Study offlow electrification in pulsating flow
脉动流中的流动带电研究
基本信息
- 批准号:18560133
- 负责人:
- 金额:$ 2.46万
- 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:2006
- 资助国家:日本
- 起止时间:2006 至 2007
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Measurement of electrification in transient change of velocityThe current detected from the metal wall rose to a peak value at the beginning of flow, then exponentially decreased until it leveled off with time, approaching a constant value. The smaller the acceleration of velocity was, the smaller the peak value of current was. This behavior of the current presumably indicates that relaxation of charge depends on the time, though generation of charge depends not on the time but on the gradient of velocity on the interface.Measurement of electrification in pulsating oil flowPulsating oil flows were let pass through a metal mesh and a metal plate with eight holes. The current fluctuates at the same frequency as that of the flow rate. The relationship between the current and the flow rate in an oil flow pulsating at lower frequencies can be approximated by that in a steady flow. However, it is no more the case for higher frequencies. The delay times of the current behind the flow rate take almost the same value for different frequencies in the present experiment.
瞬态速度变化中的通电测量从金属壁上检测到的电流在流动开始时达到峰值,然后呈指数下降,直到随着时间的推移趋于平稳,接近恒定值。速度加速度越小,电流峰值越小。电流的这种行为可能表明电荷的弛豫取决于时间,尽管电荷的产生不取决于时间,而取决于界面上的速度梯度。研究了脉动油流的带电测量方法,使脉动油流通过金属网和带八孔的金属板。电流的波动频率与流量的波动频率相同。低频脉动油流中电流与流量的关系可以近似地表示为稳定流中的电流与流量的关系。然而,对于更高的频率就不是这样了。在本实验中,在不同频率下,流速后电流的延迟时间几乎是相同的。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Experimental Study of Electrification in Oil Flow through Metal Channels with Its Velocity Change with Time
油流经金属通道带电及其速度随时间变化的实验研究
- DOI:
- 发表时间:2008
- 期刊:
- 影响因子:0
- 作者:Satoshi;TAKAHASHI.;et. al.
- 通讯作者:et. al.
Effect of flow structure for flow electrification
流动结构对流动带电的影响
- DOI:
- 发表时间:2007
- 期刊:
- 影响因子:0
- 作者:Satoshi;MORINISHI;et. al.
- 通讯作者:et. al.
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TAKAHASHI Satoshi其他文献
Surface Treatment Regarding Coloring of Stainless Steel Using YVO4 Laser (Consideration of Environmental Factor, Sensitive Color and Life Regarding Coloring)
使用YVO4激光进行不锈钢着色的表面处理(考虑着色的环境因素、敏感颜色和寿命)
- DOI:
- 发表时间:
2006 - 期刊:
- 影响因子:0
- 作者:
SHINADA Masato;TANABE Ikuo;TAKAHASHI Satoshi;ITAGAKI Kaoru - 通讯作者:
ITAGAKI Kaoru
TAKAHASHI Satoshi的其他文献
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{{ truncateString('TAKAHASHI Satoshi', 18)}}的其他基金
Elucidation of the mechanism of stereopsis insufficiency and mental and physical fatigue caused by near vision and development of recovery methods for them
阐明近视引起的立体视不足和身心疲劳的机制及其恢复方法
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18K12149 - 财政年份:2018
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$ 2.46万 - 项目类别:
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Development of New Strategy of Protein Design Based on Single Phage Sorting Technique
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26282213 - 财政年份:2014
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$ 2.46万 - 项目类别:
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The Legal and Historical Analysis on Teacher Tenure Law in the United States
美国教师终身教职法的法律与历史分析
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25780466 - 财政年份:2013
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$ 2.46万 - 项目类别:
Grant-in-Aid for Young Scientists (B)
Low-middle lattietudinal oceanic envrionments during the greatest mass extinction and its aftermath
最大规模灭绝及其后果期间的中低纬度海洋环境
- 批准号:
24740340 - 财政年份:2012
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$ 2.46万 - 项目类别:
Grant-in-Aid for Young Scientists (B)
A Study of judge method of Chinese classical text in Japan ,vest a class in these text, and this class is settled by China expert advisor.
日本对中国古典文本的评判方法研究,将这些文本归为一类,该类由中国专家顾问确定。
- 批准号:
23652076 - 财政年份:2011
- 资助金额:
$ 2.46万 - 项目类别:
Grant-in-Aid for Challenging Exploratory Research
Development of microfluidic cell based on light guide for the single molecule fluorescence measurements
开发基于光导的单分子荧光测量微流控池
- 批准号:
23657097 - 财政年份:2011
- 资助金额:
$ 2.46万 - 项目类别:
Grant-in-Aid for Challenging Exploratory Research
Understanding of multidimensional quantum phenomenon in molecules with many-body quantum wavepacket theory
用多体量子波包理论理解分子中的多维量子现象
- 批准号:
22740272 - 财政年份:2010
- 资助金额:
$ 2.46万 - 项目类别:
Grant-in-Aid for Young Scientists (B)
A Comparative Research on Teacher Laws under Neo-Liberal Reforms in the U.S. and Japan
美日新自由主义改革下教师法比较研究
- 批准号:
22730626 - 财政年份:2010
- 资助金额:
$ 2.46万 - 项目类别:
Grant-in-Aid for Young Scientists (B)
Investigation of the folding dynamics of proteins based on the advanced method of single molecule detection
基于先进的单分子检测方法研究蛋白质折叠动力学
- 批准号:
21370072 - 财政年份:2009
- 资助金额:
$ 2.46万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Functional differences between malignant niche on the process of leukemia/lymphoma progression and hematopoietic stem cell niche on the process of cord blood graft engraftment
白血病/淋巴瘤进展过程中的恶性生态位与脐带血移植物植入过程中的造血干细胞生态位的功能差异
- 批准号:
21591234 - 财政年份:2009
- 资助金额:
$ 2.46万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
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