NIRT: NANOJETS - Formation, Characterization and Applications

纳米尺度的流体射流的理论理解和实验创造、表征和利用提出了重大的科学、工程和技术挑战。这些挑战源自与尺寸接近分子尺度的液体的物理性质有关的基本问题，以及与具有这种减小的尺寸的液体射流的设计、产生和表征有关的问题。在技术的格鲁吉亚研究所开发的跨学科计划，结合了来自物理，电气计算机工程和机械工程学院的研究人员，旨在开发，实施和应用理论和实验工具，这将允许系统的调查，旨在深入了解纳米喷射形成的微观机制，并管理其稳定性，以及导致纳米喷射的设计，制造和应用。 纳米喷射的应用被设想在未来的各种纳米级技术中，包括：表面图案化、电子电路印刷、涂覆、纤维纺丝和跨膜不必要的注射。该计划将采用的理论技术包括大规模基于计算机的原子模拟，以及连续流体动力学模型修改，包括大小依赖的波动，重点是预测能力的可靠方法的发展。关键材料的问题和突出的制造和表征的挑战，将通过开发和适应成像技术，包括电子显微镜和原子力显微镜成像的纳米射流在流动过程中，以及沉积后的分析纳米打印功能和应用纳米结构制造技术和检测方法，是在纳米级工程和检测能力的前沿得到解决。欲了解更多信息，请联系：Uzi Landman教授，物理学院，格鲁吉亚理工学院，亚特兰大，GA 30332-0430电子邮件：uzi. physics.gatech.edu（404-894-3368）该提案是响应NSF 02-148（纳米级跨学科研究小组）提交的。该项目由化学和运输系统部的热运输和热处理项目以及流体动力学和水力学项目资助。

Theoretical understanding and experimental creation, characterization and utilization of fluid jets of nanoscale dimensions present significant scientific, engineering and technological challenges. These challenges originate from fundamental issues pertaining to the physical properties of liquids whose dimensions approach the molecular scale, as well as problems related to the design, creation and characterization of liquid jets with such reduced sizes. The interdisciplinary program developed at the Georgia Institute of Technology, that combines researchers from the schools of Physics, Electrical & Computer Engineering and Mechanical Engineering, aims at developing, implementing, and applying theoretical and experimental tools that will allow systematic investigations targeted at gaining deep insights into the microscopic mechanisms underlying the formation of nanojets and governing their stability, as well as leading to the design, fabrication and application of nanojets. Applications of nanojets are envisaged in diverse future nanoscale technologies, including: surface patterning, electronic circuit printing, coating, fiber spinning, and trans - membrane needless injections. The theoretical techniques that will be employed in this program include large-scale computer-based atomistic simulations, as well as continuum hydrodynamic modeling modified to include size-dependent fluctuations, with a focus on the development of reliable methodologies of predictive capabilities. The critical materials issues and outstanding fabrication and characterization challenges, will be addressed through the development and adaptation of imaging techniques, including electron microscopy and atomic-force-microscope imaging of nanojets during flow, as well as post-deposition analysis of nano-printed features and applications of nano-structural fabrication techniques and detection methods that are at the frontiers of nanoscale engineering and detection capabilities. For further information, please contact: Professor Uzi Landman, School of Physics, Georgia Institute of Technology, Atlanta, GA 30332-0430 e-mail: uzi.landman@physics.gatech.edu(404-894-3368) The proposal was submitted in response to NSF 02-148 (Nanoscale Interdisciplinary Research Teams) and has been funded by the Thermal Transport and Thermal Processing Program and the Fluid Dynamics and Hydraulics Program of the Chemical and Transport Systems Division.