Presidential Young Investigator Award: (1) Combined Con- vection from a Rotating Cylinder 2) Double Diffusion in a Fluid Layer Superposing a Porous Layer
总统青年研究员奖:(1) 旋转圆柱体的组合对流 2) 叠加多孔层的流体层中的双重扩散
基本信息
- 批准号:8451144
- 负责人:
- 金额:$ 23.54万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:1985
- 资助国家:美国
- 起止时间:1985-08-01 至 1992-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The research focuses on two areas, the first dealing with combined free-forced convection from a rotating horizontal cylinder. The study is experimental and is carried out by using air as the working fluid and an existing wind tunnel to simulate the forced convection flow. The cylinder is heated electrically and the constant heat flux condition is maintained on the cylinder boundary. The results document thoroughly the effect of the Reynolds number, the Rayleigh number, and the angular velocity of the cylinder on the temperature and flow fields. The second area of research concerns convective instability in superposed porous and fluid layers triggered by the combined action of temperature and concentration gradients in the vertical directions. In the theoretical investigation, the critical parameters of the system which yield convective motions are determined, as well as the nature of these motions. The theoretical findings are tested against experimental measurements.
本文的研究主要集中在两个方面,第一个领域是关于旋转水平圆柱体的自由-强迫联合对流。该研究是以空气为工质,利用现有风洞模拟强迫对流进行的实验研究。对圆柱体进行电加热,并在圆柱体边界上保持恒定热流条件。计算结果充分反映了雷诺数、瑞利数和圆柱角速度对流场和温度场的影响。第二个研究领域涉及由垂直方向上的温度和浓度梯度的共同作用引发的多孔层和流体层中的对流不稳定性。在理论研究中,确定了产生对流运动的系统的临界参数,以及这些运动的性质。理论结果与实验测量结果进行了对比验证。
项目成果
期刊论文数量(0)
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Dimos Poulikakos其他文献
Synthetic Lipid Nanotubes as Cell-Cell Junctions for Inter-Cellular Ca<sup>+</sup> Propagation and for Cell Contraction Monitoring
- DOI:
10.1016/j.bpj.2012.11.3041 - 发表时间:
2013-01-29 - 期刊:
- 影响因子:
- 作者:
Kaori Sugihara;Amin Rustom;Marco Delai;Rami Mahnna;Aldo Ferrari;Dimos Poulikakos;Janos Vörös;Tomaso Zambelli;Justine Kusch;Joachim Spatz - 通讯作者:
Joachim Spatz
Large-scale integration of single-walled carbon nanotubes and graphene into sensors and devices using dielectrophoresis: A review
- DOI:
10.1557/jmr.2011.186 - 发表时间:
2011-07-01 - 期刊:
- 影响因子:2.900
- 作者:
Brian R. Burg;Dimos Poulikakos - 通讯作者:
Dimos Poulikakos
InGaAs/GaAs Helical Nanobelts as Building Blocks for Nanoscale Optoelectronic Devices
InGaAs/GaAs 螺旋纳米带作为纳米光电器件的构建模块
- DOI:
- 发表时间:
2007 - 期刊:
- 影响因子:0
- 作者:
Gilgueng Hwang;Cedric Dockendorf;Dominik J.Bell;Hideki Hashimoto;Dimos Poulikakos;Bradley J.Nelson - 通讯作者:
Bradley J.Nelson
emIn-vitro/em investigation of endothelial monolayer retention on an inflow VAD cannula inside a beating heart phantom
在跳动心脏模型内流入式心室辅助装置插管上内皮单层保留的体外研究
- DOI:
10.1016/j.bioadv.2023.213485 - 发表时间:
2023-09-01 - 期刊:
- 影响因子:6.000
- 作者:
Konstantinos Magkoutas;Nafsika Chala;Xi Wu;Dimos Poulikakos;Edoardo Mazza;Mirko Meboldt;Volkmar Falk;Aldo Ferrari;Costanza Giampietro;Marianne Schmid Daners - 通讯作者:
Marianne Schmid Daners
Design, Fabrication and Characterization of a Gas Processing Unit Testing Platform for Micro-Solid Oxide Fuel Cells
- DOI:
10.1016/j.proeng.2011.12.199 - 发表时间:
2011-01-01 - 期刊:
- 影响因子:
- 作者:
Bo Jiang;Paul Muralt;Thomas Maeder;Peter Heeb;Alejandro J. Santis- Alvarez;Majid Nabavi;Dimos Poulikakos;Philippe Niedermann - 通讯作者:
Philippe Niedermann
Dimos Poulikakos的其他文献
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