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Author:

杨瑞波 (杨瑞波.) | 夏国栋 (夏国栋.) (Scholars:夏国栋) | 柴磊 (柴磊.)

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CQVIP PKU CSCD

Abstract:

以去离子水为工质,对受限浸没射流阵列冲击矩形针肋热沉的传热特性进行了实验研究.讨论了热沉几何参数和射流雷诺数对传热特性的影响规律.结果表明:针肋高度直接影响换热能力,但并非越高越好;热沉传热特性受针肋宽度与肋间距影响较大,Nu在0.625≤W/G≤1.000内呈塔型分布;Nu在2.5≤H/d≤10.0之间不断下降;S/d在3.00~4.50之间,Nu随S/d的增大单调递增,但RP增大到4000后,换热性能与S/d基本无关;S/d在4.50~7.00之间,Nu随S/d的增大单调递减;热沉的热阻随泵功的增大而降低,但变化渐趋平缓.

Keyword:

强化传热 对流热阻 受限射流 肋化表面 射流阵列

Author Community:

  • [ 1 ] [杨瑞波]北京工业大学
  • [ 2 ] [夏国栋]北京工业大学
  • [ 3 ] [柴磊]北京工业大学

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Source :

航空动力学报

ISSN: 1000-8055

Year: 2010

Issue: 12

Volume: 25

Page: 2795-2801

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 3

Chinese Cited Count:

30 Days PV: 8

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