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The design of civil aircraft flammable liquidFlammable liquid drainage pathDrainage path is an important part of aircraft fire safetyAircraft fire safety. The reasonable liquid drainage pathDrainage path design can improve the corrosion resistance of aircraft structure parts and ensure the aircraft operation safety. The airworthiness requirements and design indexes of civil aircraft liquid drainage pathDrainage path are defined in this paper, the relationship between liquid drainage outlet size and liquid drainage rateDrainage rate is studied, the mathematical model of liquid drainage rateDrainage rate is established, and the design method of liquid drainage pathDrainage path is proposed. According to the liquid drainage pathDrainage path of the fuselage, the evaluation method and process of the liquid drainage pathDrainage path on the ground and in the flight stage are summarized, which provides technical guidance for the design and analysis of the drainage path for civil aircraft.

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Research on Flammable Liquid Drainage Path Design and Analysis of Civil Aircraft

  • 会议论文

  • 发表日期：

    2026年

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  • Wenjie Xu,
  • Yadi Liu

摘要

The design of civil aircraft flammable liquidFlammable liquid drainage pathDrainage path is an important part of aircraft fire safetyAircraft fire safety. The reasonable liquid drainage pathDrainage path design can improve the corrosion resistance of aircraft structure parts and ensure the aircraft operation safety. The airworthiness requirements and design indexes of civil aircraft liquid drainage pathDrainage path are defined in this paper, the relationship between liquid drainage outlet size and liquid drainage rateDrainage rate is studied, the mathematical model of liquid drainage rateDrainage rate is established, and the design method of liquid drainage pathDrainage path is proposed. According to the liquid drainage pathDrainage path of the fuselage, the evaluation method and process of the liquid drainage pathDrainage path on the ground and in the flight stage are summarized, which provides technical guidance for the design and analysis of the drainage path for civil aircraft.