The penetration depth, sample length, and frictional drag of the sampler tube were calculated. The finite element model and the coupled Eulerian-Lagrangian (CEL) method were used to analyze and compare its sampling performance. Laboratory and field gravity sampling tests were conducted and the results demonstrated the advantages of the BST in improving sampling performance and in reducing adhesion and drag.


作者:葛勇强1,何家敏1,郭进1, 2,张培豪1,王豪1,2,任自强1,2,乐晓凌1,王荧1,2,王玉红1,陈家旺1,2,3


Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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