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Coefficient Of Discharge For A Combined Hydraulic Measuring Device | ||
| Al-Rafidain Engineering Journal (AREJ) | ||
| Article 15, Volume 17, Issue 6, 2009, Pages 92-100 PDF (0 K) | ||
| DOI: 10.33899/rengj.2009.43616 | ||
| Authors | ||
| Amal A. G. Alniami; Dr. G. A. M. Hayawi; H. A. M. Hayawi | ||
| Abstract | ||
| The aim of this study is to investigate the coefficient of discharge for a combined hydraulic measuring device. For this purpose nine combined models were constructed and manufactured of an aluminum plates of 2 mm thick, the shapes of the models are of rectangular weir with different width ( )is used over a semi-circular gate of a constant diameter ( )the distance below the weir edge and the semi-circular gate y is changed three times( . The analysis of results show that increase as ( increase and for a constant value of ( increase as the width increase, the values of range from around 0.522 to 0.853 with an average of 0.695. Also decrease as the parameter ( ) ,( ) and ( ) increase and at a constant values of that parameters increase as increase, and the values of range from around 0.61 to 0.74. A multi regression model to estimate for the combined device is estimated with percentage of error . Keywords: combined orifice, combined weirs. | ||
| Keywords | ||
| KEYWORDS; combined weirs | ||
|
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