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내부냉각노즐의 열차폐코팅을 위한 복합열전달 해석기법 연구Study on the Conjugate Heat Transfer Analysis Methodology of Thermal Barrier Coating on the Internal Cooled Nozzle
- Other Titles
- Study on the Conjugate Heat Transfer Analysis Methodology of Thermal Barrier Coating on the Internal Cooled Nozzle
- Issue Date
- Nov-2014
- Publisher
- 한국유체기계학회
- Keywords
- Thermal barrier coating(열차폐코팅); Internal cooled nozzle(내부냉각노즐); Conjugate heat transfer(복합열전달); Computational fluid dynamics(전산유체역학)
- Citation
- 2014 한국유체기계학회 학술대회 초록집, pp 49 - 49
- Pages
- 1
- Indexed
- DOMESTIC
- Journal Title
- 2014 한국유체기계학회 학술대회 초록집
- Start Page
- 49
- End Page
- 49
- ISSN
- 1226-9883
- Abstract
- In this study, a conjugate heat transfer analysis methodology was studied for TBC application using NASA C3X Vane. Two methodologies were compared. First was physically modeling a real TBC structure and second was numerically modeling heat resistance on the vane surface. 0.1mm, 0.2mm and 0.3mm thickness were modeled for TBC layer utilizing 20mol.% YSZ. Surface pressure showed almost the same for all cases. Vane surface temperature for both methodology appeared the same. As the TBC layer thickness was increased by 0.1mm, the average vane surface temperature was decreased by 3-4K. The temperature change when TBC is applied was small compared to other studies. The reason is due to thick vane walls and low temperature difference of the main fluid and coolant fluid. The numerical TBC can be used to alter physical TBC to save analysis cost.
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Collections - 서울 공과대학 > 서울 기계공학부 > 1. Journal Articles
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