数据加载中.....
|
jsp.display-item.identifier=請使用永久網址來引用或連結此文件:
https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/89034
|
| 题名: | Design tables and charts for uniform and non-uniform tuned liquid column dampers in harmonic pitching motion |
| 作者: | Wu, Jong-Cheng;Wang, Yen-Po;Chen, Yi-Hsuan |
| 贡献者: | 淡江大學土木工程學系 |
| 关键词: | tuned liquid column damper;frequency tuning ratio;head loss coefficient;cross-sectional ratio;pitching motion |
| 日期: | 2012-02 |
| 上传时间: | 2013-05-06 11:32:33 (UTC+8) |
| 出版者: | Yuseong-gu: Techno-Press |
| 摘要: | In the first part of the paper, the optimal design parameters for tuned liquid column dampers (TLCD) in harmonic pitching motion were investigated. The configurations in design tables include uniform and non-uniform TLCDs with cross-sectional ratios of 0.3, 0.6, 1, 2 and 3 for the design in different situations. A closed-form solution of the structural response was used for performing numerical optimization. The results from optimization indicate that the optimal structural response always occurs when the two resonant peaks along the frequency axis are equal. The optimal frequency tuning ratio, optimal head loss coefficient, the corresponding response and other useful quantities are constructed in design tables as a guideline for practitioners. As the value of the head loss coefficient is only available through experiments, in the second part of the paper, the prediction of head loss coefficients in the form of a design chart are proposed based on a series of large scale tests in pitching base motions, aiming to ease the predicament of lacking the information of head loss for those who wishes to make designs without going through experimentation. A large extent of TLCDs with cross-sectional ratios of 0.3, 0.6, 1, 2 and 3 and orifice blocking ratios ranging from 0%, 20%, 40%, 60% to 80% were inspected by means of a closed-form solution under harmonic base motion for identification. For the convenience of practical use, the corresponding empirical formulas for predicting head loss coefficients of TLCDs in relation to the cross-sectional ratio and the orifice blocking ratio were also proposed. For supplemental information to horizontal base motion, the relation of head loss values versus blocking ratios and the corresponding empirical formulas were also presented in the end. |
| 關聯: | Smart Structures and Systems 9(2), pp.165-188 |
| DOI: | 10.12989/sss.2012.9.2.165 |
| 显示于类别: | [土木工程學系暨研究所] 期刊論文
|
文件中的档案:
| 档案 |
描述 |
大小 | 格式 | 浏览次数 |
|---|
| 1738-1584_9(2)p165-188.pdf | | 3408Kb | Adobe PDF | 196 | 检视/开启 |
|
在機構典藏中所有的数据项都受到原著作权保护.
|
