Experimental investigation of the load exerted by nonstationary internal solitary waves on a submerged slender body over a slope
Du, Hui; Wei, Gang; Gu, Mengmeng; Wang, Xinlong; Xu, Jiexin; Wei, G (reprint author), Univ Sci & Technol, Coll Meteorol & Oceanog, Nanjing 211101, Jiangsu, Peoples R China.
2016
发表期刊APPLIED OCEAN RESEARCH
卷号59页码:216-223
摘要Laboratory experiments are performed in a large stratified fluid flume to examine the characteristics of the load on a submerged slender body that is exerted by a nonstationary internal solitary wave (ISW) from its interaction with a gentle slope. The nonstationary ISW over the slope and its load on the body are measured by using multi-channel conductivity-probe arrays and a specially designed force measurement device, respectively, and the body's vertical and horizontal positions on the load are determined by analyzing the effects of the incident ISW's amplitude. The experimental"results show that the load on the slender body increases as the incident ISW's amplitude increases; additionally, the effect of oscillations is enhanced because of the ISW's distortion, breaking and fission. The oscillating action from fission waves becomes dominant as the amplitude reaches a certain value. Additionally, the load is correlated with body's vertical position relative to the pycnocline. The magnitudes of the vertical and horizontal forces reach a maximum and minimum in the pycnocline, respectively, and the horizontal force in this direction is the opposite above and below the pycnocline. Compared to a case without a slope, the load on the slender body increases because of the nonstationary ISW, and its effect on the maximum force is transferred to the pycnocline. When the body's horizontal position is located close to the top of the slope, the direction of the horizontal and vertical forces remains consistent, but its acting time becomes longer. In addition, high-frequency actions on the slender body are impacted by nonstationary ISWs near the slope's top. (C) 2016 Elsevier Ltd. All rights reserved.
部门归属[Du, Hui; Wei, Gang; Gu, Mengmeng; Wang, Xinlong] Univ Sci & Technol, Coll Meteorol & Oceanog, Nanjing 211101, Jiangsu, Peoples R China; [Xu, Jiexin] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China ; LTO
关键词Nonstationary Internal Solitary Waves Stratified Fluid Wave Evolution Slender Body's Load Gentle Slope
学科领域Engineering ; Oceanography
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/15249
专题热带海洋环境国家重点实验室(LTO)
通讯作者Wei, G (reprint author), Univ Sci & Technol, Coll Meteorol & Oceanog, Nanjing 211101, Jiangsu, Peoples R China.
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Du, Hui,Wei, Gang,Gu, Mengmeng,et al. Experimental investigation of the load exerted by nonstationary internal solitary waves on a submerged slender body over a slope[J]. APPLIED OCEAN RESEARCH,2016,59:216-223.
APA Du, Hui,Wei, Gang,Gu, Mengmeng,Wang, Xinlong,Xu, Jiexin,&Wei, G .(2016).Experimental investigation of the load exerted by nonstationary internal solitary waves on a submerged slender body over a slope.APPLIED OCEAN RESEARCH,59,216-223.
MLA Du, Hui,et al."Experimental investigation of the load exerted by nonstationary internal solitary waves on a submerged slender body over a slope".APPLIED OCEAN RESEARCH 59(2016):216-223.
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