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中国海洋工程（英文版）
中国海洋工程（英文版）

左其华

季刊

0890-5487

coes@nhri.cn

025-83734321

210024

南京市虎踞关34号

中国海洋工程（英文版）/Journal China Ocean EngineeringCSCDCSTPCD北大核心EISCI
查看更多>> China Ocean Engineering（简称COE）是中国科学技术协会主管、中国海洋学会主办、南京水利科学研究院编辑的英文版综合性、高科技学术季刊（刊号ISSN 0890 - 5487, CN32 – 1441 / P），于1987年创刊，每期180 ± 6页。国际订价：360美元 / 卷，国内订价：800元 / 卷。 COE办刊宗旨：向国外介绍我国与海洋工程有关的研究、设计、试验、生产、使用、管理等方面的成果以及学术动态，扩大对外宣传和交流，展示我国的研究水平。主要刊载：离岸工程、海洋工程、海洋能源利用工程、海洋环境保护工程、水下工程、潜水技术、救捞技术等方面的稿件。稿件形式：学术论文、研究简报、综合评论、调查报告、成果介绍等。COE编委会成员26人，编委会名誉主任严 恺教授 (两院院士)，编委会主任邱大洪教授 (中科院院士)，还有11位两院院士、6位海外学者和7位国内海洋工程界著名教授专家担任编委，本刊所刊载的论文均是在国内外首次发表的科技学术论文，不是《海洋工程》（中文版）的翻译版。 20年来，COE登载有国内大专院校、科研机构以及工程单位的两院院士和专家教授的论文；还登载一些欧美、澳洲、日本、韩国、印度、土耳其等国家及我国香港、台湾著名学者的论文；有些是中国学者与欧美、澳洲、日本、韩国、新加坡等国学者合作完成研究成果。近五年来，COE刊登论文中有近80%得到各类基金资助、有近20%是国际或国际合作完成，COE的基金论文比和国际论文比，都位居国内5300余种学术期刊的前列。 COE获中国科协、国家基金委1999年度国家自然科学基础性、高科技学术期刊专项基金资助；获中国科协2002、2003、2004和2005年度高科技学术期刊专项基金资助；获得中国科协2002年度重点期刊编辑部专项设备基金资助；获2007~2008年度国家自然科学基金重点学术期刊专项基金资助。COE目前已列入国家科技部中国科技论文统计核心源期刊，并被美国《科学引文索引》( SCI-E )；美国《工程索引》( EI Compendex)；俄罗斯《文摘杂志》（PЖ，AJ）；日本《科学技术文献速报》（CBST）；美国《剑桥科学文摘》(CSA)；美国《应用力学评论》(AMR)； 美国《石油文摘》（PA）；等国内外18家权威检索数据库收录，在SCI-JCR公布的2001~ 2006年度国际海洋工程主题学科期刊影响因子指标中，COE均排名国际同类刊物的前十位（其中2003年度排名第七位，2005、2006年度排名第八位）。COE目前在国际海洋工程界已具有一定的知名度，并为我国海洋工程界专家、学者提供了一个在国际同行中展示自己的研究实力和水平，提高和扩大他们在国际学术领域的声望和影响的平台。COE也是我国、中国科协及江苏省的科技学术期刊中，在国际期刊界中为数不多具有影响力的专业学术期刊。COE作为国内外本行业学术界十分重要的传播和交流平台，为国家发掘培养出一大批海洋科学领域的杰出科技人才，如：两院院士；国务院学科评议组成员；长江学者；国家及省部级重点实验室主任；首席科学家；国家攻关项目负责人；上百位教授、博导和一大批博士、博士后；还有些专家学者是光华工程科技奖、国家和省部级科技进步奖、国家重大基金、国家杰出青年基金和国家基金获得者。近几年来，编辑部集体和个人取得的业绩得到上级部门的肯定和表彰，具体表现为：参评的两篇论文分别荣获“第二届（2004年）、第四届（2006年）中国科协期刊优秀学术论文奖”；COE进入首届和第二届“江苏期刊方阵”；副主编唐仁楠和编辑部主任吴永宁先后获“中国科技期刊优秀编辑奖—金牛奖”；吴永宁获“中国科技期刊青年编辑奖—骏马奖”和“江苏省科技期刊编辑学会—金马奖”；编辑部编辑杨 红获江苏省科学技术期刊编辑学会“优秀编辑”荣誉称号；吴永宁获“中国海洋学会优秀会员”荣誉称号，吴永宁被中国海洋学会期刊工作委员会和中国科学技术期刊编辑学会学术委员会聘任为委员，当选为江苏省期刊协会理事、江苏省科学技术期刊编辑学会常务理事。欢迎海内外海洋工程界的朋友们踊跃向本刊投稿。我们对高水平，特别是具有原创性的科学研究论文；对解决国际同行关注的难点与热点问题的论文；对国际合作项目、受国内外各类基金资助项目及重大科研经费资助项目完成的论文非常感兴趣，这类论文我们会安排优先发表。
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    Hydrodynamic Performance of An Integrated System of Breakwater and A Multi-Chamber OWC Wave Energy Converter

    NING De-zhiZHANG Xiang-yuWANG Rong-quanZHAO Ming...
    543-556页
    查看更多>>摘要：A multi-chamber oscillating water column wave energy converter(OWC-WEC)integrated to a breakwater is investi-gated.The hydrodynamic characteristics of the device are analyzed using an analytical model based on the linear potential flow theory.A pneumatic model is employed to investigate the relationship between the air mass flux in the chamber and the turbine characteristics.The effects of chamber width,wall draft and wall thickness on the hydrodynamic performance of a dual-chamber OWC-WEC are investigated.The results demonstrate that the device,with a smaller front wall draft and a wider rear chamber exhibits a broader effective frequency bandwidth.The device with a cham-ber-width-ratio of 1:3 performs better in terms of power absorption.Additionally,results from the analysis of a triple-chamber OWC-WEC demonstrate that reducing the front chamber width and increasing the rearward chamber width can improve the total performance of the device.Increasing the number of chambers from 1 to 2 or 3 can widen the effective frequency bandwidth.
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    Study of the Lift Force Induced by An Interceptor on A High-Speed Mono-Hull:The Affecting Factors and Estimation Formula

    DENG RuiHU Yu-xiaoHUANG Si-chongSONG Zhi-jie...
    557-571页
    查看更多>>摘要：To find a better way to estimate the lift force induced by an interceptor on a high-speed mono-hull ship,a series of high-speed mono-hull ship models are designed and investigated under different conditions.Different lift forces are obtained by numerical calculations and validated by a model test in a towing tank.The factors that influence the force are the interceptor height,velocity,draft,and deadrise angle.The relationship between each factor and the induced lift force is investigated and obtained.We found that the induced lift mainly depends on the interceptor height and advancing velocity,and is proportional to the square of the interceptor height and velocity.The results also showed that the effects of the draft and deadrise angle are relatively less important,and the relationship between the induced lift and these two factors is generally linear.Based on the results,a formula including the combined effect of all factors used to estimate the lift force induced by the interceptor is developed based on systematic analy-sis.The proposed formula could be used to estimate the lift force induced by interceptors,especially under high-speed condition.
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    Quantitative Analysis of Frosting Characteristics on the Drip Tray of A Cryogenic Valve for LNG Ships

    BAI XuCHEN Guan-yuDU YueXU Cao...
    572-585页
    查看更多>>摘要：Cryogenic valves play a crucial role in the production and transportation of liquefied natural gas(LNG),and are primarily responsible for efficiently controlling the inflow and outflow of LNG and regulating pressure.However,due to their operation in low-temperature and high-humidity environments,crucial components such as drip trays are susceptible to frosting,which may lead to LNG leakage,thereby causing severe safety incidents.In this study,the user-defined function(UDF)is employed to redevelop Fluent,which integrates the frost growth model with the Eulerian multiphase flow model,to conduct a quantitative analysis of frosting on drip trays of cryogenic valves.The effects of environmental parameters,such as wind speed,ambient temperature,air humidity,and cold surface temperature on the growth of the frost layer were analyzed.This study reveals a limiting wind speed between 1 m/s and 2 m/s.Upon reaching this limit speed,the growth of the frost layer reaches its maximum,and further increases in the wind speed have no significant effect on the growth of the frost layer.Furthermore,the influence of the change in the flow field on droplet impingement and freezing during the growth of the frost layer is considered through the coupling method of the kinematic charac-teristics of water droplets and the collection coefficient of water droplets.This study identifies the influence of different parameters on the droplet impact efficiency,leading to the modification of the frost layer on the drip tray.
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    Experimental Study on the Sinking and Leveling of A Large-Capacity Offshore Wind Turbine Five-Bucket Foundation in Sand

    LIAN Ji-jianZHU HangGUO Yao-huaWANG Hai-jun...
    586-601页
    查看更多>>摘要：As offshore wind farms expand into deeper and farther ocean regions and the unit capacity of offshore wind turbines(OWTs)increases,there is a pressing need for a new foundation structure that can accommodate deep-sea conditions and support large capacities while maintaining economical and safe.To meet this goal of integrated transportation and one-step installation,a novel five-bucket jacket foundation(FBJF),with its suction installation and leveling methods in sand,has been proposed,analyzed and experimentally studied.First,seepage failure experiments of the FBJF at various depths were conducted,and a formula for calculating the critical suction of seepage failure suitable for the FBJF in sand was chosen and recommended for use with a range of values for the permeability coefficient ratio.Second,through leveling experiments of the FBJF at different depths,the maximum adjustable leveling angle during the sinking process was defined using seepage failure and the adjustable leveling angle of the foundation as control criteria.Various leveling control strategies were proposed and verified.Finally,an automatic sinking and lev-eling control system for the FBJF was developed and experimentally verified for feasibility.
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    Wave Attenuation and Turbulence Driven by Submerged Vegetation Under Current-Wave Flow

    HUANG Yu-mingDing LeiWANG Yi-feiCHEN Ben...
    602-611页
    查看更多>>摘要：A set of laboratory experiments are carried out to investigate the effect of following/opposing currents on wave atten-uation.Rigid vegetation canopies with aligned and staggered configurations were tested under the condition of various regular wave heights and current velocities,with the constant water depth being 0.60 m to create the desired submerged scenarios.Results show that the vegetation-induced wave dissipation is enhanced with the increasing incident wave height.A larger velocity magnititude leads to a greater wave height attenuation for both following and opposing current conditions.Moreover,there is a strong positive linear correlation between the damping coefficient β and the relative wave height H0/h,especially for pure wave conditions.For the velocity profile,the distributions of Umin and Umax show different patterns under combined wave and current.The time-averaged turbulent kinetic energy(TKE)vary little under pure wave and Uc=±0.05 m/s conditions.With the increase of flow velocity amplitude,the time-averaged TKE shows a particularly pronounced increase trend at the top of the canopy.The vegetation drag coefficients are obtained by a calibration approach.The empirical relations of drag coefficient with Reynolds and Keulegane-Carpenter numbers are proposed to further understand the wave-current-vegetation interaction mechanism.
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    Experimental Study of Local Scour Around Four Piles Under Different Attack Angles and Gap Ratios

    LIU Ming-mingTANG Guo-qiangJIN XinGENG Shao-yang...
    612-624页
    查看更多>>摘要：In an effort to investigate and quantify the patterns of local scour,researchers embarked on an in-depth study using a systematic experimental approach.The research focused on the effects of local scour around a set of four piles,each subjected to different hydromechanical conditions.In particular,this study aimed to determine how different attack angles—the angles at which the water flow impinges on the piles,and gap ratios—the ratios of the spacing between the piles to their diameters,influence the extent and nature of scour.A comprehensive series of 35 carefully designed experiments were orchestrated,each designed to dissect the nuances in how the gap ratio and attack angle might contribute to changes in the local scour observed at the base of pile groups.During these experimental trials,a wealth of local scour data were collected to support the analysis.These data included precise topographic profiles of the sediment bed around the pile groups,as well as detailed scour time histories showing the evolution of scour at strategic feature points throughout the test procedure.The analysis of the experimental data provided interesting insights.The study revealed that the interplay between the gap ratio and the attack angle had a pronounced influence on the scouring dynamics of the pile groups.One of the key observations was that the initial phases of scour,particularly within the first hour of water flow exposure,were characterized by a sharp increase in the scour depth occurring immediately in front of the piles.After this initial rapid development,the scour depth transitioned to a more gradual change rate.In contrast,the scour topography around the piles continuously evolved.This suggests that sediment dis-placement and the associated sculpting of the seabed around pile foundations are sustained and progressive processes,altering the underwater landscape over time.The results of this empirical investigation have significant implications for the design and construction of offshore multi-pile foundations,providing a critical reference for engineers and designers to estimate the expected scour depth around such structures,which is an integral part of decisions regarding foundation design,selection of structural materials,and implementation of scour protection measures.
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    Experimental Study on Engineering Behavior of Solidified Soil for Scour Repair and Protection

    WU Xiao-niLI Ru-yuSHU JianTANG Chao...
    625-635页
    查看更多>>摘要：A new scour countermeasure using solidified slurry for offshore foundation has been proposed recently.Fluidized solidified slurry is pumped to seabed area around foundation for scour protection or pumped into the developed scour holes for scour repair as the fluidized material solidifies gradually.In the pumping operation and solidification,the engineering behaviors of solidified slurry require to be considered synthetically for the reliable application in scour repair and protection of ocean engineering such as the pumpability related flow value,flow diffusion behavior related rheological property,anti-scour performance related retention rate in solidification and bearing capacity related strength property after solidification.In this study,a series of laboratory tests are conducted to investigate the effects of mix proportion(initial water content and binder content)on the flow value,rheological properties,density,retention rate of solidified slurry and unconfined compressive strength(UCS).The results reveal that the flow value increases with the water content and decreases with the binder amount.All the solidified slurry exhibits Bingham plastic behavior when the shear rate is larger than 5 s-1.The Bingham model has been employed to fit the rheology test results,and empirical formulas for obtaining the density,yield stress and viscosity are established,providing scientific support for the numerical assessment of flow and diffusion of solidified slurry.Retention rate of solidified slurry decreases with the water flow velocity and flow value,which means the pumpability of solidified slurry is contrary to anti-scour performance.The unconfined compressive strength after solidification reduces as the water content increases and binder content decreases.A design and application procedure of solidified soil for scour repair and pro-tection is also proposed for engineering reference.
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    Bending Failure Mode and Prediction Method of the Compressive Strain Capacity of A Submarine Pipeline with Dent Defects

    HOU Fu-hengJIA Lu-shengCHEN Yan-feiZHANG Qi...
    636-647页
    查看更多>>摘要：A dent is a common type of defects for submarine pipeline.For submarine pipelines,high hydrostatic pressure and internal pressure are the main loads.Once pipelines bend due to complex subsea conditions,the compression strain capacity may be exceeded.Research into the local buckling failure and accurate prediction of the compressive strain capacity are important.A finite element model of a pipeline with a dent is established.Local buckling failure under a bending moment is investigated,and the compressive strain capacity is calculated.The effects of different parameters on pipeline local buckling are analyzed.The results show that the dent depth,external pressure and internal pressure lead to different local buckling failure modes of the pipeline.A higher internal pressure indicates a larger compressive strain capacity,and the opposite is true for external pressure.When the ratio of external pressure to collapse pressure of intact pipeline is greater than 0.1,the deeper the dent,the greater the compressive strain capacity of the pipeline.And as the ratio is less than 0.1,the opposite is true.On the basis of these results,a regression equation for predicting the compressive strain capacity of a dented submarine pipeline is proposed,which can be referred to during the integrity assessment of a submarine pipeline.
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    Feasibility Study on Recovering Human-Occupied Vehicle with An Offshore Crane

    HAN Ming-yueXIE PengXIAN Hao-yiZHONG Xin-xin...
    648-662页
    查看更多>>摘要：Launching and recovering human-occupied vehicles(HOVs)has always been a challenging problem.The current recovery process requires staff to manually complete the tethering task,which is inefficient and endangers the lives of staff.This paper suggests moving the recovery position from the surface to underwater at approximately half the wavelength of the water depth(30-50 m underwater),where the HOV experiences less environmental disturbance.An ROV equipped with a ultra-short baseline beacon(USBL)and a manipulator was used to complete the tethering operation.Additionally,a shackle customized to the shape of the manipulator's gripper is fitted to the end of the cable to simplify the tethering process.To investigate the dynamic response of recovering the HOV using this suggested method,a comprehensive numerical model is developed in this research.The effects of wind,surface waves,ocean currents,and nonlinear interaction between the installation vessel and the HOV are quantitatively examined.The results show that the proposed recovery method can reduce the motion amplitude of the HOV and that the wave has the greatest influence on the dynamic response of the HOV during the recovery process.This model provides better insight into the proposed HOV recovery method and confirms the effectiveness of the heave compensation system.The proposed approach aims to enhance safety and operational efficiency by reducing direct human involvement in the recovery process and mitigating potential dangers.This finding holds particular significance,especially in envi-ronmentally sensitive areas,where reducing the impact on the surrounding ecosystem is crucial.
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    Numerical Study on the Effect of Gap Diffraction on the Hydrodynamic Performance of A Floating Breakwater

    BIAN Xiang-qianJI Chun-yanXU ShengGUO Jian-ting...
    663-675页
    查看更多>>摘要：Two-dimensional(2D)flume experiments are useful in investigating the performances of floating breakwaters(FBs),including hydrodynamic performances,motion responses,and mooring forces.Designing a reasonable gap between the flume wall and the FBs is a critical step in 2D flume tests.However,research on the effect of the gap on the accuracy of 2D FB experimental results is scarce.To address this issue,a numerical wave tank is developed using CFD to estimate the wave-FB interaction of a moored dual-cylindrical FB,and the results are compared to experimental data from a previously published work.There is good agreement between them,indicating that the numerical model is sufficiently accurate.The numerical model is then applied to explore the effect of gap diffraction on the performance of FBs in 2D experiments.It was discovered that the nondimensional gap length LGap/WPool should be smaller than 7.5%to ensure that the relative error of the transmission coefficient is smaller than 3%.The influence of the gap is also related to the entering wave properties,such as the wave height and period.
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