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Paper
Title

Numerical Detection of Cavitation Damage on Dam Spillway

Year: 1395
COI: JR_CEJ-2-9_006
Language: EnglishView: 208
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Authors

E. Fadaei-Kermani - Department of Civil Engineering, Faculty of Engineering, Shahid Bahonar University of Kerman, Kerman, Iran.
G. A. Barani - Department of Civil Engineering, Faculty of Engineering, Shahid Bahonar University of Kerman, Kerman, Iran.
M. Ghaeini-Hessaroeyeh - Department of Civil Engineering, Faculty of Engineering, Shahid Bahonar University of Kerman, Kerman, Iran.

Abstract:

The present paper deals with the numerical detection of cavitation damage level and location on dam spillways. At first, flow over a spillway was simulated using the computational fluid dynamics method. The flow characteristics such as pressure, velocity and depth through the spillway have been calculated for five different flow rates. Since the actual flow is turbulent, the RNG turbulence model has been used for simulation. The numerical results of flow characteristics including flow depth, velocity and pressure were compared with the available results of the hydraulic model tests. The numerical results agreed well with the experimental data, and reasonable values for the normalized root mean square error (NRMSE= 0.0476) and coefficient of determination (r2=0.8354) indicated that the numerical model is accurate. Finally occurrence of cavitation damage to the Doosti dam spillway was investigated. Based on cavitation index, five different damage levels from no damage to major damage have been considered. Results showed that the spillway may be at the risk of cavitation damage, and the serious damage can occur at ending parts of the structure

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Paper COI Code

This Paper COI Code is JR_CEJ-2-9_006. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/630136/

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If you want to refer to this Paper in your research work, you can simply use the following phrase in the resources section:
Fadaei-Kermani, E. and Barani, G. A. and Ghaeini-Hessaroeyeh, M.,1395,Numerical Detection of Cavitation Damage on Dam Spillway,https://civilica.com/doc/630136

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Type of center: دانشگاه دولتی
Paper count: 16,894
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