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固定式海洋平台靠船件的设计 被引量:1
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作者 赵佳宁 《石油和化工设备》 CAS 2018年第8期35-37,共3页
靠船件是吸收船舶靠泊能量的重要结构,可有效降低船舶靠泊对固定式平台结构的作用力,为海洋石油平台的安全生产提供保证。本文通过对靠船件的作用原理、结构形式及分类、靠船件的设计计算和靠船件的安装进行了系统梳理和归纳,以期对从... 靠船件是吸收船舶靠泊能量的重要结构,可有效降低船舶靠泊对固定式平台结构的作用力,为海洋石油平台的安全生产提供保证。本文通过对靠船件的作用原理、结构形式及分类、靠船件的设计计算和靠船件的安装进行了系统梳理和归纳,以期对从事固定式平台靠船件设计和安装的人员提供一些帮助。 展开更多
关键词 海洋平台 导管架 船件 Shockcell 橡胶护舷
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海上风电导管架基础靠船件碰撞特性分析 被引量:4
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作者 马东 杨勇 +2 位作者 任重进 王力群 韩荣贵 《船舶工程》 CSCD 北大核心 2019年第S1期380-382,394,共4页
对船体与导管架基础靠船件撞击的相关理论进行阐述,并以广东某海上风电机组导管架基础靠船件为研究对象,基于非线性有限元分析软件USFOS模拟不同船舶质量和船速停靠的工况。通过各工况加载分析,得出该导管架基础靠船件可以承受的最大撞... 对船体与导管架基础靠船件撞击的相关理论进行阐述,并以广东某海上风电机组导管架基础靠船件为研究对象,基于非线性有限元分析软件USFOS模拟不同船舶质量和船速停靠的工况。通过各工况加载分析,得出该导管架基础靠船件可以承受的最大撞击能量值以及结构基底剪力与船重、船速的关系。针对行业内已知较大的运维船,计算得出满足要求的靠船件最小尺寸。该分析方法可为以后的靠船件设计提供一定参考。 展开更多
关键词 导管架基础 船件 撞击 能量
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靠船件安装方法的设计和计算 被引量:3
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作者 李友成 沈健 +3 位作者 黄海龙 高军伟 胡双 陈曦 《中国造船》 EI CSCD 北大核心 2012年第A01期148-152,共5页
新建导管架海上安装通常需要动用大型浮吊船舶,成本高昂,靠船件原有的安装方法就位困难,甚至可能延误工期,浪费施工资源。对此,结合工程实例,介绍了一种新的靠船件安装方法,阐述了其使用的导向型钢的结构形式和安装位置,并使用ANSYS软... 新建导管架海上安装通常需要动用大型浮吊船舶,成本高昂,靠船件原有的安装方法就位困难,甚至可能延误工期,浪费施工资源。对此,结合工程实例,介绍了一种新的靠船件安装方法,阐述了其使用的导向型钢的结构形式和安装位置,并使用ANSYS软件进行了强度校核,最后对其在实际工程应用中提出了几项建议。 展开更多
关键词 船件 导向型钢 ANSYS 结构计算
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海上采油平台靠船件的焊接变形与热调直
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作者 张冲 张辉 +2 位作者 王红 薛玉辉 陈阳 《石油和化工设备》 CAS 2022年第3期111-113,共3页
本文探讨的海上采油平台及其结构均为桩基式钢质导管架平台。固定式海洋平台靠船件是一种安装在海洋石油平台导管架上的结构,该结构通过将补给和运输船舶靠船时产生的动能转化为势能,然后再转化为动能,从而使船舶向相反的方向加速,从而... 本文探讨的海上采油平台及其结构均为桩基式钢质导管架平台。固定式海洋平台靠船件是一种安装在海洋石油平台导管架上的结构,该结构通过将补给和运输船舶靠船时产生的动能转化为势能,然后再转化为动能,从而使船舶向相反的方向加速,从而减少船舶靠泊时对导管架的冲击力和作用力。 展开更多
关键词 船件 焊接变形 过程控制
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某海上风电基础靠船件结构设计及数值分析 被引量:3
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作者 何江飞 柳振海 +2 位作者 汤旅军 余璐庆 黄建武 《电力勘测设计》 2018年第3期64-69,共6页
该文以福建平潭某300MW海上风电场项目为研究背景,借助ANSYS和Midas-gen通用有限元分析软件,实现了导管架靠船件的结构设计和数值分析。通过能量守恒的方法,计算出不同水位下船舶在正常靠泊和意外撞击下对导管架靠船件的撞击力;继而校... 该文以福建平潭某300MW海上风电场项目为研究背景,借助ANSYS和Midas-gen通用有限元分析软件,实现了导管架靠船件的结构设计和数值分析。通过能量守恒的方法,计算出不同水位下船舶在正常靠泊和意外撞击下对导管架靠船件的撞击力;继而校核靠船件在正常靠泊及意外撞击工况下的强度和刚度是否满足要求;最后得出相应结论,提出设计建议。通过实际工程算例,为海上风电导管架基础靠船件的设计和计算提供了参考资料。 展开更多
关键词 海上风电 导管架基础 船件 结构设计 数值分析
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数据驱动系泊船三维控件开发技术研究
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作者 邱占芝 杨福安 +1 位作者 张崇 赵星甜 《大连交通大学学报》 CAS 2016年第3期107-111,共5页
为实现开敞式码头系泊监控系统三维显示效果,提高系统的构建效率,开发系泊船及其系泊缆绳三维控件.在分析船舶六个自由度运动以及缆绳所受拉力的基础上,研究系泊船舶及缆绳运动模型、构建方法与控件开发技术.控件开发以VS2010为开发平台... 为实现开敞式码头系泊监控系统三维显示效果,提高系统的构建效率,开发系泊船及其系泊缆绳三维控件.在分析船舶六个自由度运动以及缆绳所受拉力的基础上,研究系泊船舶及缆绳运动模型、构建方法与控件开发技术.控件开发以VS2010为开发平台,基于Open GL函数类库,采用模块化的方法对各三维模型进行构建,并实现三维模型与运动模型相结合,实现三维控件受实时监测数据驱动.采用此控件构建的码头系泊监控系统可以实时、逼真显示系泊船舶的运动姿态、系泊缆绳张力等实时作业状态.控件具有可重用性,在码头系泊领域具有广泛的应用前景. 展开更多
关键词 数据驱动 系泊三维控 三维模型构建方法 OpenGL函数类库 重用性 开敞式码头
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船载大重件货物系固方案的快速校核方法
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作者 谷溪 范育军 《航海技术》 北大核心 2012年第3期27-31,共5页
基于现行的《SOLAS》公约对大重件非标准货物绑扎的最新要求,运用Excel编制非标准货物系固方案核算程式,实现对系固方案的校核并给出结论。实例表明该方法具有普遍的适用性,实用、简单且易于实现。
关键词 载大重 货物 系固方案 快速校核方法
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提高50Mn-C材质船用锻件质量的措施
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作者 姜晓霞 《热处理技术与装备》 2021年第1期59-62,共4页
本文主要介绍了50Mn-C材质船用锻件在生产过程中,有效控制了锻件草状波、性能不合格等问题的发生,提高了锻件一次探伤及性能的合格率。
关键词 船件 草状波 性能
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新型导管架吸能器疲劳性能试验研究 被引量:1
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作者 李怀亮 李新超 付雪军 《石油工程建设》 2023年第6期12-15,共4页
船舶停靠海上导管架平台时会给导管架带来巨大的冲击力。在导管架平台桩腿上安装吸能器,既可以吸收船舶碰撞的能量,又能够降低靠船力带给导管架的损伤。针对海上导管架结构形式和工作环境,设计了新型导管架专用吸能器,通过室内疲劳试验... 船舶停靠海上导管架平台时会给导管架带来巨大的冲击力。在导管架平台桩腿上安装吸能器,既可以吸收船舶碰撞的能量,又能够降低靠船力带给导管架的损伤。针对海上导管架结构形式和工作环境,设计了新型导管架专用吸能器,通过室内疲劳试验得到了吸能器在垂直荷载和侧向荷载作用下的吸能效果。试验结果表明,该类型导管架吸能器能够更好地应用于海上导管架,完全适应船只靠泊要求。 展开更多
关键词 吸能器 导管架平台 船件 疲劳试验
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海上升压站总体布置方案及设计原则 被引量:10
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作者 刘金全 吴永祥 +2 位作者 李红有 迟洪明 周全智 《船舶工程》 CSCD 北大核心 2019年第S1期406-410,共5页
介绍了海上升压站平台总体的设计理论、设计原则和设计内容。借鉴海上石油平台总体布置的要求,提出海上升压站平台方位、靠船件设施、救生艇逃生系统、直升机平台设施布置等要求。同时,就某海上风电场典型设计方案,从结构设计、电气系... 介绍了海上升压站平台总体的设计理论、设计原则和设计内容。借鉴海上石油平台总体布置的要求,提出海上升压站平台方位、靠船件设施、救生艇逃生系统、直升机平台设施布置等要求。同时,就某海上风电场典型设计方案,从结构设计、电气系统设计、设备选型和消防系统设计等方面给出设计方案,对海上升压站设计具有一定的指导意义。 展开更多
关键词 海上升压站 总体布置 平台方位 船件 救生艇 直升机平台
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关于GMDSS模拟器设计的新思路
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作者 沈国昌 黄岩 《青岛远洋船员学院学报》 2000年第4期63-66,共4页
根据STCW公约的要求,驾驶人员的GMDSS操作培训正在全面进行。本文结合几年来的教学实践和对GMDSS模拟器的研制探索,针对某些模拟器存在的问题,提出了一些切实可行的解决思路和方案,供有关人员参考。
关键词 GMDSS模拟器 计时器控 船件更新 数据交换 操作培训
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Optimization of Bow Shape for a Non Ballast Water Ship 被引量:5
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作者 Ngo Van He Yoshiho Ikeda 《Journal of Marine Science and Application》 2013年第3期251-260,共10页
In this research,a commercial CFD code "Fluent" was applied to optimization of bulbous bow shape for a non ballast water ships(NBS).The ship was developed at the Laboratory of the authors in Osaka Prefecture Unive... In this research,a commercial CFD code "Fluent" was applied to optimization of bulbous bow shape for a non ballast water ships(NBS).The ship was developed at the Laboratory of the authors in Osaka Prefecture University,Japan.At first,accuracy of the CFD code was validated by comparing the CFD results with experimental results at towing tank of Osaka Prefecture University.In the optimizing process,the resistances acting on ships in calm water and in regular head waves were defined as the object function.Following features of bulbous bow shapes were considered as design parameters: volume of bulbous bow,height of its volume center,angle of bow bottom,and length of bulbous bow.When referring to the computed results given by the CFD like resistance,pressure and wave pattern made by ships in calm water and in waves,an optimal bow shape for ships was discovered by comparing the results in the series of bow shapes.In the computation on waves,the ship is in fully captured condition because shorter waves,λ/Lpp 0.6,are assumed. 展开更多
关键词 CFD bulbous bow non ballast water ships RESISTANCE
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Computational Fluid Dynamics Based Bulbous Bow Optimization Using a Genetic Algorithm 被引量:5
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作者 Shahid Mahmood Debo Huang 《Journal of Marine Science and Application》 2012年第3期286-294,共9页
Computational fluid dynamics (CFD) plays a major role in predicting the flow behavior of a ship. With the development of fast computers and robust CFD software, CFD has become an important tool for designers and eng... Computational fluid dynamics (CFD) plays a major role in predicting the flow behavior of a ship. With the development of fast computers and robust CFD software, CFD has become an important tool for designers and engineers in the ship industry. In this paper, the hull form of a ship was optimized for total resistance using CFD as a calculation tool and a genetic algorithm as an optimization tool. CFD based optimization consists of major steps involving automatic generation of geometry based on design parameters, automatic generation of mesh, automatic analysis of fluid flow to calculate the required objective/cost function, and finally an optimization tool to evaluate the cost for optimization. In this paper, integration of a genetic algorithm program, written in MATLAB, was carried out with the geometry and meshing software GAMBIT and CFD analysis software FLUENT. Different geometries of additive bulbous bow were incorporated in the original hull based on design parameters. These design variables were optimized to achieve a minimum cost function of "total resistance". Integration of a genetic algorithm with CFD tools proves to be effective for hull form ootimization. 展开更多
关键词 bulbous bow genetic algorithm computational fluid dynamics (CFD) total resistance
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CFD Based Simulation of LNG Release during Bunkering and Cargo Loading/Unloading Simultaneous Operations of a Containership 被引量:1
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作者 FAN Hongjun CHENG Kang WU Shunping 《Journal of Shipping and Ocean Engineering》 2017年第2期51-58,共8页
In order to reduce waiting time in port for large LNG (liquefied natural gas) fueled ships, it is suggested that LNG STS (ship to ship) bunkering and cargo loading/unloading should be carried out simultaneously. T... In order to reduce waiting time in port for large LNG (liquefied natural gas) fueled ships, it is suggested that LNG STS (ship to ship) bunkering and cargo loading/unloading should be carried out simultaneously. This study investigated the safety zone of an LNG bunkering vessel with 10,000 cubic meters capacity transferring LNG fuel to an LNG fueled 18,000 TEU containership. Four LNG leakage scenarios were identified based on failure frequencies analysis of piping systems and severity of consequence, three-dimension CFD software FLACS was adopted to calculate flammable cloud dispersion after LNG leakage. As a result, we obtained a rectangle dangerous zone (41.3 m ~ 126 m), outside of this dangerous zone can be def'med as safety zone. It is concluded that safety zone of LNG STS bunkering and cargo loading/unloading SIMOPS (simultaneous operations) cannot keep the same, there are different results for different designs and operation locations. Due to high frequencies and severe consequences, two typical scenarios, the leakage of LNG hose and the natural gas releases from bunkering tank's safety relief valve during bunkering, cannot be ignored in similar study. 展开更多
关键词 LNG fueled vessel bunkering simultaneous operations gas dispersion dangerous zone.
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Research of Sail Height Adjustment on Sail-Assisted Ship in Different Loading and Wind Conditions
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作者 HE Jianhai HU Yihuai +1 位作者 TANG Juanjuan ZHANG Jianxia 《Journal of Shipping and Ocean Engineering》 2016年第6期313-322,共10页
The relationship between ship stability and sail area is firstly investigated based on the sail-assisted ship's stability in this paper. Then a height-adjustable sail structure is proposed that could be automatically... The relationship between ship stability and sail area is firstly investigated based on the sail-assisted ship's stability in this paper. Then a height-adjustable sail structure is proposed that could be automatically adjusted according to the wind conditions, ship loading and other requirements. The influences on the sail height in different ship load conditions, different wind apparent velocity and wind direction are analyzed of a sail-assisted bulk carrier. Finally a control procedure of sail height adjustment in real time is proposed according to the actual load conditions, wind conditions, ship velocity and other parameters to make the best use of wind energy, which is significant for the practical application of sail-assisting technology in the future. 展开更多
关键词 Sail height height adjustable wind influential factor control procedure.
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Operational Methods for Ships in Waves From Perspectives of Structure Health and Maneuvering Convenience
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作者 ZHOU Feng ZHOU Junwei +1 位作者 CHEN Yuli WANG Deling 《Journal of Shipping and Ocean Engineering》 2017年第3期100-107,共8页
Based on the stress-strain data collected by a CSSMAS (container ship structure monitoring and analyzing system) onboard a container vessel, stress-strain responses of the ship's structure in high wave were analyze... Based on the stress-strain data collected by a CSSMAS (container ship structure monitoring and analyzing system) onboard a container vessel, stress-strain responses of the ship's structure in high wave were analyzed and illustrated for the identification of reasonable safe course sections. Besides the ship's structure safety, the maneuvering convenience is also deemed as a main concern which influences the safety of vessels in heavy waves. In order to develop a comprehensive guidance in adverse weather condition, the basic requirements on maneuvering convenience for vessels in storm were further discussed. In combination of the two requirements, namely structure health and maneuvering convenience, a proposed operational method was thus developed, which was an amendment to the traditional navigational method for ship in extreme weather. At the end of this paper, an example of optimal course planning in bad weather was illustrated by using the operational method proposed. 展开更多
关键词 Structural health maneuvering convenience extreme weather operational method
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Experimental and Numerical Investigations on Vibration Characteristics of a Loaded Ship Model
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作者 Pu Liang Ming Hong Zheng Wang 《Journal of Marine Science and Application》 CSCD 2015年第3期234-243,共10页
In this paper, the vibration characteristics of the structure in the finite fluid domain are analyzed using a coupled finite element method. The added mass matrix is calculated with finite element method (FEM) by 8-... In this paper, the vibration characteristics of the structure in the finite fluid domain are analyzed using a coupled finite element method. The added mass matrix is calculated with finite element method (FEM) by 8-node acoustic fluid elements. The vibration characteristics of the structure in the finite fluid domain are calculated combining structure FEM mass matrix. By writing relevant programs, the numerical analysis on vibration characteristics of a submerged cantilever rectangular plate in finite fluid domain and loaded ship model is performed. A modal identification experiment for the loaded ship model in air and in water is conducted and the experiment results verify the reliability of the numerical analysis. The numerical method can be used for further research on vibration characteristics and acoustic radiation problems of the structure in the finite fluid domain. 展开更多
关键词 loaded ship model vibration characteristics finite element method (FEM) added mass matrix natural frequency modal identification finite fluid domain
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Isolation of a Halophilic Bacterium, Bacillus sp. Strain NY-6 for Organic Contaminants Removal in Saline Wastewater on Ship
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作者 Jie Gao Zhenjiang Yu +2 位作者 Xiaohui Zhang Dan Zhao Fangbo Zhao 《Journal of Marine Science and Application》 2013年第2期245-249,共5页
The objective of this research was to examine if certain strains of Bacillus bacteria, could survive in dry powder products and if so, could the bacteria degrade organic contaminants in saline wastewater on a ship. As... The objective of this research was to examine if certain strains of Bacillus bacteria, could survive in dry powder products and if so, could the bacteria degrade organic contaminants in saline wastewater on a ship. As part of the study, we isolated 7 domesticated strains named NY1, NY2,..., and NY7, the strain NY6 showed to have the best performance for organic matter degradation and could survive in dry powder more than 3 months. NY6 was identified as Bacillus aerius, based on the morphological and physic-chemical properties. Its optimal growth conditions were as follows: salinity was 2%; temperature was 37℃; pH was in 6.5-7.0; best ratio of C: N: P was 100:5:1. The capability of its dry powder for Chemical Oxygen Demand (COD) removal was 800mg COD/g in synthesized marine wastewater with 2% salinity. The spores in the dry powder were 1.972×108 g-1. 展开更多
关键词 halophilic bacterium saline wastewater BACILLUS Chemical Oxygen Demand NY6
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Reconstruction of plasmoid and traveling compression region in the near-Earth magnetotail 被引量:4
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作者 LU Shang Wen ZONG Qiu Gang +2 位作者 VOGIATZIS Ioannis WANG Yong Fu TIAN An Min 《Science China(Technological Sciences)》 SCIE EI CAS CSCD 2015年第2期330-337,共8页
Cluster spacecraft observed an earthward flowing plasmoid along with a travelling compression region (TCR) structure in southern plasma sheet boundary layer (PSBL) at 21:09 UT of September 19, 2001. We have recon... Cluster spacecraft observed an earthward flowing plasmoid along with a travelling compression region (TCR) structure in southern plasma sheet boundary layer (PSBL) at 21:09 UT of September 19, 2001. We have reconstructed the two-dimensional topology of the magnetic field structure observed by C1 using Grad-Shafranov reconstruction method. Results show that CI passed through part of a plasmoid, which compressed the lobe magnetic field and formed a TCR. The size of the whole plas- moid structure in X direction is estimated to be about 3 Re. Furthermore, using multi-spacecraft observations, we have found some detailed information about this structure. First, C1 observed bi-streaming electron components, which supports our sug- gestion that the spacecraft passed through closed field lines. Second, a small magnetic field perturbation within this plasmoid accompanied by slight decrease in electron flux suggests that a flux rope core might exist at the center of the plasmoid. 展开更多
关键词 plasma sheet boundary layer PLASMOID traveling compression region Grad-Shafranov method
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