9783659327872 - Hydraulic Performance of Flow Over Compound Crested Weir Models: Concept and Application in Open Channel Flow von Mujahid Muhammad, Muhammad (8 Ergebnisse)

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Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -In this book, the overflow characteristics of Compound crested weir models were investigated experimentally using a laboratory flume. The crests of these weir models consist of two parts; the upstream part has a quarter round shape while the downstream part has standard sharp crested weir shape. Series of experiments were conducted by measuring discharges and water heads over the weir models for different weir crest radii of R = 2.5cm, 3.5cm, 4.5cm and angles of weir inclination = 30, 45, 60 and 90° respectively to the direction of flow with a constant weir height P = 15 cm. It was observed that increase in the ratio of water head over the crest (h) to weir height (P) resulted in the corresponding increase in the discharge coefficient for all the weir models. The hydraulic performance for each of the weirs was determined in terms of the flow magnification factor. Hence, the model with R = 2.5 cm and = 30 was selected as the best model because it had the highest discharge coefficient and flow magnification factor of 1.326 and 1.555 respectively. Also, mathematical models were developed for predicting the discharge coefficient, based on the experimental data obtained. 72 pp. Englisch.

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Zustand: New. PRINT ON DEMAND pp. 72.

Zustand: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Mujahid Muhammad MuhammadEngr. Muhammad Mujahid Muhammad, B. Eng., M.Sc.: Studied Water Resources & Environmental Engineering at Ahmadu Bello University, Zaria-Nigeria. He is currently a lecturer as well as pursuing his PhD in thesam.

Taschenbuch. Zustand: Neu. This item is printed on demand - Print on Demand Titel. Neuware -In this book, the overflow characteristics of Compound crested weir models were investigated experimentally using a laboratory flume. The crests of these weir models consist of two parts; the upstream part has a quarter round shape while the downstream part has standard sharp crested weir shape. Series of experiments were conducted by measuring discharges and water heads over the weir models for different weir crest radii of R = 2.5cm, 3.5cm, 4.5cm and angles of weir inclination ¿ = 30, 45, 60 and 90° respectively to the direction of flow with a constant weir height P = 15 cm. It was observed that increase in the ratio of water head over the crest (h) to weir height (P) resulted in the corresponding increase in the discharge coefficient for all the weir models. The hydraulic performance for each of the weirs was determined in terms of the flow magnification factor. Hence, the model with R = 2.5 cm and ¿ = 30 was selected as the best model because it had the highest discharge coefficient and flow magnification factor of 1.326 and 1.555 respectively. Also, mathematical models were developed for predicting the discharge coefficient, based on the experimental data obtained.VDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 72 pp. Englisch.

Taschenbuch. Zustand: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - In this book, the overflow characteristics of Compound crested weir models were investigated experimentally using a laboratory flume. The crests of these weir models consist of two parts; the upstream part has a quarter round shape while the downstream part has standard sharp crested weir shape. Series of experiments were conducted by measuring discharges and water heads over the weir models for different weir crest radii of R = 2.5cm, 3.5cm, 4.5cm and angles of weir inclination = 30, 45, 60 and 90° respectively to the direction of flow with a constant weir height P = 15 cm. It was observed that increase in the ratio of water head over the crest (h) to weir height (P) resulted in the corresponding increase in the discharge coefficient for all the weir models. The hydraulic performance for each of the weirs was determined in terms of the flow magnification factor. Hence, the model with R = 2.5 cm and = 30 was selected as the best model because it had the highest discharge coefficient and flow magnification factor of 1.326 and 1.555 respectively. Also, mathematical models were developed for predicting the discharge coefficient, based on the experimental data obtained.