基于碳纤维红外辐射特性的除冰研究
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中国民航飞行学院航空工程学院,中国民航飞行学院航空工程学院,中国民航飞行学院航空工程学院,中国民航飞行学院航空工程学院,中国民航飞行学院航空工程学院

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TB131

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中国民航飞行学院面上项目(XM2504,BJ2016-04)通讯作者:秦文峰,博士,教授,硕士生导师,研究方向为复合材料结构维修与表面技术联系方式:四川广汉中国民汉飞行学院,qwfgrh@126.com,15892486326


Research on Deicing Based on Infrared Radiation Characteristics of Carbon Fiber
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Civil Aviation Flight University of China,,,,

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    摘要:

    采用通电加热方式研究了PAN基碳纤维的红外发热特性,进一步探索了其除冰性能。结果表明随输入功率的增加,碳纤维表面的升温能力显著提升,当输入功率为23.92 w时,样品在100 s内可升至215 ℃。当输入电压低于5 V时碳纤维电阻出现先增加后减小的现象,表明了PAN基碳纤维的半导体特性,红外成像测试表明碳纤维表面温度分布均匀。融冰实验表明碳纤维样品的面积、温度、距离、融冰水等因素都对融冰速率都有影响,随着碳纤维加热片样品温度和面积的增加以及融冰水的去除冰柱融化时间不断缩减,纤维红外辐射强度随距离增加而迅速衰减。恒定温度为125℃时,5 cm × 5 cm样品最大融冰速率为0.385 g/min。恒定面积时,125 ℃时最大融冰速率相对于室温自然融化提升了115.3%。当面积温度恒定时,有无融冰水情况下,融冰速率相差43.9%。实验证明,利用碳纤维的红外辐射加热在飞机除冰方面这具有较大潜在应用价值。

    Abstract:

    The infrared heating characteristics of PAN based carbon fiber were studied by means of electric heating, and its deicing performance was further explored. The results showed that the surface heating capacity of carbon fiber increased significantly with the increase of input power, and when the input power was 23.92w, the heating capacity of carbon fiber surface was improved significantly when the input power was 23.92w. The sample can rise to 215 ℃ in 100s. When the input voltage is lower than 5 V, the resistance of carbon fiber increases first and then decreases, which indicates the semiconductor properties of PAN based carbon fiber. The results of infrared imaging show that the surface temperature distribution of carbon fiber is uniform, and the ice melting experiment shows that the area, temperature, distance, melting water and other factors of carbon fiber sample have influence on the melting rate of ice. With the increase of sample temperature and area of carbon fiber heating sheet and the melting time of melting ice column by melting ice water, The infrared radiation intensity of fiber decreases rapidly with the increase of distance. The maximum melting rate of 5cm × 5cm sample is 0.385 g / min at constant temperature of 125 ℃, and the maximum melting rate at 125 ℃ at constant area increases 115.3% relative to natural melting at room temperature. When the area temperature is constant, With or without melting water, the rate of melting ice varies by 43.9. The experiment shows that the infrared radiation heating of carbon fiber has a great potential application in aircraft deicing Value.

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秦文峰,游文涛,钟勉,等. 基于碳纤维红外辐射特性的除冰研究[J]. 科学技术与工程, 2018, 18(21): .
qinwenfeng,游文涛,,et al. Research on Deicing Based on Infrared Radiation Characteristics of Carbon Fiber[J]. Science Technology and Engineering,2018,18(21).

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  • 收稿日期:2018-02-19
  • 最后修改日期:2018-04-19
  • 录用日期:2018-05-04
  • 在线发布日期: 2018-07-30
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