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Author:

李卓 (李卓.) | 俞坚 (俞坚.) | 马重芳 (马重芳.)

Indexed by:

CQVIP PKU CSCD

Abstract:

采用缝隙测压这种在通道上直接测量压力的方法,测量了内径从0.330 mm变化到0.580 mm的小通道内突然扩大和突然缩小的局部阻力特性.结果表明,缝隙测压方式是一种可行的压力测量方法;与常规通道的实验结果相比,在层流阶段,小通道内液体流动具有较小的突扩局部阻力系数以及较大的突缩局部阻力系数;而在湍流阶段,小通道内液体流动的突扩和突缩局阻系数与常规通道的实验结果相同.

Keyword:

阻力系数 小通道 缝隙测压 突缩 突扩

Author Community:

  • [ 1 ] [李卓]北京工业大学
  • [ 2 ] [俞坚]北京工业大学
  • [ 3 ] [马重芳]北京工业大学

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Source :

化工学报

ISSN: 0438-1157

Year: 2007

Issue: 5

Volume: 58

Page: 1127-1131

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 26

Chinese Cited Count:

30 Days PV: 0

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