Numerical and experimental study on the partial melting of suspended ice crystals

ZHANG Haoran; CHANG Shinan; QI Haifeng; YANG Yinglin

doi:10.7638/kqdlxxb-2024.0102

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Numerical and experimental study on the partial melting of suspended ice crystals

更新时间：2026-05-28

- Numerical and experimental study on the partial melting of suspended ice crystals
- Vol. 43, Issue 12, Pages: 109-120(2025)
- 作者机构：
  
  北京航空航天大学航空科学与工程学院,北京,100191
- 作者简介：
- 基金信息：
- DOI：10.7638/kqdlxxb-2024.0102
  CLC： V233.94
- Published：2025
- 稿件说明：
移动端阅览
张浩然, 常士楠, 齐海峰, 等. 悬浮冰晶粒子部分融化的数值模拟和实验研究[J]. 空气动力学学报, 2025, 43(12): 109−120.

ZHANG Haoran, CHANG Shinan, QI Haifeng, et al. Numerical and experimental study on the partial melting of suspended ice crystals[J]. 2025, 43(12): 109-120.
张浩然, 常士楠, 齐海峰, 等. 悬浮冰晶粒子部分融化的数值模拟和实验研究[J]. 空气动力学学报, 2025, 43(12): 109−120. DOI： 10.7638/kqdlxxb-2024.0102

ZHANG Haoran, CHANG Shinan, QI Haifeng, et al. Numerical and experimental study on the partial melting of suspended ice crystals[J]. 2025, 43(12): 109-120. DOI： 10.7638/kqdlxxb-2024.0102.

摘要

飞机在穿越含冰晶云层时，冰晶会随气流进入发动机，形成积冰，威胁飞行安全。为了了解冰晶融化状态对其黏附及积冰特性的影响，对冰晶粒子在悬浮状态下的融化过程进行了数值模拟和实验研究，主要内容包括冰晶部分融化模型的建立、不同参数对冰晶融化的影响和冰晶粒子悬浮融化的实验研究。在冰晶部分融化模型方面，将冰晶的融化过程分为了固态阶段和冰水混合物阶段，并针对两个阶段分别建立了对应的理论模型。在不同参数对冰晶融化的影响方面，主要研究了空气温度、相对湿度、冰晶初始温度和冰晶初始直径对冰晶的融化率、冰晶质量损失率、冰晶融化速率和冰晶温度的影响规律。并且，通过正交试验分析得到了不同因素对冰晶融化的影响程度，具体为：空气温度冰晶初始直径相对湿度冰晶初始温度。在冰晶粒子悬浮融化实验方面，搭建了冰晶悬浮融化实验台，研究了冰晶的初始直径大小、周围空气的温度和相对湿度对冰晶融化率和冰晶完全融化时间的影响，并与数值模拟结果进行了对比。对比发现，完全融化时间的数据相对误差在25%以内，其中有83%介于 –20%和20%之间，完全融化后粒径数据的相对误差在5%以内。该研究有助于深入理解冰晶融化相变机理，可为飞机冰晶结冰研究提供理论和实验参考。

Abstract

When aircraft traverse ice crystal-laden clouds

ice crystals may be ingested into the engine with the airflow

leading to ice accretion that jeopardizes flight safety. To investigate how the melting state of ice crystals affects their adhesion and ice accumulation characteristics

numerical simulations and experimental studies were conducted on the melting process of ice crystal particles under suspended conditions. Our findings indicate that the melting process of ice crystals can be divided into solid phase and ice-water mixture phase

whose corresponding theoretical models have been formulated. The influences of air temperature

relative humidity

initial ice crystal temperature

and initial ice crystal diameter on ice crystals' melting rate

mass loss rate

and temperature were assessed. Through orthogonal test analysis

the degree of influence of various factors on ice crystal melting has been determined as follows: air temperature has the greatest impact

followed by initial ice crystal diameter

then relative humidity

and finally initial ice crystal temperature. An ice crystal suspension melting experiment platform was set up to further study the effects of the initial particle size of ice crystals

ambient temperature

and relative humidity on the melting rate and complete melting time. The comparison between numerical and experimental results indicates that the relative error of complete melting time is less than 25%

with 83% of these errors falling within the range of –20% to 20%; the relative error of the particle size is within 5%. This study sheds light on the mechanism of ice crystal melting phase transition

offering valuable insights that can serve as both a theoretical and experimental reference for the research on aircraft ice crystal icing.

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references

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