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Paper Information

Journal:   WATER ENGINEERING   FALL 2013 , Volume 6 , Number 18; Page(s) 75 To 86.
 
Paper: 

EFFECTS OF FOUNDATION INVERT ELEVATION ON THE ENERGY LOSS IN THE SUBMERGED HYDRAULIC JUMP OVER AN INFLATED DAM

 
 
Author(s):  ZARE H., SARVI SHOREJEH GH., BINA M.
 
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Abstract: 

Installation of inflatable dams where previously small concrete dams used to be constructed is among the environmental solutions adhered to in recent years. An inflatable dam is a thick synthetic tube, which is usually installed across a river, and confronts the flow by being filled or emptied with air or water, to an arbitrary height. Inflatable dams may contain a deflector or lack it. As the foundation invert elevation affects the dam’s performance, it may be placed at different elevations relative to the streambed. A stilling basin is formed when the invert is lower than the streambed; otherwise, the invert basin, maybe flush with the streambed. Hydraulic parameters such as the flow rate, the depth of water on the upstream and the downstream of a dam, and the depth before and after hydraulic jump were measured and the flow energy loss over the dam was computed. A decreasing trend in the relative energy loss with an increase in the drop number was observed.

 
Keyword(s): INFLATABLE DAM, DEFLECTOR, ENERGY DISSIPATION, FOUNDATION INVERT ELEVATION, CUSHION
 
References: 
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