Numerical modelling and parametric study of the melting behaviour of ice crystal particles
Ice crystal icing has been identified as a risk to flight safety, due to its reduction of engine performance, potential to cause engine damage and flameout. A critical factor in the sticking efficiency of ice crystals is the melting behaviour of ice crystals. This paper presents an ice melting model...
| Main Authors: | , , |
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| Format: | Journal article |
| Language: | English |
| Published: |
American Institute of Aeronautics and Astronautics
2021
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| _version_ | 1797102095467282432 |
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| author | Yang, XIN McGilvray, M Gillespie, D |
| author_facet | Yang, XIN McGilvray, M Gillespie, D |
| author_sort | Yang, XIN |
| collection | OXFORD |
| description | Ice crystal icing has been identified as a risk to flight safety, due to its reduction of engine
performance, potential to cause engine damage and flameout. A critical factor in the sticking
efficiency of ice crystals is the melting behaviour of ice crystals. This paper presents an ice
melting model integrated with surface blowing and porosity. A parametric study is performed
to understand the effects of flow conditions (total pressure, humidity, total temperature, Mach
number, and slip velocity) and particle properties (particle size, aspect ratio, and porosity
factor) on ice melting behaviour. The model is compared against the melting time of single
ice particles in an acoustic levitator. The results show that employing sphericity and porosity
could improve prediction performance. Surface blowing from evaporation increases melting
time and its effect is larger with a higher gas temperature. Ice melting time increases with
pressure at high humidity, while an opposite trend is observed at low humidity. Increasing gas
temperature, humidity, slip velocity, aspect ratio, and particle temperature can decrease ice
melting time, while increasing Mach number, particle size, and porosity factor can increase ice
melting time. While wet bulb temperature can be used to evaluate ice melting potential when
only one flow parameter is varied, it appears insufficient alone under scenarios where multiple
flow parameters are changing simultaneously |
| first_indexed | 2024-03-07T06:01:02Z |
| format | Journal article |
| id | oxford-uuid:ec306333-f3c6-4887-94da-c429eec44b2c |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-07T06:01:02Z |
| publishDate | 2021 |
| publisher | American Institute of Aeronautics and Astronautics |
| record_format | dspace |
| spelling | oxford-uuid:ec306333-f3c6-4887-94da-c429eec44b2c2022-03-27T11:15:40ZNumerical modelling and parametric study of the melting behaviour of ice crystal particlesJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:ec306333-f3c6-4887-94da-c429eec44b2cEnglishSymplectic ElementsAmerican Institute of Aeronautics and Astronautics2021Yang, XINMcGilvray, MGillespie, DIce crystal icing has been identified as a risk to flight safety, due to its reduction of engine performance, potential to cause engine damage and flameout. A critical factor in the sticking efficiency of ice crystals is the melting behaviour of ice crystals. This paper presents an ice melting model integrated with surface blowing and porosity. A parametric study is performed to understand the effects of flow conditions (total pressure, humidity, total temperature, Mach number, and slip velocity) and particle properties (particle size, aspect ratio, and porosity factor) on ice melting behaviour. The model is compared against the melting time of single ice particles in an acoustic levitator. The results show that employing sphericity and porosity could improve prediction performance. Surface blowing from evaporation increases melting time and its effect is larger with a higher gas temperature. Ice melting time increases with pressure at high humidity, while an opposite trend is observed at low humidity. Increasing gas temperature, humidity, slip velocity, aspect ratio, and particle temperature can decrease ice melting time, while increasing Mach number, particle size, and porosity factor can increase ice melting time. While wet bulb temperature can be used to evaluate ice melting potential when only one flow parameter is varied, it appears insufficient alone under scenarios where multiple flow parameters are changing simultaneously |
| spellingShingle | Yang, XIN McGilvray, M Gillespie, D Numerical modelling and parametric study of the melting behaviour of ice crystal particles |
| title | Numerical modelling and parametric study of the melting behaviour of ice crystal particles |
| title_full | Numerical modelling and parametric study of the melting behaviour of ice crystal particles |
| title_fullStr | Numerical modelling and parametric study of the melting behaviour of ice crystal particles |
| title_full_unstemmed | Numerical modelling and parametric study of the melting behaviour of ice crystal particles |
| title_short | Numerical modelling and parametric study of the melting behaviour of ice crystal particles |
| title_sort | numerical modelling and parametric study of the melting behaviour of ice crystal particles |
| work_keys_str_mv | AT yangxin numericalmodellingandparametricstudyofthemeltingbehaviouroficecrystalparticles AT mcgilvraym numericalmodellingandparametricstudyofthemeltingbehaviouroficecrystalparticles AT gillespied numericalmodellingandparametricstudyofthemeltingbehaviouroficecrystalparticles |