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One of the most dangerous flight modes is waiting to land. This often occurs in bad weather conditions, so in this mode, the aircraft can remain in a cloud zone containing supercooled water droplets for a long time. Since flight under these conditions can last long, the most dangerous ice forms can form - horn-shaped and barrier. In this paper the icing characteristics of the scaled-up DLR-F6 configuration when flying at boarding standby mode is investigated. The air and supercooled water particle fields are calculated using the FVM method. The adhesion coefficient obtained on the aircraft surface is used to assess icing. The Ludlala freezing limit zone was evaluated using thermodynamic methods.

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Investigation the Icing Zone for Civil Aircraft Using the Ludlama Limit Assessment Method

  • 会议论文

  • 发表日期：

    2026年

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  • Tai D. Duong

摘要

One of the most dangerous flight modes is waiting to land. This often occurs in bad weather conditions, so in this mode, the aircraft can remain in a cloud zone containing supercooled water droplets for a long time. Since flight under these conditions can last long, the most dangerous ice forms can form - horn-shaped and barrier. In this paper the icing characteristics of the scaled-up DLR-F6 configuration when flying at boarding standby mode is investigated. The air and supercooled water particle fields are calculated using the FVM method. The adhesion coefficient obtained on the aircraft surface is used to assess icing. The Ludlala freezing limit zone was evaluated using thermodynamic methods.