仿清道夫下唇结构除污性能分析

doi:10.13229/j.cnki.jdxbgxb.20230234

Abstract

Abstract:

A contact bionic decontamination structure was designed for the hard marine pollutants on the surface of marine facilities. The decontamination performance of different structures was tested by theoretical model and practical experiment， and the decontamination mechanism was analyzed according to the test results. The results show that when the maximum diameter （D_m） and the longitudinal reduction ratio （Y*） are the same， the diameter reduction ratio （D*） is between 6%~8%， the structure has better decontamination performance， and when D_m and D* are the same， the decontamination performance increases with the increase of Y*. Analysis of the reasons shows that D* and Y* are the main bionic structural parameters that affect tangential scraping force in the process of decontaminating. Proper design of D* and Y* can improve the decontaminating performance of the bionic decontaminating structure. Combined with simulation and actual test， it can be seen that the structure with D*=8% has the best decontamination performance.

Key words: mechanical design and theory, biomimetic structure, simulation and emulation, friction and wear, contact cleaning

CLC Number:

TH117.1

Shu-kun WANG,Yu-ze FENG,Jing-ran ZHANG,Xin-ming ZHANG,Long ZHENG. Analysis on decontamination performance of lower lip structure of imitation scavenger[J].Journal of Jilin University(Engineering and Technology Edition), 2025, 55(1): 392-400.

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生长阶段	黏结形式	黏结力/N	强度/MPa
介虫形幼虫	暂时黏结	<0.000 6	0.15~0.30
介虫形幼虫	永久黏结	<0.020	0.97
壳状幼虫	永久黏结	<0.350	0.17
成体	永久黏结	<180	0.93

结构名（D_m-Y-D）	磨损体积/mm³	数值顺序
1.8-2-4	0.016 654	5
1.8-2-5	0.016 742	4
1.8-2-6	0.017 232	1
1.8-2-8	0.017 064	2
1.8-2-10	0.016 843	3

结构名（D_m-Y-D）	磨损体积/mm³	数值顺序
1.8-6-4	0.016 964	5
1.8-6-5	0.017 024	4
1.8-6-6	0.017 652	2
1.8-6-8	0.017 984	1
1.8-6-10	0.017 314	3

结构名（D_m-Y-D）	磨损体积/mm³	数值顺序
1.4-2-4	0.015 027	5
1.4-2-5	0.015 489	3
1.4-2-6	0.015 898	1
1.4-2-8	0.015 687	2
1.4-2-10	0.015 365	4

编号	最大直径 D_m/mm	纵向缩减率 Y*/%	直径缩减率 D*/%
1	1.4	2	8
2	1.4	2	10
3	1.4	6	8
4	1.4	6	10
5	1.8	2	8
6	1.8	2	10
7	1.8	6	8
8	1.8	6	10

Analysis on decontamination performance of lower lip structure of imitation scavenger

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