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Tailwater effect on the energy dissipation through screens
Date
2008-09-17
Author
Bozkuş, Zafer
Metadata
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Previous studies have shown that screens may be utilized efficiently for dissipating the energy of water. For the present study, a series of experiments are executed to investigate the tailwater and multiple screen effects on the energy dissipation through screens. Water flowing beneath a sliding gate is used to simulate the flow downstream of a hydraulic structure. In the present study, one double screen and two double screen arrangements with porosity of 40% and inclination angle of 90 degree is used. A tailwater gate structure is used to adjust the tailwater depth. The major parameters for the present study are upstream flow depth, tailwater gate height, location of the screen together with the supercritical upstream flow Froude number for a range covering from 5.0 to 22.5. The gate opening simulating a hydraulic structure is adjusted at heights of 2 cm and 3 cm during the study. The results of the experiments show that the tailwater depth has no significant additional contribution on the energy dissipation, whereas multiple screen arrangement dissipates more energy as compared to one double screen arrangement.
Subject Keywords
Screen
,
Energy dissipation
,
Tailwater depth
,
Hydraulic jump
,
Supercritical flow
URI
https://hdl.handle.net/11511/87488
Conference Name
8th International Congress on Advances in Civil Engineering, 15-17 September 2008
Collections
Department of Civil Engineering, Conference / Seminar
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Screens may be utilized efficiently for dissipating energy of water. In this study, water flowing beneath a gate is used to simulate the flow downstream of a hydraulic structure and screens are used as an alternative tool for energy dissipation. Investigations are done conducting a series of experiments. The porosity, thickness, and the location of the screens are the major parameters together with the Froude number of the upstream flow. The experiments covered a range of Froude numbers between 5 and 18, po...
Experimental investigation of energy dissipation through screens
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Screens may be utilized efficiently for dissipating the energy of water. In this study, water flowing beneath a gate is used to simulate the flow downstream of a hydraulic structure and screens are used as an alternative mean for energy dissipation. Investigations are done conducting a series of experiments. The porosity, thickness, and the location of the screens are the major parameters together with the Froude number of the upstream flow. The scope of this thesis covers the situation where there is a pse...
Experimental investigation of tailwater effect on the energy dissipation through screens
Aslankara, Vedat; Bozkuş, Zafer; Department of Civil Engineering (2007)
Previous studies have shown that screens may be utilized efficiently for dissipating the energy of water. For the present study, a series of experimental works are executed to investigate the tailwater and multiple screen effects on the energy dissipation through screens. Water flowing beneath a sliding gate is used to simulate the flow downstream of a hydraulic structure. In the present study, one double screen and two double screen arrangements with porosity of 40% and inclination angle of 90 degree is us...
Energy dissipation by triangular screens
Bozkuş, Zafer; Ger, Ahmet Metin (null; 2006-10-13)
The main drive for the present study is to investigate experimentally the energy dissipation through triangular screens. Recent experimental studies have shown that screens placed in vertical and inclined configurations below small hydraulic structures may dissipate more energy than a hydraulic jump formed in conventional stilling basins. In the present study a series of laboratory experiments were performed in order to determine the effect of triangular screens on the energy dissipation. The location of th...
Energy dissipation by vertically placed screens
Bozkuş, Zafer; GER, A. Metin (Canadian Science Publishing, 2007-04-01)
Screens can be utilized efficiently for dissipating energy of water. In this study, water flowing beneath a gate is used to simulate the flow downstream of a small hydraulic structure, and vertically placed screens are used as an alternative tool for energy dissipation. Investigations are conducted using a series of experiments. The porosity, thickness, and location of the screens are the major parameters together with the Froude number of the upstream flow. The experiments cover a range of supercritical Fr...
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Z. Bozkuş, “Tailwater effect on the energy dissipation through screens,” presented at the 8th International Congress on Advances in Civil Engineering, 15-17 September 2008, Famagusta, North Cyprus, 2008, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/87488.