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热气防冰系统内表面弦向传热性能衰减规律

卜雪琴 彭珑 林贵平 周盈

卜雪琴, 彭珑, 林贵平, 等 . 热气防冰系统内表面弦向传热性能衰减规律[J]. 北京航空航天大学学报, 2016, 42(1): 72-78. doi: 10.13700/j.bh.1001-5965.2015.0065
引用本文: 卜雪琴, 彭珑, 林贵平, 等 . 热气防冰系统内表面弦向传热性能衰减规律[J]. 北京航空航天大学学报, 2016, 42(1): 72-78. doi: 10.13700/j.bh.1001-5965.2015.0065
BU Xueqin, PENG Long, LIN Guiping, et al. Chordwise attenuation of heat transfer performance on inner surface of hot-air anti-icing system[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(1): 72-78. doi: 10.13700/j.bh.1001-5965.2015.0065(in Chinese)
Citation: BU Xueqin, PENG Long, LIN Guiping, et al. Chordwise attenuation of heat transfer performance on inner surface of hot-air anti-icing system[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(1): 72-78. doi: 10.13700/j.bh.1001-5965.2015.0065(in Chinese)

热气防冰系统内表面弦向传热性能衰减规律

doi: 10.13700/j.bh.1001-5965.2015.0065
基金项目: 国家自然科学基金(51206008)
详细信息
    作者简介:

    卜雪琴女,博士,讲师。主要研究方向:飞机防除冰、高效传热。Tel.:010-82338600E-mail:buxueqin@buaa.edu.cn

    通讯作者:

    卜雪琴,Tel.:010-82338600E-mail:buxueqin@buaa.edu.cn

  • 中图分类号: V244.1+5

Chordwise attenuation of heat transfer performance on inner surface of hot-air anti-icing system

Funds: National Natural Science Foundation of China(51206008)
  • 摘要: 利用反向热流法实验研究了弦向3排射流喷口,且中央喷口正对前缘驻点结构下射流冲击热气防冰系统前缘内表面的局部传热特性。重点研究了喷孔射流出口雷诺数Rej、笛形管相对于前缘的距离与孔径比Zn/d、射流冲击驻点区弦向弧长与孔径比r/d对冲击前缘靶面的局部传热性能分布的影响。实验中Rej范围为2.5×104~1×105,Zn/d范围为1.736~27.5,r/d范围为13.21~61.5。结果表明,局部传热性能分布曲线为从驻点开始向两侧衰减的钟形曲线,包括稳定段、下降段和结束段3部分,其中稳定段只受参数r/d的影响,而参数RejZn/dr/d均能够明显影响下降段的下降速率,参数r/d则几乎不会改变下降段的总下降幅度。总结了此类喷口结构下射流冲击前缘换热性能衰减分布曲线的通用实验关联式,以指导防冰系统的设计和热性能的评估。

     

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出版历程
  • 收稿日期:  2015-01-30
  • 网络出版日期:  2016-01-20

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