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Awards for Infringement of Design Patents

IEEE POWER ELECTRONICS MAGAZINE 2017年第1期4卷 48-49页

作者： MacCord, Art School of Naval Architecture and Ocean Engineering Huazhong University of Science and Technology Hubei Key Laboratory of Navel and Architecture and Ocean Engineering Hydrodynamics (HUST)

Discusses awards given out for infringement of design patents. Most of the time when we talk about patents, we are talking about utility patents, which protect the structure or function of a device. This column is about a different kind of patent, called a design patent. Design patents protect the ornamental appearance of an item. The primary components of a design patent are the drawings that show the appearance of the item to be protected. The few words that are involved in a design patent are simply to say that this is the front view, the side view, etc. Design patents are issued by the U.S. Patent and Trademark Office and provide a 14-year period of exclusivity.

关键词： Patents Design methodology

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Experimental investigation of water impact on a disk in pure and aerated water 13

Experimental investigation of water impact on a disk in pure...

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13th ISOPE Pacific/Asia Offshore Mechanics Symposium, PACOMS 2018

作者： Hong, Yao Wang, Benlong Liu, Hua School of Naval Architecture Ocean and Civil Engineering Shanghai Jiao Tong University China MOE Key Laboratory of Hydrodynamics Shanghai Jiao Tong University Shanghai China

ISBN: (纸本)9781880653869

The impact loads of a disk slamming into both pure and aerated water are investigated experimentally. The impact velocity of the disk (diameter = 140 mm) is 2 m/s. The pressure distribution and evolution of impact loads are recorded with the help of three mini pressure gauges and a force sensor. To minimize the influence of bubbles on the calmness of free surface, the bubble generator is improved with quartz covered on its surface and a flow mass controller is utilized to control the flux of gas introduced into the water precisely. The experimental results show the central region of the disk endures higher impact loads and the decline of impact loads along the radius is not uniform in pure water. For impact tests in aerated water, not only a reduction of impact loads but also a longer duration of impact loading is observed. Copyright © 2018 by the International Society of Offshore and Polar Engineers

关键词： Arctic engineering

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A Numerical Study of Passive Receptor-Mediated Endocytosis of Nanoparticles:The Effect of Mechanical Properties

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Computer Modeling in engineering & Sciences 2018年第8期116卷 281-300页

作者： Xinyue Liu Yunqiao Liu Xiaobo Gong Huaxiong Huang Key Laboratory of Hydrodynamics(Ministry of Education) Department of Engineering MechanicSchool of Naval ArchitectureOcean and Civil EngineeringShanghai Jiao Tong UniversityShanghai200240China. Department of Mathematics and Statistics York UniversityTorontoOntarioM3J1P3Canada.

In this work,a three-dimensional axisymmetric model with nanoparticle,receptor-ligand bonds and cell membrane as a system was used to study the quasi-static receptor-mediated endocytosis process of spherical nanoparticles in drug *** minimization of the system energy function was carried out numerically,and the deformations of nanoparticle,receptor-ligand bonds and cell membrane were *** show that passive endocytosis may fail due to the rupture of receptor-ligand bonds during the wrapping process,and the size and rigidity of nanoparticles affect the total deformation energy and the terminal wrapping *** results suggest that,in addition to the energy requirement,the success of passive endocytosis also depends on the maximum strength of the receptor-ligand bonds.

关键词： Receptor-mediated endocytosis nanoparticle uptake optimization method receptor-ligand bonds drug delivery

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Vortex-induced vibration of a circular cylinder with fairings 28

Vortex-induced vibration of a circular cylinder with fairing...

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28th International ocean and Polar engineering Conference, ISOPE 2018

作者： Liang, Shengping Wang, Jiasong Hu, Zhongming School of Naval Architecture Ocean and Civil Engineering Shanghai Jiao Tong University China MOE Key Laboratory of Hydrodynamics Shanghai Jiao Tong University Shanghai China

ISBN: (纸本)9781880653876

The research about response of a circular cylinder with fairings has been performed to control VIV previously, but not comprehensively. In the present study, the vibration of a circular cylinder with different fairings(=1200, 1050, 900, 750, 600, 450, is the character angle of fairings) was investigated experimentally in a wind tunnel. It was found that all the response here shows the typical VIV phenomenon, where the excitation was limited in a discrete range of velocities. The vortex shedding frequency also demonstrates the typical frequency lock-in. The attachment of fairings would lead to the expansion of initial branch. When the character angle is large, the amplitude is slightly smaller than that of circular cylinders. With the further decrease of character angle, the amplitude rises up again till =600. FFT spectrums of velocity downstream show the coexistence of natural frequency component and higher harmonics, which is related to vortex shedding modes. The fairings would induce frequent presence of high harmonics. Copyright © 2018 by the International Society of Offshore and Polar Engineers (ISOPE)

关键词： Circular cylinders

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Numerical investigation of the time-resolved bubble cluster dynamics by using the interface capturing method of multiphase flow approach

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Journal of hydrodynamics 2017年第3期29卷 485-494页

作者：陈瑛鲁传敬陈鑫李杰宫兆新 MOE Key Laboratory of Hydrodynamics School of Naval ArchitectureOcean and Civil EngineeringShanghaiJiao Tong UniversityShanghai 200240China

The present paper proposes a multiphase flow approach for capturing the time-resolved collapse course of bubble clusters in various geometrical *** simulation method is first verified by computing the dynamic behavior of an isolated vapor bubble placed in a uniform ambient *** comparison between the numerical result and the theoretical solution indicates that the method can accurately capture the bubble shape,the characteristic time and the extremely high pressure induced by the *** the simulation method is applied to investigate the behavior of two kinds of bubble clusters in hexagonal and cubic geometrical *** predicted collapsing sequence and the shape characteristics of the bubbles are generally in agreement with the experimental *** bubbles transform and break from the outer layer toward the inner *** each layer,the bubbles on the corner first change into a pea shape and cave before collapsing,then the bubbles on the sides begin to *** is also found that,in comparison with the case of an isolated single bubble,the central bubble in the cluster always contracts more slowly at the early stage and collapses more violently at the final stage.

关键词： Bubble cluster collapse numerical simulation cavitation model

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Contribution of concrete nitrogenation to global NOx uptake

Nature Cities

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Nature Cities 2024年第7期1卷 457-468页

作者： Ning Zhang Georg Schiller Hessam Azarijafari Zhi Cao Bin Xi Yuli Shan Huanyu Li Huabo Duan Jiakuan Yang Leibniz Institute of Ecological Urban and Regional Development Dresden Germany Department of Civil and Environmental Engineering Massachusetts Institute of Technology Cambridge MA USA College of Environmental Science and Engineering Nankai University Tianjin China Department of Civil and Environmental Engineering Politecnico Di Milano Milan Italy School of Geography Earth and Environmental Sciences University of Birmingham Birmingham UK Institute of Construction Materials Technische Universität Dresden Dresden Germany School of Naval Architecture Ocean and Civil Engineering Shanghai Jiao Tong University Shanghai China School of Environmental Science and Engineering Hubei Key Laboratory of Multi-media Pollution Cooperative Control in Yangtze Basin Huazhong University of Science and Technology Wuhan China

The renewal and expansion of the built environment within the context of rapid urbanization are imposing new benchmarks for resource management, particularly concerning the billions of tons of consumption and waste generation of concrete materials. The commercialization of carbonation in cementitious materials is underway, opening up possibilities for nitrogenation that has been well documented in recent experimental studies. Here we further utilize a dynamic model to estimate the mitigation potentials of NOxby the promotion of concrete nitrogenation in a global urbanization scenario, projecting its global health and economic benefits toward 2050. Our analysis reveals that concrete nitrogenation can theoretically contribute to a reduction in NOxemissions by approximately 3.4–6.9 Mt—or 6–13% of global industry-related emissions—in 2021. The cumulative economic potential is projected to exceed 150–160 trillion USD, accompanied by a NOxmitigation of 131–384 Mt between 2021 and 2050, equivalent to 75–260 years potentially lost to premature death and reduced quality of life (estimated in terms of disability-adjusted life years). However, both carbonation and nitrogenation techniques rely on the availability of alkaline reactive components within the material, leading to competition. Although significant uncertainty remains, our comparison reveals that, in most regions, promoting the commercialization of nitrogenation exhibits higher feasibility and prioritization over carbonation in relation to both economic and environmental benefits.

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微循环中红细胞传质效率的数值分析

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医用生物力学 2021年第S1期36卷 329-329页

作者： WANG Xiaolong Satoshi Ii Shigeho Noda Shigeho Noda JING Peng LIU Deyun GONG Xiaobo Key Laboratory of Hydrodynamics(Ministry of Education) Department of Engineering MechanicsSchool of Naval ArchitectureOcean and Civil EngineeringShanghai Jiao Tong UniversityShanghai 200244China Department of Mechanical Systems Engineering Tokyo Metropolitan UniversityTokyoJapan Department of Mechanical Science and Bioengineering School of Engineering ScienceOsaka UniversityOsaka 560-8531Japan Advanced Center for Computing and Co mmunication(ACCC) RIKENWakoJapan

目的揭示不同直径血管中复杂细胞运动形态对于传质的影响,有助于对人体内物质跨膜输运机制的理解。此外,作为潜在的药物输运载体,了解红细胞运动变形与传质之间的关系有助于设计更有效的药物传输方式。方法基于之前提出的浸入边界数值方... 详细信息

目的揭示不同直径血管中复杂细胞运动形态对于传质的影响,有助于对人体内物质跨膜输运机制的理解。此外,作为潜在的药物输运载体,了解红细胞运动变形与传质之间的关系有助于设计更有效的药物传输方式。方法基于之前提出的浸入边界数值方法,对微循环复杂流动影响下的单细胞传质特性进行数值分析,讨论了细胞膜渗透系数、管道直径。

关键词：体内物质微循环管道直径数值分析传质效率红细胞传质特性运动变形

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Experimental study of solitary wave interaction with vertical structures 28

Experimental study of solitary wave interaction with vertica...

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28th International ocean and Polar engineering Conference, ISOPE 2018

作者： Li, Lei Zhang, Jingxin Chen, Jack M. Zhao, Xuanyu Department of Naval Architecture Ocean and Marine Engineering University of Strathclyde Glasgow United Kingdom MOE Key Laboratory of Hydrodynamics Shanghai Jiao Tong University Shanghai China Department of Engineering University of Cambridge Cambridge United Kingdom

ISBN: (纸本)9781880653876

laboratory experiments have been carried out in a piston-driven wave flume to investigate the solitary wave impact on three types of vertical cylindrical objects, including the vertical cylinder, cone and bell-shaped lighthouse structure. First, the quality of the generated waves is examined by comparing their profiles with the theoretical solutions. The range of piston movements that generates good-quality solitary waves is determined. The scattering of solitary waves around geometrically different vertical structures is then focused on. The wave heights around the structures are measured in detail, from which the wave impact force is derived. The results regarding vertical cylinders agree well with the past research outcomes. It shows that the vertical cone structure experiences the largest impact force. Although the bell-shaped lighthouse structure incurs slightly larger impact force than the vertical cylinder, it has a much larger and thus more stable base to resist the overturning moment. The findings confirm the good mechanical performance of some of the old lighthouse structures, which have existed for around 200 years. Copyright © 2018 by the International Society of Offshore and Polar Engineers (ISOPE)

关键词： Solitons

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The spilling effects of an ocean mining pipe applied with compressible fluid inside 25

The spilling effects of an ocean mining pipe applied with co...

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25th International Congress on Sound and Vibration 2018: Hiroshima Calling, ICSV 2018

作者： Zhang, Wei Li, Ye China Ship Development and Design Center Hubei Wuhan430064 China State Key Laboratory of Ocean Engineering School of Naval Architecture Ocean and Civil Engineering Shanghai Jiao Tong University Shanghai200240 China

ISBN: (纸本)9781510868458

A major concern about the harsh marine environment is that it may undermine overwhelmingly the ocean mining pipe and cause serious vibration. These external factors may lead to serious oil spills and destroy the home to diverse fish, seabird, and marine mammal populations. Given this, the current study aims to study how the oscillating phenomenon affect the leaking pipe by numerical method with simulating the marine environment and pipe. It is found that the pipe vibrates seriously and hence the occurrence of the leaking accident is accelerated if the internal velocity is large or the leak is at the top of the pipe. Copyright © (2018) by International Institute of Acoustics & *** rights reserved.

关键词： Fluid structure interaction

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Subsea cable tracking by a 5-DOF AUV 36

Subsea cable tracking by a 5-DOF AUV

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第36届中国控制会议

作者： Jialei Zhang Xianbo Xiang School of Naval Architecture and Ocean Engineering Huazhong University of Science and Technology Hubei Key Laboratory of Navel and Architecture and Ocean Engineering Hydrodynamics(HUST)

ISBN: (纸本)9781538629185

The changes of the marine environment which are caused by natural factors and human activities greatly affect the subsea *** inspection and maintenance for subsea cables are in *** this paper,a subsea cable detection and tracking system is discussed which depends on the passive magnetic sensing *** route information of subsea cable is detected by a tri-axial electromagnetic arrays and an altimeter which are mounted in the autonomous underwater vehicle（AUV） *** on the detection result,the cable detection and inspection mission is elaborately constructed as a classic path following control *** line-of-sight（LOS） guidance is built based on the relative geometric relationship between the vehicle and the reference *** the cable tracking control strategy for the AUV in three-dimensional（3D） space is proposed,in which the LOS guidance,feedback linearization technique are *** feasibility of the method is proved by numerical simulation results.

关键词： AUV Path Following LOS Guidance Subsea Cable Electromagnetic Sensor

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