Paper Information

Journal:   JOURNAL OF AGRICULTURAL ENGINEERING RESEARCH   Summer 2003 , Volume 4 , Number 15; Page(s) 21 To 32.
 
Paper: 

BED LENGTHE EFFECT OF REED ON WAVE POTENTIAL DAMPING IN RIVER BANK

 
 
Author(s):  MASJEDI ALI REZA, MOUSAVI JAHROMI H.
 
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Abstract: 
Biological methods are applied to protect river banks against waves. There are several biological plants grown nearby banks naturally and artificially that reed is the most common. Plants can damp the wave energy and as a result, they stabilize the river banks and slopes. In the present paper based on the experimental studies and dimensional analysis, a parametric model is derived for the wave damping by reed and transmission. To evaluate parameters of the developed model, an experimental study has been carried out. A flume with 8 meters length, 50 cm width and the height of 80 cm was constructed at the Hydraulic Laboratory of Shahid Chamran University (SCU), Iran. Along the flume, a suitable small area was considered for the plant with different populations. More than 80 experiments were conducted and in each experiment waves with 1m, 1.5m, 2m, 3m and 3.5m wave length were produced by and appropriate means. Based on results of the dimensional analysis and the experimental study a model is presented model is in a very good agreement with observed data. This study shows that when the bed length of the biological (reed) protection is increase the transmission coefficient will decrease nonlinealy.
 
Keyword(s): WATERWAYS, WAVE DAMPING. BANK PROTECTION, REED, BED LENGTH
 
References: 
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