Scattering Experiments in Fluid Mixtures
流体混合物中的散射实验
基本信息
- 批准号:8914351
- 负责人:
- 金额:$ 43.82万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:1989
- 资助国家:美国
- 起止时间:1989-11-01 至 1993-04-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The unifying theme is the effect of randomness in phase transitions. A porous medium imposes a random chemical potential on a binary mixture contained within pores. The time required for such a system to reach equilibrium is increased by metastability induced by the random medium. Another case is turbulent stirring of a mixture near its phase separation temperature. Randomness can either broaden or sharpen such a phase transiton. In another type of experiment there is evidence that a transition exits from a disordered (chaotic) state of flow of a fluid to a new domain where the velocity spectrum exhibits self-similarity. The quenching effect of a small amount of polymer added to a turbulent fluid will be studied.
统一的主题是相变中的随机性的影响。多孔介质对包含在孔隙中的二元混合物施加随机化学势。这种系统达到平衡所需的时间因随机介质引起的亚稳性而增加。另一种情况是混合物在其相分离温度附近的湍流搅拌。随机性可以扩大或锐化这样的相变。在另一种类型的实验中,有证据表明,从流体流动的无序(混沌)状态转变到速度谱呈现自相似的新区域。我们将研究在湍流流体中加入少量聚合物的猝灭效果。
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)
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Walter Goldburg其他文献
Walter Goldburg的其他文献
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{{ truncateString('Walter Goldburg', 18)}}的其他基金
EAGER: Collaborative Research: Exploring the inverse cascade in two-dimensional turbulent soap films
EAGER:协作研究:探索二维湍流肥皂膜中的逆级联
- 批准号:
1044105 - 财政年份:2010
- 资助金额:
$ 43.82万 - 项目类别:
Continuing Grant
Collaborative Research: Statistical Mechanics of Turbulence
合作研究:湍流统计力学
- 批准号:
0604477 - 财政年份:2006
- 资助金额:
$ 43.82万 - 项目类别:
Continuing Grant
Experimental Investigation of Complex 2D Fluid Flow
复杂二维流体流动的实验研究
- 批准号:
9804461 - 财政年份:1998
- 资助金额:
$ 43.82万 - 项目类别:
Fellowship Award
U.S.- France Cooperative Research: Experimental Study of Two-Dimensional Turbulence
美法合作研究:二维湍流实验研究
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9603361 - 财政年份:1997
- 资助金额:
$ 43.82万 - 项目类别:
Standard Grant
Light Scattering Experiments and Fluid Flow
光散射实验和流体流动
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9701688 - 财政年份:1997
- 资助金额:
$ 43.82万 - 项目类别:
Continuing Grant
Acquisition of Laser Doppler Velocimeter
获取激光多普勒测速仪
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9622699 - 财政年份:1996
- 资助金额:
$ 43.82万 - 项目类别:
Standard Grant
Optical Studies in Fluid Mixtures and Gels
流体混合物和凝胶的光学研究
- 批准号:
8611666 - 财政年份:1986
- 资助金额:
$ 43.82万 - 项目类别:
Continuing Grant
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