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CVD反应器传输过程的三维数学模型

贺友多 , Y.SAHAI

金属学报

提出了一个同时表示CVD过程的气体流动、温度分布和物质传输的三维数学模型。应用这个模型预报了在含有SiCl_4的氢气流中沉积出Si的锥台式反应器中的速度场、温度场和浓度场。所得的结果有助于增进对这类反应器中的传输过程的认识,模型亦可用于设计参数的最优化,诸如入口流量,锥台倾角等。

关键词: CVD反应器 , velocity field , temperature field , rate of Si deposition , null

THREE-DIMENSIONAL MATHEMATICAL MODELING OF TRANSPORT PROCESSES IN CVD REACTORS

HE Youduo , Baotou Institute of Iron and Steel Technology , Baotou , ChinaY.SAHAI , The Ohio State University , USA

金属学报(英文版)

A mathematical model to represent the fluid flow, temperature distribution and mass transfer in CVD reactors has been developed. The model is used to predict the velocity, temperature, and molar concentration profiles in the tapered annulus of a reactor for silicon deposition from SiCl_4 in H_2. Results of the investigation contribute to the understanding of the transport pro- cesses involved in such a system. The model can also be used for optimizing the design parameters, such as inlet flow rate, susceptor tilt angle, etc.

关键词: reactor of chemical vapor deposition , null , null , null

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