Mechanical and Electrical Heating Properties of Electrically Heated Fabric for Aircraft Anti-icing and De-icing Composites

doi:10.12382/bgxb.2023.1200

Abstract

Abstract:

Icing on aircraft wings and engine air intakes leads to frequent flight accidents.In response to the problem of icing on wings and engine air intakes caused when an aircraft flies in a cold climate,a reinforcing fabric for electrically heated composites is developed for anti-icing and de-icing of aircraft.The electrically heated fabric,which is consisted of Ni-Cr alloy wire as an electric heating element,glass fiber plain fabric as a base fabric and polyester wire as the surface and bottom lines,is designed and prepared based on the tailored fiber placement (TFP) technology.The influences of TFP process parameters,such as stitch length,thread tension,and wiring speed,on the transaxial and zonal tensile properties of electrically heated fabric are investigated by tensile experiment,so as to select the optimal process parameters.Three kinds of electrically heated fabrics with different electrically heating element arrangement densities are prepared based on the optimal process parameters,and the electrothermal properties of the three kinds of electrically heated fabrics under different voltages are evaluated.The test results of tensile and electrothermal properties show that the retention rates of transaxial and zonal tensile strengths of Ni-Cr alloy wire electrically heated fabrics prepared based on TFP technology could reach up to 98.34% and 95.71%,respectively.The temperatures of three kinds of electrically heated fabrics could reach the highest balance temperature in 35 seconds.When the applied voltage is constant,The bigger the arrangement densities of the resistance wires are,the higher the highest balance temperature of the fabric is.The results can provide a reinforced fabric scheme for electrically heated composites for aircraft anti-icing and de-icing.

Key words: aircraft, anti-icing and de-icing, electrically heated fabric, tailored fiber placement, tensile strength, electrothermal property

CLC Number:

TS106

HU Junjun, WANG Shoutao, SUN Ying, CUI Yanchao, ZHANG Hongliang, XIANG Weihong, CHEN Li. Mechanical and Electrical Heating Properties of Electrically Heated Fabric for Aircraft Anti-icing and De-icing Composites[J]. Acta Armamentarii, 2025, 46(1): 231200-.

Figures/Tables 14

References 27

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标称值与实测值	厚度/mm	经密/ (根·cm^-1)	纬密/ (根·cm^-1)	面密度/ (g·m^-2)	纵向拉伸强度/ MPa	弹性模量/ MPa
标称值	0.18	19	15	168.0	176.50	55.8
实测值	0.19±0.02	18±2	13±2	165.0±5.0	167.0±10.00	54.93±5.00

标称值与实测值	厚度/mm	经密/ (根·cm^-1)	纬密/ (根·cm^-1)	面密度/ (g·m^-2)	纵向拉伸强度/ MPa	弹性模量/ MPa
标称值	0.18	19	15	168.0	176.50	55.8
实测值	0.19±0.02	18±2	13±2	165.0±5.0	167.0±10.00	54.93±5.00

标称值和实测值	线密度/ D	纵向拉伸强度/ MPa	伸长率/ %	弹性模量/ MPa
标称值	120	318.50	11.32	28.14
实测值		321.48±5.00	10.98±2.00	29.28±4.00

标称值和实测值	线密度/ D	纵向拉伸强度/ MPa	伸长率/ %	弹性模量/ MPa
标称值	120	318.50	11.32	28.14
实测值		321.48±5.00	10.98±2.00	29.28±4.00

标称值和实测值	细度/ mm	电阻率/ (Ω·m^-1)	伸长率/ %	纵向拉伸强度/ MPa	弹性模量/ MPa
标称值	0.08	265.00	26.76	725.00	27.09
实测值	0.08	230.20± 30.00	27.00± 3.00	723.42± 3.00	26.79± 2.00