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고압 가스터빈 엔진 노즐의 복합열전달 해석을 위한 천이모델 비교Transition Model Comparison for Conjugate Heat Transfer Simulation of a High-pressure Turbine Nozzle

Other Titles
Transition Model Comparison for Conjugate Heat Transfer Simulation of a High-pressure Turbine Nozzle
Authors
박정규김진욱조이상이동호조진수
Issue Date
Apr-2013
Publisher
한국항공우주학회
Keywords
Conjugate Heat Transfer(복합열전달); Transition Model(천이 모델)'High-Pressure Turbine Nozzle(고압터빈 노즐)'Convective Heat Transfer(대류열전달)
Citation
한국항공우주학회 2013년도 춘계학술대회, pp 277 - 278
Pages
2
Indexed
OTHER
Journal Title
한국항공우주학회 2013년도 춘계학술대회
Start Page
277
End Page
278
URI
https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/202483
Abstract
경계층 유동 내의 천이현상은 대류 열전달 특성에 큰 영향을 미친다. 항공기용 고압터빈 냉각 성능 수치해석에 적합한 천이 모델을 선정하기 위하여, 천이모델(γ model, γ-Reθ model) 적용에 따른 유동 및 열전달 특성을 비교하였다. 천이 모델에 따라 터빈 노즐 표면의 압력분포는 차이가 없으나, 온도 분포가 상이함을 발견하였고, 그 차이를 분석하였다.
The transition within the boundary layer flow has a huge impact on the convective heat transfer characteristics The suitable transition model was selected, comparing the flow and heat transfer characteristics by using numerical analysis, for design and analysis of aircraft high-pressure turbine engine’s cooling systems Shown that there is no difference in the pressure distribution, but the temperature distribution of turbine nozzle depending on the transition models were found, and was analyzed the difference.
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