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Numerical and Physical Model Analysis Comparison for Velocity of Water at Spillway

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ICDSME 2019 (ICDSME 2019)

Part of the book series: Water Resources Development and Management ((WRDM))

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Abstract

High velocity may affect the structure integrity due to long exposure. Thus, this study was done to assess velocity specifically at energy dissipater and stilling basin of Chenderoh Dam spillway by numerical and physical model analysis. A 3D model drawing of 1:20 scaled had be drawn to be analysed and as a reference for physical model development. Numerical model had been analysed based on the fundamental of computational fluid dynamic (CFD). Physical model of the spillway has been developed to verify the accuracy of numerical model analysis. The result shows that both of the difference percentage at energy dissipater and stilling basin for velocity are less than 10% which are 4.3135% and 4.1879% respectively. Therefore, the numerical and physical model result for 1:20 scale model can be used to validate this dam numerical simulation result up to 95% precision.

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Acknowledgement

This research project was funded under the TNB Consultancy grant (U-TG- CR-18-04).

Author information

Authors and Affiliations

  1. Sultan Mahmud Hydropower Station, Tenaga Nasional Berhad, Kuala Berang, Malaysia

    S. A. A. Zaki

  2. Uniten R&D Sdn Bhd, Universiti Tenaga Nasional, Kajang, Malaysia

    N. H. Hassan & M. H. Zawawi

  3. School of Mechanical Engineering, Universiti Sains Malaysia, Parit Buntar, Malaysia

    M. A. Abas & A. Z. A. Mazlan

  4. School of Civil Engineering, Universiti Sains Malaysia, Parit Buntar, Malaysia

    M. R. R. M. A. Zainol

  5. Generation Division, Tenaga Nasional Berhad, Kuala Lumpur, Malaysia

    M. R. M. Radzi

Authors
  1. S. A. A. Zaki
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  2. N. H. Hassan
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  3. M. H. Zawawi
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  4. M. A. Abas
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  5. A. Z. A. Mazlan
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  6. M. R. R. M. A. Zainol
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  7. M. R. M. Radzi
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Correspondence to N. H. Hassan .

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Editors and Affiliations

  1. Institute of Energy Infrastructure (IEI), Universiti Tenaga Nasional (UNITEN), Kajang, Selangor, Malaysia

    Lariyah Mohd Sidek

  2. Institute of Energy Infrastructure (IEI), Universiti Tenaga Nasional (UNITEN), Kajang, Selangor, Malaysia

    Gasim Hayder Ahmed Salih

  3. TNB Research Sdn. Bhd., Kajang, Selangor, Malaysia

    Mohd Hariffin Boosroh

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Zaki, S.A.A. et al. (2020). Numerical and Physical Model Analysis Comparison for Velocity of Water at Spillway. In: Mohd Sidek, L., Salih, G., Boosroh, M. (eds) ICDSME 2019. ICDSME 2019. Water Resources Development and Management. Springer, Singapore. https://doi.org/10.1007/978-981-15-1971-0_41

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