The prevention of the low frequency noise problem generated with enlargement of an overflow gate
防止因扩大溢流门而产生的低频噪声问题
基本信息
- 批准号:15560195
- 负责人:
- 金额:$ 2.3万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (C)
- 财政年份:2003
- 资助国家:日本
- 起止时间:2003 至 2004
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This report describes the experimental and analytical study on the instability of falling water sheets. Falling water sheets composing enclosed room with behind wall incite their vibration. This phenomenon leads to low frequency pressure's vibration, and it makes trouble that resonates other structures on such as a dam's gate. On this study, we performed laboratory experiments, and confirmed that S products of its frequency and falling time are uniform to figure a little larger than integer. We consider the vibration is caused by feedback of water sheets kinetic energy through air pressure in enclosed room. The result of this analysis shows the figure S must be about integral value+1/4. The vibration can be suppressed by cutting off the feedback with a baffle.
该报告描述了关于落水板的不稳定性的实验和分析研究。掉落的水面构成封闭的房间,墙后刺激了它们的振动。这种现象会导致低频压力的振动,并且在大坝门等诸如大坝门等其他结构上产生了麻烦。在这项研究中,我们进行了实验室实验,并确认其频率和下降时间的S产物均匀地比整数大一点。我们认为振动是由水面反馈通过封闭房间中的气压来引起的。该分析的结果表明,图S必须大约是积分值+1/4。可以通过用挡板切断反馈来抑制振动。
项目成果
期刊论文数量(6)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
佐藤 勇一: "鉛直落下水膜の振動特性"日本機械学会 計測・制御部門講演論文集. (発表予定). (2004)
Yuichi Sato:“垂直下落水膜的振动特性”日本机械工程师学会测量与控制分部讲座论文集(待发表)。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
A Study on the Instability offalling Water Sheets
落水层失稳性研究
- DOI:
- 发表时间:2004
- 期刊:
- 影响因子:0
- 作者:Shuichi MIURA;Yuichi SATO;Takuo NAGAMINE;Seiji OOKUBO;Kei KATSUURA
- 通讯作者:Kei KATSUURA
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SATO Yuichi其他文献
乾燥収縮ひずみが50層RC造建物の地震応答に及ぼす影響
干燥收缩应变对50层钢筋混凝土建筑地震响应的影响
- DOI:
- 发表时间:
2021 - 期刊:
- 影响因子:0
- 作者:
SATO Yuichi;NAGANUMA Kazuhiro and KANEKO Yoshio;佐藤裕一,長沼一洋,金子佳生;佐藤裕一,豊田侑輔,長沼一洋,金子佳生 - 通讯作者:
佐藤裕一,豊田侑輔,長沼一洋,金子佳生
乾燥収縮を受けた耐震壁の落錘実験と三次元有限要素解析
干缩剪力墙落锤试验及三维有限元分析
- DOI:
- 发表时间:
2022 - 期刊:
- 影响因子:0
- 作者:
SATO Yuichi;NAGANUMA Kazuhiro and KANEKO Yoshio;佐藤裕一,長沼一洋,金子佳生 - 通讯作者:
佐藤裕一,長沼一洋,金子佳生
Parallelism for NLFEM for RC incorporated with Bond Redistribution Procedure
RC 的 NLFEM 并行性与债券再分配程序相结合
- DOI:
- 发表时间:
2022 - 期刊:
- 影响因子:0
- 作者:
SATO Yuichi;NAGANUMA Kazuhiro and KANEKO Yoshio - 通讯作者:
NAGANUMA Kazuhiro and KANEKO Yoshio
SATO Yuichi的其他文献
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{{ truncateString('SATO Yuichi', 18)}}的其他基金
Development of the power generator using of self-excited vibration of a flat plate by a light breeze
利用平板微风自激振动开发发电机
- 批准号:
26420169 - 财政年份:2014
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Study on the prevention of self-excited vibration which are generated in the support of high stack
高叠层支撑自激振动的防治研究
- 批准号:
23560251 - 财政年份:2011
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Exhaustive study for aquisition of eary diagnostic or the anti-cancer drug sensitivity markers for lung cancer
获得肺癌早期诊断或抗癌药物敏感性标记物的详尽研究
- 批准号:
23590414 - 财政年份:2011
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Extension of discrete-like crack analysis method for RC to hysteresis response analysis
RC 离散裂纹分析方法扩展到磁滞响应分析
- 批准号:
21760430 - 财政年份:2009
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for Young Scientists (B)
Study on the characteristic and the countermeasures against self-excited vibrations which are generated in the support part of high stack
高堆垛支撑部位自激振动特性及对策研究
- 批准号:
20560211 - 财政年份:2008
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Preparation and application of crystalline template layers on no crystalline substrates by a quasi-nanoimprinting method
准纳米压印法在无晶基底上制备结晶模板层及应用
- 批准号:
20560003 - 财政年份:2008
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Exhaustive proteome analyses of pulmonary neuroendocrine carcinomas
肺神经内分泌癌的详尽蛋白质组分析
- 批准号:
19590365 - 财政年份:2007
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Wind Induced Vibration of Braces Adjacent to a High Circular Stack
与高圆形堆栈相邻的支架的风致振动
- 批准号:
18560221 - 财政年份:2006
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Research on preparations of precise-resistance thin-film materials having higher resistivity with zero-temperature dependence
零温度依赖性高电阻率精密电阻薄膜材料的制备研究
- 批准号:
16560267 - 财政年份:2004
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Improvement of ISH method for the detection of rare mRNAs in pathology archival tissues and establishment of its standard evaluation method
病理档案组织中稀有mRNA检测ISH方法的改进及其标准评价方法的建立
- 批准号:
15590315 - 财政年份:2003
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
相似海外基金
Perfect Countermeasure against Pattern Formation Phenomena Generated in Contact Rotating Systems
针对接触旋转系统中产生的图案形成现象的完美对策
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18360112 - 财政年份:2006
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- 批准号:
15656064 - 财政年份:2003
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Pattern Formation Phenomenon Accompanied by Wear Generated in Rotating Contact Systems and Its Countermeasures
旋转接触系统磨损伴随的花纹形成现象及其对策
- 批准号:
15360123 - 财政年份:2003
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Countermeasure of the pattern formation phenomena generated on rolling contact systems
滚动接触系统上产生的图案形成现象的对策
- 批准号:
14550220 - 财政年份:2002
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Pattern Formation Phenomena Generated in Steel Making Machines and Automobiles and Its Countermeasures
炼钢机和汽车中产生的花纹现象及对策
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13450093 - 财政年份:2001
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