南京航空航天大学学报2012，Vol.44Issue(3)：313-319,7.
空气导管对飞机密闭空间传热流动的影响
Effect of Bleed Air Ducts on Flow and Heat Transfer in Aircraft Enclosed Space
施红 1蒋彦龙 1钟伟 1彭莹 1蔡玉飞1
作者信息
- 1. 南京航空航天大学航空宇航学院 南京 210016
- 折叠
摘要
Abstract
Based on the analysis of the heat transfer and flow mechanism of cabin air outside the high temperature pneumatic duct, a numerical simulation is conducted to solve the complex heat transfer problem with combined convection, conduction and radiation. The influence of factors, such as the duct position, the duct diameter and the radiation heat transfer on the temperature and flow distribution are investigated. The results show that the duct with up and down locations has a dramatic effect on the thermal and flow performance while the duct with left and right locations has strong effect on the thermal behaviors and little effect on the flow intensity. The total heat transfer and the temperature of the cabin air increase with the increasing diameter while the flow intensity decreases with the increasing diameter. The radiation heat transfer decreases the difference between the walls and the flow intensity of the cabin air while it increases the total heat transfer.关键词
温度场和流场/数值模拟/空气导管/飞机Key words
flow field and temperature field/ numerical simulation/ air duct/ aircraft分类
航空航天引用本文复制引用
施红,蒋彦龙,钟伟,彭莹,蔡玉飞..空气导管对飞机密闭空间传热流动的影响[J].南京航空航天大学学报,2012,44(3):313-319,7.
