Research on Temperature Field of Kerosene when Preparing Carbon/Carbon Composites by Chemical Liquid Deposition

潘仡文 1; 杨冬 1; 刘红林 2

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Research on Temperature Field of Kerosene when Preparing Carbon/Carbon Composites by Chemical Liquid Deposition

更新时间：2025-12-08

- Research on Temperature Field of Kerosene when Preparing Carbon/Carbon Composites by Chemical Liquid Deposition
- Vol. 42, Issue 3, Pages: 309-312+384(2008)
- 作者机构：
  
  西安交通大学动力工程多相流国家重点实验室,西安,710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： TQ028
- Online First：10 March 2008，
  
  Published：2008
- 稿件说明：
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潘仡文 1, 杨冬 1, 刘红林 2. Research on Temperature Field of Kerosene when Preparing Carbon/Carbon Composites by Chemical Liquid Deposition[J]. 2008, 42(3): 309-312+384.
DOI：

潘仡文 1, 杨冬 1, 刘红林 2. Research on Temperature Field of Kerosene when Preparing Carbon/Carbon Composites by Chemical Liquid Deposition[J]. 2008, 42(3): 309-312+384. DOI：

摘要

根据制备过程中碳纤维骨架内煤油发生相变时的气液两相流动与传热传质、预制体对煤油的导热以及碳纤维多孔介质内的传热传质性质

建立了描述碳纤维骨架内温度场分布与相变特性的数学模型.对采用感应加热方式、直径为70 mm的预制体在汽化温度为453.15 K时的制备过程进行了数值研究

得到了骨架内温度场随时间的变化.给出了不同时刻的温度场分布、径向温度随时间的变化规律

以及相变过程含气率沿径向的分布.将计算所得的电加热功率与制备过程中实际的电加热功率进行了比较

二者较为接近

验证了所建数学模型的可靠性.

Abstract

A model of temperature field and phase change in the carbon fiber preform was established based on heat and mass transfer of gas and fluid phases flow

heat conduction between the preform and kerosene

and heat and mass transfer in the carbon fiber perform. A numerical investigation on preparation at the vaporization temperature 453.15 K for the preform with a diameter of 70 mm using induction heating was performed. The change of the temperature field with time in the preform was obtained. The temperature distribution at different time

the variation of radical temperature with time

and vapor rates along the radical direction in the phase change process were indicated. The computing results are in agreement with the data of the actual power input of electric heating.

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references

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