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Author:

姜建国 (姜建国.) | 苑中显 (苑中显.)

Indexed by:

CQVIP CSCD

Abstract:

从场协同理论出发,分析了通道内表面全部为射流冲击换热表面时的极限换热率;将全射流冲击管内换热与普通流动管内换热进行了比较.给出了层流和紊流工况下全射流冲击换热可能达到的最大强化比.针对相同Re,分析得出:在层流充分发展段,全射流冲击通道的强化极限是16.9倍;在紊流充分发展段是3.5倍.综合现有各种通道内强化换热的研究结果进行比较,其换热率均低于全射流冲击管内换热率,其中层流工况以折流翅片式通道和交叉缩放椭圆管的换热率与极限换热率最为接近;紊流工况以内插螺旋丝强化管最为接近.

Keyword:

射流冲击 管内换热 场协同

Author Community:

  • [ 1 ] [姜建国]北京工业大学
  • [ 2 ] [苑中显]北京工业大学

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Source :

热科学与技术

ISSN: 1671-8097

Year: 2006

Issue: 1

Volume: 5

Page: 7-12

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 2

Chinese Cited Count:

30 Days PV: 5

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