A Review of Investigations About Geometry Shape and Discharge Coefficient of Side Weirs

Authors

  • Mustafa Hussein Abed AL-Dulaimi Assistant Lecture, M.Sc, In Water Resources Engineering, Ministry of Education, Hilla, Babylon, Iraq Author
  • Weam Abdulwahhab Mohammed Assistant Lecturer, M.Sc, In Environmental Engineering Management and Technology, Ministry of Education, Babylon, Iraq Author
  • Zainab Abdul sattar Ghali Assistant Lecturer, M.Sc, In School buildings, Education of Babylon, Ministry of Education, Babil, Iraq Author

DOI:

https://doi.org/10.61841/x109vw97

Keywords:

side weirs, discharge coefficient, geometry shape, hydraulic structure, side weirs overview

Abstract

The side weir is a hydraulic structure constructed longitudinally on the side of the main channel and is mainly used to reduce the flood wave and irrigate the lands. This study provides an overview of the side weirs and investigations about the geometry shape and discharge coefficient of the side weirs. The discharge coefficient equations depend mainly on the Froude number. Some dimensionless variables are used to study the discharge coefficient in conjunction with the Froude number, such as the ratio of side weir height to the headwater on the crest and the opening side weir length to the crest width. On the other hand, the length of the crest is considered a determinant for the selection of the side weir, where the dams with a long crest, such as W-shaped, labyrinth, and piano key side weirs, allow the passage of discharge through them higher than rectangular side weirs by 1.5-7.5 times. 

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Published

31.07.2020

How to Cite

Hussein Abed AL-Dulaimi, M., Abdulwahhab Mohammed, W., & Abdul sattar Ghali, Z. (2020). A Review of Investigations About Geometry Shape and Discharge Coefficient of Side Weirs. International Journal of Psychosocial Rehabilitation, 24(5), 8552-8564. https://doi.org/10.61841/x109vw97