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비정렬 격자 기반의 결빙 액적 해석을 위한 유한체적 기법open accessA THREE-DIMENSIONAL UNSTRUCTURED FINITE VOLUME METHOD FOR ANALYSIS OF DROPLET IMPINGEMENT IN ICING
- Other Titles
- A THREE-DIMENSIONAL UNSTRUCTURED FINITE VOLUME METHOD FOR ANALYSIS OF DROPLET IMPINGEMENT IN ICING
- Issue Date
- 2013
- Publisher
- 한국전산유체공학회
- Keywords
- 유한체적법(Finite Volume Method); 오일러리안(Eulerian); 액적충돌(Droplet Impingement); 비정렬 격자(Unstructured Grid)
- Citation
- 한국전산유체공학회지, v.18, no.2, pp 41 - 48
- Pages
- 8
- Indexed
- KCI
- Journal Title
- 한국전산유체공학회지
- Volume
- 18
- Number
- 2
- Start Page
- 41
- End Page
- 48
- ISSN
- 1598-6071
- Abstract
- Ice accretion on the solid surface is an importance factor in assessing the performance of aircraft and wind turbine blade. Changes in the external shape due to ice accretion can greatly deteriorate the aerodynamic performance. In this study, a three-dimensional upwind-type second-order positivity-preserving finite volume CFD scheme based on the unstructured mesh topology is developed to simulate two-phase flow in atmospheric icing condition. The code is then validated by comparing with NASA IRT experimental data on the sphere. The present results of the collection efficiency are found to be in close agreement with experimental data and show improvement near the stagnation region.
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