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author:

张挺 (张挺.) [1] | 麦栋玲 (麦栋玲.) [2]

Indexed by:

CQVIP PKU CSCD

Abstract:

采用k-ε双方程紊流模型,对高扩散低收缩差动式挑坎空中挑射水舌进行了三维数值模拟,给出了扩散高坎空中挑射水舌的扩散规律、流速分布等结果,并与连续式挑坎空中挑射水舌运动特性进行对比分析,二者趋势吻合很好.结果表明:扩散高坎水舌沿程空中垂向扩散规律满足线性分布,其扩散厚度比连续式挑坎小;扩散高坎水舌截面速度分布规律与连续式挑坎相似,均近似符合正态分布,但速度沿水深方向较连续式分布更均匀.

Keyword:

差动坎 挑射水流 空中扩散 紊流模型

Community:

  • [ 1 ] 福州大学土木工程学院,福建福州350002

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Source :

福州大学学报:自然科学版

ISSN: 1000-2243

CN: 35-1337/N

Year: 2008

Issue: 3

Volume: 36

Page: 450-454

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count: -1

30 Days PV: 1

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