Proceedings of the 2023 9th International Conference on Architectural, Civil and Hydraulic Engineering (ICACHE 2023)

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Analysis of hydraulic characteristics of double-layer inlet

Authors
Jiyang Sun1, Bin Wu2, Mengzhen Zhang1, Ming Chen2, Qingsheng Chen1, *
1College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing, China
2East China Hydropower Survey and Design Institute of China Electric Power Construction, Hangzhou, China
*Corresponding author. Email: qschen-dragon@163.com
Corresponding Author
Qingsheng Chen
Available Online 30 December 2023.
DOI
10.2991/978-94-6463-336-8_62How to use a DOI?
Keywords
double-layer discharge; inlet; diversion tunnel; hydraulic characteristics
Abstract

Based on the relevant design parameters of the storage power station diversion tunnel, a numerical simulation study was conducted using the VOF hydrodynamic model to investigate the arrangement of the double-layer inlet, relative pressure and head loss coefficient. By varying the ratio of the horizontal tunnel area to the vertical shaft inlet area, an analysis of the double-layer inlet diversion tunnel was performed in terms of relative flow rates, flow Froude numbers, The research results indicate that during the discharge of the double-layer inlet, the flow is mainly controlled by the discharge from the vertical shaft and is influenced by the downstream flood discharge tunnel section. Changes in the area ratio have a relatively small impact on the flow distribution of the double-layer inlet and have no effect on the velocity distribution and pressure.

Copyright
© 2023 The Author(s)
Open Access
Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

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Volume Title
Proceedings of the 2023 9th International Conference on Architectural, Civil and Hydraulic Engineering (ICACHE 2023)
Series
Advances in Engineering Research
Publication Date
30 December 2023
ISBN
978-94-6463-336-8
ISSN
2352-5401
DOI
10.2991/978-94-6463-336-8_62How to use a DOI?
Copyright
© 2023 The Author(s)
Open Access
Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

Cite this article

risenwbib
TY  - CONF
AU  - Jiyang Sun
AU  - Bin Wu
AU  - Mengzhen Zhang
AU  - Ming Chen
AU  - Qingsheng Chen
PY  - 2023
DA  - 2023/12/30
TI  - Analysis of hydraulic characteristics of double-layer inlet
BT  - Proceedings of the 2023 9th International Conference on Architectural, Civil and Hydraulic Engineering (ICACHE 2023)
PB  - Atlantis Press
SP  - 531
EP  - 538
SN  - 2352-5401
UR  - https://doi.org/10.2991/978-94-6463-336-8_62
DO  - 10.2991/978-94-6463-336-8_62
ID  - Sun2023
ER  -