Transport phenomena in microelectronics & metals processing
微电子学中的输运现象
基本信息
- 批准号:41696-2008
- 负责人:
- 金额:$ 1.61万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Discovery Grants Program - Individual
- 财政年份:2012
- 资助国家:加拿大
- 起止时间:2012-01-01 至 2013-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Under the general theme of transport phenomena in microelectronics and metals processing, the applicant wishes to carry out fundamental research in two areas of direct industrial importance. These are concerned with: (a) Mathematical and physical modeling of co-deposition of SiO2 and GeO2 in Modified Chemical Vapor Deposition (MCVD) reactors, and (b) ultrasonic de-agglomeration and dispersion of particles in liquid metals and fluids. (a) MCVD reactors are used to commercially manufacture high quality optical fibers. A MCVD reactor consists of a slowly rotating, fire polished, heated silica tube wherein a mixture of gaseous silicon tetrachloride (SiCl4), germanium tetrachloride (GeCl4) and oxygen is introduced. The reaction products of interest are fine particles of SiO2 and GeO2 which deposit onto the inner surface of the tube. After a sufficient number of layers are deposited, the tube is collapsed into a solid preform rod and then drawn into a long thin fiber. The first objective of this work is to develop a transient 3D transport model which will provide temperature, velocity and concentration profiles as well as deposition rates of SiO2 and GeO2 inside the reactor. The second objective is to perform MCVD experiments in an arranged experimental research facility in China. Experimental results will be used to verify modeling results and the model will be appropriately tuned and/or modify to provide satisfactory results. (b) Dispersion and de-agglomeration of powders are required in many processes in the metals, pharmaceutical, chemical, paint and ink industries. Powder of any particle size tends to form agglomerates when being mixed into a liquid. Therefore, effective means of de-agglomerating and dispersing are required to overcome the bonding forces after wetting the micron- or nano-powders. Mathematical and physical models will be developed to explain the ultrasonic dispersion phenomenon of fine particles in fluids. An ultrasonic device will also be developed to measure bubbles' particles loading characteristics to make efficient flotation columns for industry
在微电子和金属加工中的传输现象这一总主题下,申请人希望在两个具有直接工业重要性的领域开展基础研究。它们涉及:(A)在改进的化学气相沉积(MCVD)反应器中共沉积SiO_2和GeO_2的数学和物理模拟,以及(B)颗粒在液态金属和液体中的超声波解聚和分散。(A)MCVD反应器用于商业生产高质量光纤。MCVD反应器由缓慢旋转、火焰抛光、加热的二氧化硅管组成,其中引入了气态四氯化硅(SiCl4)、四氯化锗(GeCl4)和氧气的混合物。感兴趣的反应产物是沉积在管子内表面的SiO_2和GeO_2的细小颗粒。在沉积足够数量的层后,管被折叠成实心的预制棒,然后拉伸成长而细的纤维。这项工作的第一个目标是建立一个暂态三维输运模型,该模型将提供反应器内的温度、速度和浓度分布以及二氧化硅和GeO2的沉积速率。第二个目标是在中国的一个安排好的实验研究设施中进行MCVD实验。实验结果将用于验证建模结果,并将适当地调整和/或修改模型以提供令人满意的结果。(B)金属、制药、化工、油漆和油墨行业的许多工序都需要分散和解聚粉末。任何颗粒大小的粉末在混合到液体中时都容易结块。因此,需要有效的解聚和分散手段来克服微米或纳米粉末润湿后的粘结力。将建立数学和物理模型来解释流体中细小颗粒的超声分散现象。还将开发一种超声波装置来测量气泡的颗粒负载特性,以制造高效的工业浮选柱
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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Hasan, Mainul其他文献
Hasan, Mainul的其他文献
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{{ truncateString('Hasan, Mainul', 18)}}的其他基金
Transport phenomena in microelectronics & metals processing
微电子学中的输运现象
- 批准号:
41696-2008 - 财政年份:2011
- 资助金额:
$ 1.61万 - 项目类别:
Discovery Grants Program - Individual
Transport phenomena in microelectronics & metals processing
微电子学中的输运现象
- 批准号:
41696-2008 - 财政年份:2010
- 资助金额:
$ 1.61万 - 项目类别:
Discovery Grants Program - Individual
Transport phenomena in microelectronics & metals processing
微电子学中的输运现象
- 批准号:
41696-2008 - 财政年份:2009
- 资助金额:
$ 1.61万 - 项目类别:
Discovery Grants Program - Individual
Transport phenomena in microelectronics & metals processing
微电子学中的输运现象
- 批准号:
41696-2008 - 财政年份:2008
- 资助金额:
$ 1.61万 - 项目类别:
Discovery Grants Program - Individual
Transport phenomena in metals processing and microelectronics
金属加工和微电子学中的输运现象
- 批准号:
41696-2002 - 财政年份:2006
- 资助金额:
$ 1.61万 - 项目类别:
Discovery Grants Program - Individual
Transport phenomena in metals processing and microelectronics
金属加工和微电子学中的输运现象
- 批准号:
41696-2002 - 财政年份:2005
- 资助金额:
$ 1.61万 - 项目类别:
Discovery Grants Program - Individual
Transport phenomena in metals processing and microelectronics
金属加工和微电子学中的输运现象
- 批准号:
41696-2002 - 财政年份:2004
- 资助金额:
$ 1.61万 - 项目类别:
Discovery Grants Program - Individual
Transport phenomena in metals processing and microelectronics
金属加工和微电子学中的输运现象
- 批准号:
41696-2002 - 财政年份:2003
- 资助金额:
$ 1.61万 - 项目类别:
Discovery Grants Program - Individual
Transport phenomena in metals processing and microelectronics
金属加工和微电子学中的输运现象
- 批准号:
41696-2002 - 财政年份:2002
- 资助金额:
$ 1.61万 - 项目类别:
Discovery Grants Program - Individual
Transport phenomena in microelectronics and metals processing
微电子和金属加工中的输运现象
- 批准号:
41696-1998 - 财政年份:2001
- 资助金额:
$ 1.61万 - 项目类别:
Discovery Grants Program - Individual
相似海外基金
Transport phenomena in microelectronics & metals processing
微电子学中的输运现象
- 批准号:
41696-2008 - 财政年份:2011
- 资助金额:
$ 1.61万 - 项目类别:
Discovery Grants Program - Individual
Transport phenomena in microelectronics & metals processing
微电子学中的输运现象
- 批准号:
41696-2008 - 财政年份:2010
- 资助金额:
$ 1.61万 - 项目类别:
Discovery Grants Program - Individual
Transport phenomena in microelectronics & metals processing
微电子学中的输运现象
- 批准号:
41696-2008 - 财政年份:2009
- 资助金额:
$ 1.61万 - 项目类别:
Discovery Grants Program - Individual
Transport phenomena in microelectronics & metals processing
微电子学中的输运现象
- 批准号:
41696-2008 - 财政年份:2008
- 资助金额:
$ 1.61万 - 项目类别:
Discovery Grants Program - Individual
Transport phenomena in metals processing and microelectronics
金属加工和微电子学中的输运现象
- 批准号:
41696-2002 - 财政年份:2006
- 资助金额:
$ 1.61万 - 项目类别:
Discovery Grants Program - Individual
Transport phenomena in metals processing and microelectronics
金属加工和微电子学中的输运现象
- 批准号:
41696-2002 - 财政年份:2005
- 资助金额:
$ 1.61万 - 项目类别:
Discovery Grants Program - Individual
Transport phenomena in metals processing and microelectronics
金属加工和微电子学中的输运现象
- 批准号:
41696-2002 - 财政年份:2004
- 资助金额:
$ 1.61万 - 项目类别:
Discovery Grants Program - Individual
Transport phenomena in metals processing and microelectronics
金属加工和微电子学中的输运现象
- 批准号:
41696-2002 - 财政年份:2003
- 资助金额:
$ 1.61万 - 项目类别:
Discovery Grants Program - Individual
Transport phenomena in metals processing and microelectronics
金属加工和微电子学中的输运现象
- 批准号:
41696-2002 - 财政年份:2002
- 资助金额:
$ 1.61万 - 项目类别:
Discovery Grants Program - Individual
Transport phenomena in microelectronics and metals processing
微电子和金属加工中的输运现象
- 批准号:
41696-1998 - 财政年份:2001
- 资助金额:
$ 1.61万 - 项目类别:
Discovery Grants Program - Individual