我国近海波浪浮标的历史、现状与发展     

毛祖松 《海洋技术学报》2007,26(2):23-27

回顾了我国波浪测量技术特别是近海波浪浮标技术的发展历程,提出了今后发展的若干建议。  相似文献   

深海资料浮标体及系泊系统的阻力试验研究     

张子俊  张祖枢  张文海 《海洋工程》1994,(1)

本文结合国家“七五”重点科技攻关项目深海资料浮标研制，而进行浮标体和系泊系统的各种阻力试验研究，其试验成果已直接应用于深海资料浮标的系泊系统设计。实践表明，本文中各种阻力试验数据的应用是可靠的。  相似文献   

国际ARGO计划对我们的启示   总被引：3，自引：0，他引：3  

朱光文  杨庆保 《海洋技术学报》2001,20(4):5-10

本文概述了国际ARGO计划的科学目标和可能得到的成果，分析了参加ARGO计划对我国海洋技术发展的牵动作用，阐述了ARGO计划对我们的启示。分析了海洋技术对海洋科学发展的推动作用，强调了没有一流的海洋技术手段就不可能有一流的海洋科学成就，而技术的发展需要积累，需要强大的综合国力和良好的工业基础，海洋科学和海洋技术应协调发展。  相似文献   

海洋潜标系统的静力分析和姿态计算   总被引：4，自引：2，他引：4  

王明午 《海洋技术学报》2001,20(4):41-47

本文介绍了400m和4000m海洋潜标系统的静力分析和姿态计算方法，以供有关人员交流。  相似文献   

A Modified Quasi-Static Method for CALM System Analysis     

Xie Wei Tang Xinming Engineer  China Offshore Oil Development & Engineering Corporation  Tianjin 《中国海洋工程》1993,(3)

The quasi-static analysis method introduced by API RP 2P is well known and accepted as a very useful mooring analysis method. In the early design stage, this method is widely used for preliminary analysis and mooring parameter selection. However, the quasi-static method of API RP 2P is developed for single-floating-body condition, i. e., only one floating body is considered in the computation procedure. Difficulties arise when it is used for the analysis of a CALM system, which is comprised of two floating bodies (tanker and buoy). This paper presents an analysis procedure for a two-floating-body system based on the quasi-static procedure of API RP 2P with some modifications reflecting special characteristics of the CALM system. Finally, the analysis results of a CALM system are given to illustrate the use of this procedure.  相似文献   

Wave Energy Study in China: Advancements and Perspectives   总被引：3，自引：0，他引：3  

游亚戈  郑永红  沈永明  吴必军  刘荣 《中国海洋工程》2003,17(1)

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Investigation on the Performance of Articulated Buoys     

Feng Bojun  Huang Guoliang Liu Tianwei Associale Professor  Shanghai Jiao Tong University  Shanghai Engineer  Shanghai Jiao Tong University  Shanghai 《中国海洋工程》1995,(4)

Articulated buoys become more and more popular by the marine management departments as a new type of aids to navigation, for they possess an excellent hydrodynamic performance with small static heel angle in wind and current and small rolling in wave and accurate position. The structure of articulated buoys and calculation method of their hydrodynamic performance are introduced in this paper. A scries of experiments has been conducted in the State Key Laboratory of Ocean Engineering of China and useful results achieved for providing a design optimization basis.  相似文献   

Data quality check procedures of an operational coastal ocean monitoring network     

Dong Jiing Doong  Shen Hsien Chen  Chia Chuen Kao  Beng Chun Lee  Sun Pei Yeh 《Ocean Engineering》2007,34(2):234-246

Field oceanographic and meteorological data are required for ocean engineering. In response to the requirement of field data, an operational coastal ocean monitoring network was established around Taiwan coast, including nine deep-water data buoys, one shallow-water pile station, 10 coastal weather stations and 10 tide stations. Data quality check procedures are necessary to ensure the accuracy of measurements. This paper presents the data quality check procedures on ocean wave data which includes automatic and manual check procedures. The checking criteria are derived using statistical theory in this paper. In addition, a sea-state-dependent algorithm is presented in this study in order to derive checking criteria of time-continuity check. It is showed to have better performance of picking up suspicious data than using fixed threshold process. This data quality check program is now used on the operational monitoring network.  相似文献   

Nonlinear Behaviour of Coflexip Risers     

Kamal Zare  T. K. Datta 《中国海洋工程》2001,(4):479-490

A modified Newton-Raphson iterative technique is formulated for obtaining the static configuration of the Lazy "S" flexible marine riser between the floater and mid-arch buoy under its submerged self weight and the applied top tension. The geometrically non-linear problem is solved by finite difference with the above technique. The problem is formulated as a regular boundary value problem with specified moments and deflections at both ends. Usually the bending stiffness of the flexible riser made of Coflexip pipe is very low. By use of the above analysis, several flexible riser configurations are analyzed and their characteristic behaviors are investigated. Also, changes in the riser characteristics due to quasi-static motion of the floater end are estimated for the safety of the riser layout.  相似文献   

Tsunami Wave Interaction with Data Buoys     

R. Balaji  S. A. Sannasiraj  V. Sundar 《Marine Geodesy》2006,29(4):235-251

To plan for proper mitigation measures, one should have an advanced knowledge of the phenomenon of tsunami propagation from the deep ocean to coastal waters. There are a few methods to predict tsunamis in the ocean waters; one method is the effective use of data buoy measurements. Although data buoys have been used along the Indian waters there has been a tremendous growth in the number of buoy deployment recently. Under the National Data Buoy Programme (NDBP) of India, the 2.2 m diameter discus data buoys were deployed along the east and west coasts of India for measuring meteorological and ocean parameters. It would be advantageous if these buoys could be efficiently used to measure rare events such as tsunamis. Understanding the dynamic behavior of the buoy is of prime importance if a tsunami warning system is to be successful. This may be accomplished through experimental or numerical studies. A comprehensive experimental study has been conducted to understand the dynamic behavior of a wave rider buoy exposed to a variety of waves. It is common that tsunami waves are represented in terms of shallow water waves, namely solitary and cnoidal waves. Hence, in the present study, the discus type data buoy is scale modeled and tested under the action of solitary and cnoidal waves in the laboratory. The time histories of wave elevations, as well as heave and pitch motions of the buoy model, were analyzed through a spectral approach as well as through wavelet transformations. The wavelet approach gives more detailed insight into the spectral characteristics of the buoy motion in the time scale. The harmonic analyses were performed for the cnoidal wave elevations and subsequent motion characteristics that give an insight into the energy variations. The details of the model, instrumentation, testing conditions and the results are presented in this paper.  相似文献