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物理学报. 2006, 55(3): 1271-1275.
doi: 10.7498/aps.55.1271.
微结构光纤预制棒拉制过程的温度场分布
- 收稿日期: 2005-01-14
- 修回日期: 2005-04-18
- 刊出日期: 2006-03-20
English Abstract
Temperature distribution of microstructure fiber preform during fiber drawing
- Received Date:
14 January 2005
- Accepted Date:
18 April 2005
- Published Online:
20 March 2006
Abstract: Drawing temperature is an important factor affecting the structure of microstructure fibers (MSF) during MSF drawing. According to the Fourier equation of time-dependent heat conduction with, original conditions and boundary conditions of MSF preform, the temperature distribution equation of MSF preform is derived in cylindrical coordinates. It is shown the feeding speed of MSF preform is optimal when the temperature distribution of MSF preform is close to the steady-state heat conduction in high temperature furnace, then the temperature of high temperature furnace can be lowered to the intenerate temperature of MSF preform. In addition, the optimal speed will be increased if the air-filling fraction of MSF preform is high.
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