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| Test and evaluation of a moored microstructure recorder | |
| 作者姓名： | 田川 王树新 管守德 杨庆轩 徐霄阳 |
| 基金项目： | Supported by the National Natural Science Foundation of China （Nos. 41006005, 40906004, 91028008, 40890153, 41176008, 41176010）, the National High Technology Research and Development Program of China （863 Program） （No. 2008AA09A402）, and the Program for New Century Excellent Talents in University （No. NCET- 10-0764） |
| 摘 要： | A new moored microstructure recorder （MMR） is designed, developed, tested, and evaluated. The MMR directly measures the high-frequency shear of velocity fluctuations, with which we can estimate the dissipation rate of turbulent kinetic energy. We summarize and discuss methods for estimating the turbulent kinetic energy dissipation rate. Instrument body vibrations contaminate the shear signal in an ocean field experiment, and a compensating correction successfully removes this contamination. In both tank test and ocean field experiment, the dissipation rate measured with the MMR agreed well with that measured using other instruments. |
| 关 键 词： | 测试 停泊 评价 微观 直接测量 湍流动能 海洋领域 振动污染 |
Test and evaluation of a moored microstructure recorder |
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| Chuan Tian,Shuxin Wang,Shoude Guan,Qingxuan Yang,Xiaoyang Xu.Test and evaluation of a moored microstructure recorder[J].Chinese Journal of Oceanology and Limnology,2014,32(1):201-209. | |
| Authors: | Chuan Tian Shuxin Wang Shoude Guan Qingxuan Yang Xiaoyang Xu |
| Institution: | 1. School of Mechanical Engineering, Tianjin University, Tianjin, 300072, China 2. Physical Oceanography Laboratory, Ocean University of China, Qingdao, 266100, China 3. College of Engineering, Ocean University of China, Qingdao, 266100, China |
| Abstract: | A new moored microstructure recorder (MMR) is designed, developed, tested, and evaluated. The MMR directly measures the high-frequency shear of velocity fluctuations, with which we can estimate the dissipation rate of turbulent kinetic energy. We summarize and discuss methods for estimating the turbulent kinetic energy dissipation rate. Instrument body vibrations contaminate the shear signal in an ocean field experiment, and a compensating correction successfully removes this contamination. In both tank test and ocean field experiment, the dissipation rate measured with the MMR agreed well with that measured using other instruments. |
| Keywords: | moored microstructure recorder （MMR） dissipation rate turbulent kinetic energy shear ofvelocity fluctuations compensating correction |
| 本文献已被 CNKI 维普 SpringerLink 等数据库收录！ | |