Numerical simulation and experimental investigation for Deflecting Stilling Basin

Cheng Fei

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Numerical simulation and experimental investigation for Deflecting Stilling Basin

更新时间：2023-11-14

- Numerical simulation and experimental investigation for Deflecting Stilling Basin
- Advanced Engineering Sciences Vol. 43, Issue Z1, Pages: 12-17(2011)
- 作者机构：
  
  四川大学水力学国家重点实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011，
  
  Published Online：31 March 2011，
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程飞.微挑消力池的数值模拟与试验研究[J].工程科学与技术,2011,43(Z1):12-17.

Cheng Fei. Numerical simulation and experimental investigation for Deflecting Stilling Basin. [J]. Advanced Engineering Sciences 43(Z1):12-17(2011)
程飞.微挑消力池的数值模拟与试验研究[J].工程科学与技术,2011,43(Z1):12-17. DOI：

Cheng Fei. Numerical simulation and experimental investigation for Deflecting Stilling Basin. [J]. Advanced Engineering Sciences 43(Z1):12-17(2011) DOI：

摘要

中文摘要: 针对“微挑消力池”，本文通过水工模型试验和三维RNG k－ε紊流模型数值模拟研究了此体型消力池的水力特性，计算结果显示其水流特性、水面线特征、流速及压力分布与模型试验结果吻合，同时揭示了微挑消力池不同于常规反弧平底消力池的特性；模拟计算与模型试验结果均表明，与常规反弧平底消力池相比，微挑消力池可以造成自入池段水流较强的紊动，降低临底流速，减小消力池底板冲磨破坏的可能。

Abstract

Abstract:Numerical simulation and experimental tests were conducted to study a new type of stilling basin–deflecting stilling basin (DSB). The simulation by using a 3D RNG k－ε turbulence model showed a good agreement with the test data in flow pattern

free surface elevation

velocity and pressure distributions. Results of calculation and experiment revealed the difference of DSB from a conventional stilling basin (CSB). With the turbulence increased and the velocity on the slab reduced

the hydraulic performances and energy dissipation efficiency of DSB were significantly improved over the conventional design.

关键词

微挑消力池水力特性数值模拟紊动消能

Keywords

deflecting stilling basinhydraulic performancesnumerical simulationturbulenceEnergy dissipation

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