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Effecting of Channel Slope on Flow Characteristics for Straight Vertical and Skew Free overfall | ||
| Al-Rafidain Engineering Journal (AREJ) | ||
| Article 13, Volume 17, Issue 1, 2009, Pages 80-90 PDF (0 K) | ||
| DOI: 10.33899/rengj.2009.38694 | ||
| Author | ||
| Ahmed Y.Mohammed | ||
| Abstract | ||
| Abstract This paper presents an experimental study and analysis for effect of channel slope on straight vertical and skew free overfall for a rectangular channel with different slopes. The relationship between the critical depth and brink depth for both vertical and skew free overfall are found and shown to be influenced by channel slope. The measured discharge from standard weir was compared with calculated discharge from theoretical equation and found that the discharge over skewed model is greater by (21%) from straight vertical, and the error percentage for calculated and measured discharge not exceed (15% and 12%) for skewed and vertical models respectively for all slopes. The discharge coefficient for vertical model is greater by (25%) than skew, relationships between end and critical depths (he/hc) with channel slope for straight vertical and skew free overfall were calculated. | ||
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